Physics 1653 Chapter 6,7,8,13 Review Exam 2

Size: px
Start display at page:

Download "Physics 1653 Chapter 6,7,8,13 Review Exam 2"

Transcription

1 Physics 1653 Chapter 6,7,8,13 Review Exam 2 CHAPTER 6 2. A rock is dropped from a high tower and falls freely under the influence of gravity. Which one of the following statements is true concerning the rock as it falls? (a) It will gain an equal amount of momentum during each second. (b) It will gain an equal amount of kinetic energy during each second. (c) It will gain an equal amount of speed for each meter through which it falls. (d) It will gain an equal amount of momentum for each meter through which it falls. (e) The amount of momentum it gains will be proportional to the amount of potential energy that it loses A stunt person jumps from the roof of a tall building, but no injury occurs because the person lands on a large, air-filled bag. Which one of the following best describes why no injury occurs? (a) The bag provides the necessary force to stop the person. (b) The bag reduces the impulse to the person. (c) The bag increases the amount of time the force acts on the person and reduces the change in momentum. (d) The bag decreases the amount of time during which the momentum is changing and reduces the average force on the person. (e) The bag increases the amount of time during which the momentum is changing and reduces the average force on the person. Review Exam

2 5. A 1.0-kg ball has a velocity of 12 m/s downward just before it strikes the ground and bounces up with a velocity of 12 m/s upward. What is the change in momentum of the ball? (a) zero kg m/s (c) 12 kg m/s, upward (e) 24 kg m/s, upward (b) 12 kg m/s, downward (d) 24 kg m/s, downward 9. A kg tennis ball moving to the right with a speed of 15 m/s is struck by a tennis racket, causing it to move to the left with a speed of 15 m/s. If the ball remains in contact with the racquet for s, what is the magnitude of the average force experienced by the ball? (a) zero newtons (c) 160 N (e) N (b) 98 N (d) N 12. While a car is stopped at a traffic light in a storm, raindrops strike the roof of the car. The area of he roof is 5.0 m 2. Each raindrop has a mass of kg and speed of 2.5 m/s before impact and is at rest after the impact. If, on average at a given time, 150 raindrops strike each square meter, what is the impulse of the rain striking the car? (a) 0.69 N s (c) 0.14 N s (e) 21 N s (b) N s (d) 11 N s Review Exam

3 15. A football player kicks a 0.41-kg football initially at rest; and the ball flies through the air. If the kicker s foot was in contact with the ball for s and the ball s initial speed after the collision is 21 m/s, what was the magnitude of the average force on the football? (a) 9.7 N (c) 81 N (e) 210 N (b) 46 N (d) 170 N Review Exam

4 Questions 16 and 17 pertain to the situation described below: A 4.0-kg block slides along a frictionless surface with a constant speed of 5.0 m/s. Two seconds after it begins sliding, a horizontal, time-dependent force is applied to the mass. The force is removed eight seconds later. The graph shows how the force on the block varies with time. 16. What is the magnitude of the total impulse of the force acting on the block? (a) 20 N s (c) 48 N s (e) 60 N s (b) 42 N s (d) 54 N s 17. What, approximately, is the speed of the block at t = 11 seconds? (a) 5.0 m/s (c) 25 m/s (e) 75 m/s (b) 16 m/s (d) 65 m/s 21. A 50-kg toboggan is coasting on level snow. As it passes beneath a bridge, a 20-kg parcel is dropped straight down and lands in the toboggan. If (KE) 1 is the original kinetic energy of the toboggan and (KE) 2 is the kinetic energy after the parcel has been added, what is the ratio (KE) 2 /(KE) 1. (a) 0.4 (c) 0.7 (e) 1 (b) 0.6 (d) 0.8 Review Exam

5 Ans. c. 25. An 80-kg astronaut carrying a 20-kg tool kit is initially drifting toward a stationary space shuttle at a speed of 2 m/s. If she throws the tool kit toward the shuttle with a speed of 6 m/s as seen from the shuttle, her final speed is (a) 1 m/s toward the shuttle. (d) 4 m/s toward the shuttle. (b) 1 m/s away from the shuttle. (e) 6 m/s away from the shuttle. (c) 2 m/s toward the shuttle. 28. Two objects of equal mass traveling toward each other with equal speeds undergo a head on collision. Which one of the following statements concerning their velocities after the collision is necessarily true? (a) They will exchange velocities. (d) Their velocities will be zero. (b) Their velocities will be reduced. (e) Their velocities may be zero. (c) Their velocities will be unchanged. Review Exam

6 31. Complete the following statement: Momentum will be conserved in a two-body collision only if (a) both bodies come to rest. (b) the collision is perfectly elastic. (c) the kinetic energy of the system is conserved. (d) the net external force acting on the two-body system is zero. (e) the internal forces of the two body system cancel in action-reaction pairs. 39. A 50.0-kg boy runs at a speed of 10.0 m/s and jumps onto a cart as shown in the figure. The cart is initially at rest. If the speed of the cart with the boy on it is 2.50 m/s, what is the mass of the cart? (a) 150 kg (c) 210 kg (e) 300 kg (b) 175 kg (d) 260 kg Review Exam

7 42. A 35-kg girl is standing near and to the left of a 43-kg boy on the frictionless surface of a frozen pond. The boy tosses a 0.75-kg ice ball to the girl with a horizontal speed of 6.2 m/s. What are the velocities of the boy and the girl immediately after the girl catches the ice ball? girl boy (a) 0.81 m/s, left 0.67 m/s, right (b) 0.17 m/s, left 0.14 m/s, left (c) 0.18 m/s, right 0.13 m/s, left (d) 0.42 m/s, left 0.49 m/s, right (e) 0.13 m/s, left 0.11 m/s, right 50. In the game of billiards, all the balls have approximately the same mass, about 0.17 kg. In the figure, the cue ball strikes another ball such that it follows the path shown. The other ball has a speed of 1.5 m/s immediately after the collision. What is the speed of the cue ball after the collision? (a) 1.5 m/s (c) 2.6 m/s (e) 5.2 m/s (b) 1.8 m/s (d) 4.3 m/s 64. A 100-kg fisherman and a 500-kg supply crate are on a frozen pond that is essentially frictionless. The man and the crate are initially separated by a distance of 600 meters. The fisherman uses a very light rope to pull the crate closer to him. How far has the man moved when the crate reaches the fisherman? (a) zero meters (c) 50 m (e) 500 m (b) 10 m (d) 100 m Review Exam

8 Chapter 7 2. The second hand on a watch has a length of 4.50 mm and makes one revolution in s. What is the speed of the end of the second hand as it moves in uniform circular motion? (a) m/s (c) m/s (e) m/s (b) m/s (d) m/s 3. Approximately one billion years ago, the Moon orbited the Earth much closer than it does today. The radius of the orbit was only km. Today, the radius is km. The orbital period was only s. The present period is s. Assume that the orbit of the Moon is circular. Calculate the ratio of the speed of the Moon in its ancient orbit to the speed that it has today. (a) 15.8 (c) 10.2 (e) 6.39 (b) 12.8 (d) A ball is whirled on the end of a string in a horizontal circle of radius R at constant speed v. The centripetal acceleration of the ball can be increased by a factor of 4 by (a) keeping the speed fixed and increasing the radius by a factor of 4. (b) keeping the radius fixed and increasing the speed by a factor of 4. (c) keeping the radius fixed and increasing the period by a factor of 4. (d) keeping the radius fixed and decreasing the period by a factor of 4. (e) keeping the speed fixed and decreasing the radius by a factor of A car traveling at 20 m/s rounds a curve so that its centripetal acceleration is 5 m/s2. What is the radius of the curve? (a) 4 m (c) 80 m (e) 640 m (b) 8 m (d) 160 m Review Exam

9 8. A satellite is placed in a circular orbit to observe the surface of Mars from an altitude of 144 km. The equatorial radius of Mars is 3397 km. If the speed of the satellite is 3480 m/s, what is the magnitude of the centripetal acceleration of the satellite? (a) 2.17 m/s 2 (c) 2.99 m/s 2 (e) 4.05 m/s 2 (b) 2.60 m/s 2 (d) 3.42 m/s A boy is whirling a stone around his head by means of a string. The string makes one complete revolution every second, and the tension in the string is FT. The boy then speeds up the stone, keeping the radius of the circle unchanged, so that the string makes two complete revolutions every second. What happens to the tension in the sting? (a) The tension is unchanged. (b) The tension reduces to half of its original value. (c) The tension increases to twice its original value. (d) The tension increases to four times its original value. (e) The tension reduces to one-fourth of its original value. 14. Sara puts a box into the trunk of her car. Later, she drives around an unbanked curve that has a radius of 48 m. The speed of the car on the curve is 16 m/s, but the box remains stationary relative to the floor of the trunk. Determine the minimum coefficient of static friction for the box on the floor of the trunk. (a) 0.42 (d) 0.33 (b) 0.54 (e) This cannot be determined without knowing the mass of (c) 0.17 the box. 15. In an amusement park ride, a small child stands against the wall of a cylindrical room that is then made to rotate. The floor drops downward and the child remains pinned against the wall. If the radius of the device is 2.15 m and the relevant coefficient of friction between the child and the wall is 0.400, with what minimum speed is the child moving if he is to remain pinned against the wall? (a) 7.26 m/s (c) 12.1 m/s (e) 9.80 m/s (b) 3.93 m/s (d) 5.18 m/s Review Exam

10 18. The maximum speed at which a car can safely negotiate an unbanked curve depends on all of the following factors except (a) the diameter of the curve. (b) the acceleration due to gravity. (c) the coefficient of static friction between the road and the tires. (d) the coefficient of kinetic friction between the road and the tires. (e) the ratio of the static frictional force between the road and the tires and the normal force exerted on the car. 20. Determine the minimum angle at which a roadbed should be banked so that a car traveling at 20.0 m/s can safely negotiate the curve if the radius of the curve is m. (a) (c) 11.5 (e) 78.2 (b) (d) 19.6 Questions 23 through 25 pertain to the statement below: A 1000-kg car travels along a straight 500-m portion of highway (from A to B) at a constant speed of 10 m/s. At B, the car encounters an unbanked curve of radius 50 m. The car follows the road from B to C traveling at a constant speed of 10 m/s while the direction of the car changes from east to south. 23. What is the magnitude of the acceleration of the car as it travels from A to B? (a) 2 m/s 2 (c) 10 m/s 2 (e) zero m/s 2 (b) 5 m/s 2 (d) 20 m/s What is the magnitude of the acceleration of the car as it travels from B to C? (a) 2 m/s 2 (c) 10 m/s 2 (e) zero m/s 2 (b) 5 m/s 2 (d) 20 m/s What is the magnitude of the frictional force between the tires and the road as the car negotiates the curve from B to C? (a) N (c) 5000 N (e) 1000 N (b) N (d) 2000 N Review Exam

11 26. The earth exerts the necessary centripetal force on an orbiting satellite to keep it moving in a circle at constant speed. Which statement best explains why the speed of the satellite does not change although there is a net force exerted on it? (a) The satellite is in equilibrium. (b) The acceleration of the satellite is zero m/s 2. (c) The centripetal force has magnitude mv 2 /r. (d) The centripetal force is canceled by the reaction force. (e) The centripetal force is always perpendicular to the velocity. 30. A satellite is placed in equatorial orbit above Mars, which has a radius of 3397 km and a mass MM = kg. The mission of the satellite is to observe the Martian climate from an altitude of 488 km. What is the orbital period of the satellite? (a) s (c) s (e) s (b) s d) s 45. A 25-kg box is sliding down an ice-covered hill. When it reaches point A, the box is moving at 11 m/s. Point A is at the bottom of a circular arc that has a radius R = 7.5 m. What is the magnitude of the normal force on the box at Point A? (a) 250 N (d) 650 N (b) 280 N (e) 900 N (c) 400 N Review Exam

12 Questions 49 through 52 pertain to the situation described below: A 1500-kg car travels at a constant speed of 22 m/s around a circular track that has a radius of 85 m. 49. Which statement is true concerning this car? (a) The velocity of the car is changing. (b) The car is characterized by constant velocity. (c) The car is characterized by constant acceleration. (d) The car has a velocity vector that points along the radius of the circle. (e) The car has an acceleration vector that is tangent to the circle at all times. 50. What is the magnitude of the acceleration of the car? (a) 5.7 m/s 2 (c) 9.8 m/s 2 (e) zero m/s 2 (b) 0.26 m/s 2 (d) 1.2 m/s What is the average velocity of the car during one revolution? (a) 8.0 m/s (c) 26 m/s (e) zero m/s (b) 12 m/s (d) 44 m/s 52. Determine the magnitude of the net force that acts on the car. (a) 390 N (c) N (e) zero newtons (b) 1800 N (d) N 53. Jupiter has a mass that is roughly 320 times that of the Earth and a radius equal to 11 times that of the Earth. What is the acceleration due to gravity on the surface of Jupiter? (a) 2.7 m/s 2 (c) 26 m/s 2 (e) 260 m/s 2 (b) 9.8 m/s 2 (d) 87 m/s 2 Review Exam

13 Chapter 8 Review 2. A wrench is used to tighten a nut as shown in the figure. A 12-N force is applied 7.0 cm from the axis of rotation. What is the torque due to the applied force? (a) 0.58 N m (b) 0.84 N m (c) 1.71 N m (d) 14 N m (e) 58 N m 3. A string is tied to a doorknob 0.79 m from the hinge as shown in the figure. At the instant shown, the force applied to the string is 5.0 N. What is the torque on the door? (a) 3.3 N m (b) 2.2 N m (c) 1.1 N m (d) 0.84 N m (e) 0.40 N m Review Exam

14 6. A horizontal, 10-m plank weighs 100 N. It rests on two supports that are placed 1.0 m from each end as shown in the figure. How close to one end can an 800-N person stand without causing the plank to tip? (a) 0 m (d) 0.6 m (b) 0.2 m (e) 0.8 m (c) 0.5 m 8. One end of a rope is tied to the handle of a horizontally-oriented and uniform door. A force F is applied to the other end of the rope as shown in the drawing. The door has a weight of 145 N and is hinged on the right. What is the maximum magnitude of F at which the door will remain at rest? (a) 145 N (d) 424 N (b) 265 N (e) 530 N (c) 381 N Review Exam

15 In the drawing shown, the large wheel has a radius of 8.5 m. A rope is wrapped around the edge of the wheel and a 7.6 kg-box hangs from the rope. A smaller disk of radius 1.9 m is attached to the wheel. A rope is wrapped around the edge of the disk as shown. An axis of rotation passes through the center of the wheel-disk system. What is the value of the mass M that will prevent the wheel from rotating? (a) 1.7 kg (d) 34 kg (b) 3.8 kg (e) 46 kg (c) 12 kg 14. Consider four point masses located as shown in the sketch. The acceleration due to gravity is the same everywhere. What is the x coordinate of the center of gravity for this system? (a) 2.0 m (c) 3.0 m (e) 3.8 m (b) 2.7 m (d) 3.3 m Review Exam

16 17. Consider the following four objects: a hoop; a solid sphere; a flat disk; a hollow sphere Each of the objects has mass M and radius R. The axis of rotation passes through the center of each object, and is perpendicular to the plane of the hoop and the plane of the flat disk. Which object requires the largest torque to give it the same angular acceleration? (a) the hoop (d) the hollow sphere (b) the flat disk (e) both the solid and the hollow spheres (c) the solid sphere 20. A massless frame in the shape of a square with 2-m sides has a 1-kg ball at each corner. What is the moment of inertia of the four balls about an axis through the corner marked O and perpendicular to the plane of the paper? (a) 4 kg m 2 (b) 8 kg m 2 (c) 10 kg m 2 (d) 12 kg m 2 (e) 16 kg m 2 Review Exam

17 22. The drawing shows the top view of a door that is 2 m wide. Two forces are applied to the door as indicated. What is the magnitude of the net torque on the door with respect to the hinge? (a) 0 N m (c) 8.7 N m (e) 26.0 N m (b) 5.0 N m (d) 10.0 N m 26. Three children are pulling on a rotatable platform on a playground. The platform has a radius of 3.65 m. In the picture, two children are pulling with equal forces of 40.0 N in an attempt to make the platform rotate clockwise. The third child applies a force of 60 N as shown. What is the net torque on the platform? Note: ccw is counterclockwise and cw is clockwise. (a) 73 N m, ccw (c) 511 N m, ccw (e) 0 N m (b) 73 N m, cw (d) 511 N m, cw Review Exam

18 28. A 45-N brick is suspended by a light string from a 2.0-kg pulley. The brick is released from rest and falls to the floor below as the pulley rotates through 5.0 rad. The pulley may be considered a solid disk of radius 1.5 m. What is the angular speed of the pulley? (a) 7.3 rad/s (d) 15 rad/s (b) 8.1 rad/s (e) 17 rad/s (c) 9.4 rad/s 31. Consider the following three objects, each of the same mass and radius: (1) a solid sphere (2) a solid disk (3) a hoop All three are released from rest at the top of an inclined plane. The three objects proceed down the incline undergoing rolling motion without slipping. In which order do the objects reach the bottom of the incline? (a) 1, 2, 3 (c) 3, 1, 2 (e) All three reach the bottom (b) 2, 3, 1 (d) 3, 2, 1 at the same time. 34. A 2.0-kg solid cylinder of radius 0.5 m rotates at a rate of 40 rad/s about its cylindrical axis. What power is required to bring the cylinder to rest in 10 s? (a) 20 W (c) 160 W (e) 400 W (b) 40 W (d) 200 W Review Exam

19 38. A ceiling fan has five blades, each with a mass of 0.34 kg and a length of 0.66 m. The fan is operating in its low setting at which the angular speed is 9.4 rad/s. If the blades can be approximated as uniform thin rods that rotate about one end, what is the total rotational kinetic energy of the five blades? (a) 35 J (c) 23 J (e) 11 J (b) 29 J (d) 17 J 41. What happens when a spinning ice skater draws in her outstretched arms? (a) Her angular momentum decreases. (b) Her angular momentum increases. (c) Her moment of inertia decreases causing her to speed up. (d) Her moment of inertia decreases causing her to slow down. (e) The torque that she exerts increases her moment of inertia. 44. A 1500-kg satellite orbits a planet in a circular orbit of radius m. What is the angular momentum of the satellite in its orbit around the planet if the satellite completes one orbit every s? (a) kg m 2 /s (c) kg m 2 /s (e) kg m 2 /s (b) kg m 2 /s (d) kg m 2 /s Review Exam

20 50. A 3.0-kg ball moves in a straight line at 10 m/s as shown in the figure. At the instant shown, what is its angular momentum about the point P? (a) 30 kg m 2 /s (b) 90 kg m 2 /s (c) 120 kg m 2 /s (d) 150 kg m 2 /s (e) zero kg m 2 /s Chapter 13 Review 4. The speed of sound in a certain metal block is 3.00 x 10 3 m/s. The graph shows the amplitude (in meters) of a wave traveling through the block versus time (in milliseconds). What is the wavelength of this wave? (a) 0.5 m (d) 4.0 m (b) 1.5 m (e) 6.0 m (c) 3.0 m 7. What is the wavelength of a wave with a speed of 12 m/s and a period of 0.25 s? (a) 0.25 m (c) 3.0 m (e) 48 m (b) 1.5 m (d) 24 m Review Exam

21 7. Questions 9 through 12 pertain to the situation described below: The displacement of a vibrating string versus position along the string is shown in the figure. The periodic waves have a speed of 10.0 cm/s. A and B are two points on the string. 9. What is the amplitude of the wave? (a) 2 cm (b) 4 cm (c) 8 cm (d) 12 cm (e) 16 cm 10. What is the wavelength of the wave? (a) 3.0 cm (c) 9.0 cm (e) 15 cm (b) 6.0 cm (d) 12 cm 11. What is the frequency of the wave? (a) 0.60 Hz (c) 1.1 Hz (e) 1.7 Hz (b) 0.90 Hz (d) 1.3 Hz Review Exam

22 12. What is the difference in phase between the points A and B? (a) (π/4) radians (c) π radians (e) 2π radians (b) (π/2) radians (d) (3π/4) radians 14. A steel wire of mass kg and length m supports a 102-kg block. The wire is struck exactly at its midpoint causing a small displacement. How long does it take the peak of this displacement to reach the top of the wire? (a) 2.00 x 10 3 s (d) 8.00 x 10 3 s (b) 4.00 x 10 3 s (e) 1.60 x 10 2 s (c) 6.00 x 10 3 s 15. A certain string on a piano is tuned to produce middle C (f = Hz) by carefully adjusting the tension in the string. For a fixed wavelength, what is the frequency when this tension is doubled? (a) Hz (c) Hz (e) Hz (b) Hz (d) Hz Review Exam

23 17. A wave is traveling at 5.5 m/s on a string with a linear density of kg/m. What is the tension in the string? (a) 0.20 N (c) 2.5 N (e) 6.3 N (b) 0.45 N (d) 4.4 N 18. A transverse periodic wave described by the expression (where y and x are in meters and t is in seconds) is established on a string. Which one of the following statements concerning this wave is false? (a) The wave is traveling in the negative x direction. (b) The amplitude is 1.0 m. (c) The frequency of the wave is 0.10 Hz. (d) The wavelength of this wave is 2.0 m. (e) The wave travels with speed 5.0 m/s. 20. A wave has an amplitude of 0.35 m, a frequency of 1.05 x10 6 Hz, and travels in the positive X-direction at the speed of light, 3.00 x 10 8 m/s. Which one of the following equations correctly represents this wave? (a) y = 0.35 sin (6.60 x 10 6 t X) (d) y = 0.35 sin (286t x 10 6 X) (b) y = 0.35 sin (6.60 x 10 6 t X) (e) y = 0.35 sin (1.05 x 10 6 t x 108X) (c) y = 0.35 sin (286t 1.05 x 10 6 X) Review Exam

24 35. A bell produces sound energy at a rate of 4.00 x 10 3 W and radiates it uniformly in all directions. What is the intensity of the wave m from the bell? (a) 3.18 x 10 8 W/m 2 (c) 5.02 x 10 2 W/m 2 (e) 6.28 x 10 7 W/m 2 (b) 3.14 x 10 7 W/m 2 (d) 5.02 x 10 2 W/m During a typical workday (eight hours), the average sound intensity arriving at Larry s ear is 1.8 x 10 5 W/m 2. If the area of Larry s ear through which the sound passes is 2.1 x 10 3 m 2, what is the total energy entering each of Larry s ears during the workday? (a) 1.8 x 10 5 J (c) 7.4 x 10 4 J (e) 4.1 x 10 3 J (b) 2.2 x 10 4 J (d) 1.1 x 10 3 J 38. Two boys are whispering in the library. The radiated sound power from one boy s mouth is 1.2 x 10 9 W and it spreads out uniformly in all directions. What is the minimum distance the boys must be away from the librarian so that she will not be able to hear them? The threshold of hearing for the librarian is 1.00 x W/m 2. (a) 100 m (c) 23 m (e) 9.8 m (b) 35 m (d) 16 m Review Exam

25 40. The decibel level of a jackhammer is 130 db relative to the threshold of hearing. Determine the decibel level if two jackhammers operate side by side. (a) 65 db (c) 133 db (e) 260 db (b) 130 db (d) 144 db 42. At a distance of 5.0 m from a point sound source, the sound intensity level is 110 db. At what distance is the intensity level 95 db? (a) 5.0 m (c) 14 m (e) 42 m (b) 7.1 m (d) 28 m 43. According to US government regulations, the maximum sound intensity level in the workplace is 90.0 db. Within one factory, 32 identical machines produce a sound intensity level of 92.0 db. How many machines must be removed to bring the factory into compliance with the regulation? (a) 2 (c) 12 (e) 24 (b) 8 (d) 16 Review Exam

1. Which one of the following situations is an example of an object with a non-zero kinetic energy?

1. Which one of the following situations is an example of an object with a non-zero kinetic energy? Name: Date: 1. Which one of the following situations is an example of an object with a non-zero kinetic energy? A) a drum of diesel fuel on a parked truck B) a stationary pendulum C) a satellite in geosynchronous

More information

Review - Chapter 1. Ans: 2.12m

Review - Chapter 1. Ans: 2.12m Review - Chapter 1 The distance d that a certain particle moves may be calculated from the expression d = at + bt 2 where a and b are constants; and t is the elapsed time. The dimensions of the quantities

More information

Use the following to answer question 1:

Use the following to answer question 1: Use the following to answer question 1: On an amusement park ride, passengers are seated in a horizontal circle of radius 7.5 m. The seats begin from rest and are uniformly accelerated for 21 seconds to

More information

UNIVERSITY OF SASKATCHEWAN Department of Physics and Engineering Physics

UNIVERSITY OF SASKATCHEWAN Department of Physics and Engineering Physics UNIVERSITY OF SASKATCHEWAN Department of Physics and Engineering Physics Physics 111.6 MIDTERM TEST #2 November 15, 2001 Time: 90 minutes NAME: STUDENT NO.: (Last) Please Print (Given) LECTURE SECTION

More information

Page 1. Name: Section This assignment is due at the first class in 2019 Part I Show all work!

Page 1. Name: Section This assignment is due at the first class in 2019 Part I Show all work! Name: Section This assignment is due at the first class in 2019 Part I Show all work! 7164-1 - Page 1 1) A car travels at constant speed around a section of horizontal, circular track. On the diagram provided

More information

3. How long must a 100 N net force act to produce a change in momentum of 200 kg m/s? (A) 0.25 s (B) 0.50 s (C) 1.0 s (D) 2.0 s (E) 4.

3. How long must a 100 N net force act to produce a change in momentum of 200 kg m/s? (A) 0.25 s (B) 0.50 s (C) 1.0 s (D) 2.0 s (E) 4. AP Physics Multiple Choice Practice Momentum and Impulse 1. A car of mass m, traveling at speed v, stops in time t when maximum braking force is applied. Assuming the braking force is independent of mass,

More information

ΣF=ma SECOND LAW. Make a freebody diagram for EVERY problem!

ΣF=ma SECOND LAW. Make a freebody diagram for EVERY problem! PHYSICS HOMEWORK #31 SECOND LAW ΣF=ma NEWTON S LAWS Newton s Second Law of Motion The acceleration of an object is directly proportional to the force applied, inversely proportional to the mass of the

More information

Name: Date: Period: AP Physics C Rotational Motion HO19

Name: Date: Period: AP Physics C Rotational Motion HO19 1.) A wheel turns with constant acceleration 0.450 rad/s 2. (9-9) Rotational Motion H19 How much time does it take to reach an angular velocity of 8.00 rad/s, starting from rest? Through how many revolutions

More information

AP Physics 1 Rotational Motion Practice Test

AP Physics 1 Rotational Motion Practice Test AP Physics 1 Rotational Motion Practice Test MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) A spinning ice skater on extremely smooth ice is able

More information

Webreview Torque and Rotation Practice Test

Webreview Torque and Rotation Practice Test Please do not write on test. ID A Webreview - 8.2 Torque and Rotation Practice Test Multiple Choice Identify the choice that best completes the statement or answers the question. 1. A 0.30-m-radius automobile

More information

Chapter 8, Rotational Equilibrium and Rotational Dynamics. 3. If a net torque is applied to an object, that object will experience:

Chapter 8, Rotational Equilibrium and Rotational Dynamics. 3. If a net torque is applied to an object, that object will experience: CHAPTER 8 3. If a net torque is applied to an object, that object will experience: a. a constant angular speed b. an angular acceleration c. a constant moment of inertia d. an increasing moment of inertia

More information

C) D) 2. The diagram below shows a worker using a rope to pull a cart.

C) D) 2. The diagram below shows a worker using a rope to pull a cart. 1. Which graph best represents the relationship between the acceleration of an object falling freely near the surface of Earth and the time that it falls? 2. The diagram below shows a worker using a rope

More information

UNIVERSITY OF SASKATCHEWAN Department of Physics and Engineering Physics

UNIVERSITY OF SASKATCHEWAN Department of Physics and Engineering Physics UNIVERSITY OF SASKATCHEWAN Department of Physics and Engineering Physics Physics 111.6 MIDTERM TEST #2 November 16, 2000 Time: 90 minutes NAME: STUDENT NO.: (Last) Please Print (Given) LECTURE SECTION

More information

TYPICAL NUMERIC QUESTIONS FOR PHYSICS I REGULAR QUESTIONS TAKEN FROM CUTNELL AND JOHNSON CIRCULAR MOTION CONTENT STANDARD IB

TYPICAL NUMERIC QUESTIONS FOR PHYSICS I REGULAR QUESTIONS TAKEN FROM CUTNELL AND JOHNSON CIRCULAR MOTION CONTENT STANDARD IB TYPICAL NUMERIC QUESTIONS FOR PHYSICS I REGULAR QUESTIONS TAKEN FROM CUTNELL AND JOHNSON CIRCULAR MOTION CONTENT STANDARD IB 1. A car traveling at 20 m/s rounds a curve so that its centripetal acceleration

More information

Cutnell/Johnson Physics

Cutnell/Johnson Physics Cutnell/Johnson Physics Classroom Response System Questions Chapter 5 Dynamics of Uniform Circular Motion Interactive Lecture Questions 5.1.1. An airplane flying at 115 m/s due east makes a gradual turn

More information

Chapter 9-10 Test Review

Chapter 9-10 Test Review Chapter 9-10 Test Review Chapter Summary 9.2. The Second Condition for Equilibrium Explain torque and the factors on which it depends. Describe the role of torque in rotational mechanics. 10.1. Angular

More information

Slide 1 / 133. Slide 2 / 133. Slide 3 / How many radians are subtended by a 0.10 m arc of a circle of radius 0.40 m?

Slide 1 / 133. Slide 2 / 133. Slide 3 / How many radians are subtended by a 0.10 m arc of a circle of radius 0.40 m? 1 How many radians are subtended by a 0.10 m arc of a circle of radius 0.40 m? Slide 1 / 133 2 How many degrees are subtended by a 0.10 m arc of a circle of radius of 0.40 m? Slide 2 / 133 3 A ball rotates

More information

Slide 2 / 133. Slide 1 / 133. Slide 3 / 133. Slide 4 / 133. Slide 5 / 133. Slide 6 / 133

Slide 2 / 133. Slide 1 / 133. Slide 3 / 133. Slide 4 / 133. Slide 5 / 133. Slide 6 / 133 Slide 1 / 133 1 How many radians are subtended by a 0.10 m arc of a circle of radius 0.40 m? Slide 2 / 133 2 How many degrees are subtended by a 0.10 m arc of a circle of radius of 0.40 m? Slide 3 / 133

More information

LAHS Physics Semester 1 Final Practice Multiple Choice

LAHS Physics Semester 1 Final Practice Multiple Choice LAHS Physics Semester 1 Final Practice Multiple Choice The following Multiple Choice problems are practice MC for the final. Some or none of these problems may appear on the real exam. Answers are provided

More information

Chapter 8 - Rotational Dynamics and Equilibrium REVIEW

Chapter 8 - Rotational Dynamics and Equilibrium REVIEW Pagpalain ka! (Good luck, in Filipino) Date Chapter 8 - Rotational Dynamics and Equilibrium REVIEW TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false. 1) When a rigid body

More information

The net force on a moving object is suddenly reduced to zero. As a consequence, the object

The net force on a moving object is suddenly reduced to zero. As a consequence, the object The net force on a moving object is suddenly reduced to zero. As a consequence, the object (A) stops abruptly (B) stops during a short time interval (C) changes direction (D) continues at a constant velocity

More information

Review PHYS114 Chapters 4-7

Review PHYS114 Chapters 4-7 Review PHYS114 Chapters 4-7 MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) A 27 kg object is accelerated at a rate of 1.7 m/s 2. What force does

More information

PSI AP Physics I Rotational Motion

PSI AP Physics I Rotational Motion PSI AP Physics I Rotational Motion Multiple-Choice questions 1. Which of the following is the unit for angular displacement? A. meters B. seconds C. radians D. radians per second 2. An object moves from

More information

Twentieth SLAPT Physics Contest Southern Illinois University Edwardsville April 30, Mechanics Test

Twentieth SLAPT Physics Contest Southern Illinois University Edwardsville April 30, Mechanics Test Twentieth SLAPT Physics Contest Southern Illinois University Edwardsville April 30, 2005 Mechanics Test Please answer the following questions on the supplied answer sheet. You may write on this test booklet,

More information

Exam 3 PREP Chapters 6, 7, 8

Exam 3 PREP Chapters 6, 7, 8 PHY241 - General Physics I Dr. Carlson, Fall 2013 Prep Exam 3 PREP Chapters 6, 7, 8 Name TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false. 1) Astronauts in orbiting satellites

More information

PRACTICE TEST for Midterm Exam

PRACTICE TEST for Midterm Exam South Pasadena AP Physics PRACTICE TEST for Midterm Exam FORMULAS Name Period Date / / d = vt d = v o t + ½ at 2 d = v o + v 2 t v = v o + at v 2 = v 2 o + 2ad v = v x 2 + v y 2 = tan 1 v y v v x = v cos

More information

Physics. Chapter 8 Rotational Motion

Physics. Chapter 8 Rotational Motion Physics Chapter 8 Rotational Motion Circular Motion Tangential Speed The linear speed of something moving along a circular path. Symbol is the usual v and units are m/s Rotational Speed Number of revolutions

More information

Practice Test for Midterm Exam

Practice Test for Midterm Exam A.P. Physics Practice Test for Midterm Exam Kinematics 1. Which of the following statements are about uniformly accelerated motion? Select two answers. a) If an object s acceleration is constant then it

More information

PHYS 1303 Final Exam Example Questions

PHYS 1303 Final Exam Example Questions PHYS 1303 Final Exam Example Questions (In summer 2014 we have not covered questions 30-35,40,41) 1.Which quantity can be converted from the English system to the metric system by the conversion factor

More information

66 Chapter 6: FORCE AND MOTION II

66 Chapter 6: FORCE AND MOTION II Chapter 6: FORCE AND MOTION II 1 A brick slides on a horizontal surface Which of the following will increase the magnitude of the frictional force on it? A Putting a second brick on top B Decreasing the

More information

PSI AP Physics I Rotational Motion

PSI AP Physics I Rotational Motion PSI AP Physics I Rotational Motion Multiple-Choice questions 1. Which of the following is the unit for angular displacement? A. meters B. seconds C. radians D. radians per second 2. An object moves from

More information

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Common Quiz Mistakes / Practice for Final Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) A ball is thrown directly upward and experiences

More information

Big Idea 4: Interactions between systems can result in changes in those systems. Essential Knowledge 4.D.1: Torque, angular velocity, angular

Big Idea 4: Interactions between systems can result in changes in those systems. Essential Knowledge 4.D.1: Torque, angular velocity, angular Unit 7: Rotational Motion (angular kinematics, dynamics, momentum & energy) Name: Big Idea 3: The interactions of an object with other objects can be described by forces. Essential Knowledge 3.F.1: Only

More information

UNIVERSITY OF MANITOBA

UNIVERSITY OF MANITOBA PAGE NO.: 1 of 6 + Formula Sheet Equal marks for all questions. No marks are subtracted for wrong answers. Record all answers on the computer score sheet provided. USE PENCIL ONLY! Black pen will look

More information

Name Date Period PROBLEM SET: ROTATIONAL DYNAMICS

Name Date Period PROBLEM SET: ROTATIONAL DYNAMICS Accelerated Physics Rotational Dynamics Problem Set Page 1 of 5 Name Date Period PROBLEM SET: ROTATIONAL DYNAMICS Directions: Show all work on a separate piece of paper. Box your final answer. Don t forget

More information

THE TWENTY-SECOND ANNUAL SLAPT PHYSICS CONTEST SOUTHERN ILLINOIS UNIVERSITY EDWARDSVILLE APRIL 21, 2007 MECHANICS TEST. g = 9.

THE TWENTY-SECOND ANNUAL SLAPT PHYSICS CONTEST SOUTHERN ILLINOIS UNIVERSITY EDWARDSVILLE APRIL 21, 2007 MECHANICS TEST. g = 9. THE TWENTY-SECOND ANNUAL SLAPT PHYSICS CONTEST SOUTHERN ILLINOIS UNIVERSITY EDWARDSVILLE APRIL 21, 27 MECHANICS TEST g = 9.8 m/s/s Please answer the following questions on the supplied answer sheet. You

More information

A) more mass and more inertia C) the same as the magnitude of the rock's weight C) a man standing still on a bathroom scale

A) more mass and more inertia C) the same as the magnitude of the rock's weight C) a man standing still on a bathroom scale 1. A 15-kilogram cart is at rest on a horizontal surface. A 5-kilogram box is placed in the cart. Compared to the mass and inertia of the cart, the cart-box system has A) more mass and more inertia B)

More information

Rotation. PHYS 101 Previous Exam Problems CHAPTER

Rotation. PHYS 101 Previous Exam Problems CHAPTER PHYS 101 Previous Exam Problems CHAPTER 10 Rotation Rotational kinematics Rotational inertia (moment of inertia) Kinetic energy Torque Newton s 2 nd law Work, power & energy conservation 1. Assume that

More information

AP Physics II Summer Packet

AP Physics II Summer Packet Name: AP Physics II Summer Packet Date: Period: Complete this packet over the summer, it is to be turned it within the first week of school. Show all work were needed. Feel free to use additional scratch

More information

AP Physics 1- Torque, Rotational Inertia, and Angular Momentum Practice Problems FACT: The center of mass of a system of objects obeys Newton s second law- F = Ma cm. Usually the location of the center

More information

PHYS 1303 Final Exam Example Questions

PHYS 1303 Final Exam Example Questions PHYS 1303 Final Exam Example Questions 1.Which quantity can be converted from the English system to the metric system by the conversion factor 5280 mi f 12 f in 2.54 cm 1 in 1 m 100 cm 1 3600 h? s a. feet

More information

Name St. Mary's HS AP Physics Circular Motion HW

Name St. Mary's HS AP Physics Circular Motion HW Name St. Mary's HS AP Physics Circular Motion HW Base your answers to questions 1 and 2 on the following situation. An object weighing 10 N swings at the end of a rope that is 0.72 m long as a simple pendulum.

More information

AP Physics 1: Rotational Motion & Dynamics: Problem Set

AP Physics 1: Rotational Motion & Dynamics: Problem Set AP Physics 1: Rotational Motion & Dynamics: Problem Set I. Axis of Rotation and Angular Properties 1. How many radians are subtended by a 0.10 m arc of a circle of radius 0.40 m? 2. How many degrees are

More information

= o + t = ot + ½ t 2 = o + 2

= o + t = ot + ½ t 2 = o + 2 Chapters 8-9 Rotational Kinematics and Dynamics Rotational motion Rotational motion refers to the motion of an object or system that spins about an axis. The axis of rotation is the line about which the

More information

The diagram below shows a block on a horizontal frictionless surface. A 100.-newton force acts on the block at an angle of 30. above the horizontal.

The diagram below shows a block on a horizontal frictionless surface. A 100.-newton force acts on the block at an angle of 30. above the horizontal. Name: 1) 2) 3) Two students are pushing a car. What should be the angle of each student's arms with respect to the flat ground to maximize the horizontal component of the force? A) 90 B) 0 C) 30 D) 45

More information

End-of-Chapter Exercises

End-of-Chapter Exercises End-of-Chapter Exercises Exercises 1 12 are conceptual questions that are designed to see if you have understood the main concepts of the chapter. 1. Figure 11.21 shows four different cases involving a

More information

Circular Motion Test Review

Circular Motion Test Review Circular Motion Test Review Name: Date: 1) Is it possible for an object moving with a constant speed to accelerate? Explain. A) No, if the speed is constant then the acceleration is equal to zero. B) No,

More information

Test 7 wersja angielska

Test 7 wersja angielska Test 7 wersja angielska 7.1A One revolution is the same as: A) 1 rad B) 57 rad C) π/2 rad D) π rad E) 2π rad 7.2A. If a wheel turns with constant angular speed then: A) each point on its rim moves with

More information

I pt mass = mr 2 I sphere = (2/5) mr 2 I hoop = mr 2 I disk = (1/2) mr 2 I rod (center) = (1/12) ml 2 I rod (end) = (1/3) ml 2

I pt mass = mr 2 I sphere = (2/5) mr 2 I hoop = mr 2 I disk = (1/2) mr 2 I rod (center) = (1/12) ml 2 I rod (end) = (1/3) ml 2 Fall 008 RED Barcode Here Physics 105, sections 1 and Exam 3 Please write your CID Colton -3669 3 hour time limit. One 3 5 handwritten note card permitted (both sides). Calculators permitted. No books.

More information

We define angular displacement, θ, and angular velocity, ω. What's a radian?

We define angular displacement, θ, and angular velocity, ω. What's a radian? We define angular displacement, θ, and angular velocity, ω Units: θ = rad ω = rad/s What's a radian? Radian is the ratio between the length of an arc and its radius note: counterclockwise is + clockwise

More information

Phys 106 Practice Problems Common Quiz 1 Spring 2003

Phys 106 Practice Problems Common Quiz 1 Spring 2003 Phys 106 Practice Problems Common Quiz 1 Spring 2003 1. For a wheel spinning with constant angular acceleration on an axis through its center, the ratio of the speed of a point on the rim to the speed

More information

Multiple Choice Questions Choose the best answer and write the corresponding letter in the space provided on the solution workbook.

Multiple Choice Questions Choose the best answer and write the corresponding letter in the space provided on the solution workbook. Los Altos Physics Spring 2006 MC Sample Multiple Choice Questions Choose the best answer and write the corresponding letter in the space provided on the solution workbook. Version # 1_ 1. A football player

More information

Advanced Higher Physics. Rotational motion

Advanced Higher Physics. Rotational motion Wallace Hall Academy Physics Department Advanced Higher Physics Rotational motion Problems AH Physics: Rotational Motion 1 2013 Data Common Physical Quantities QUANTITY SYMBOL VALUE Gravitational acceleration

More information

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Exam #3 Name 1) A 2000. kg car, traveling to the right at 30. m/s, collides with a brick wall and comes to rest in 0.20 s. 1) The average force the car exerts on the wall is A) 60. kn. B) 12. kn. C) 300

More information

r r Sample Final questions for PS 150

r r Sample Final questions for PS 150 Sample Final questions for PS 150 1) Which of the following is an accurate statement? A) Rotating a vector about an axis passing through the tip of the vector does not change the vector. B) The magnitude

More information

Wiley Plus. Final Assignment (5) Is Due Today: Before 11 pm!

Wiley Plus. Final Assignment (5) Is Due Today: Before 11 pm! Wiley Plus Final Assignment (5) Is Due Today: Before 11 pm! Final Exam Review December 9, 009 3 What about vector subtraction? Suppose you are given the vector relation A B C RULE: The resultant vector

More information

Quantitative Skills in AP Physics 1

Quantitative Skills in AP Physics 1 This chapter focuses on some of the quantitative skills that are important in your AP Physics 1 course. These are not all of the skills that you will learn, practice, and apply during the year, but these

More information

PHYSICS 221, FALL 2011 EXAM #2 SOLUTIONS WEDNESDAY, NOVEMBER 2, 2011

PHYSICS 221, FALL 2011 EXAM #2 SOLUTIONS WEDNESDAY, NOVEMBER 2, 2011 PHYSICS 1, FALL 011 EXAM SOLUTIONS WEDNESDAY, NOVEMBER, 011 Note: The unit vectors in the +x, +y, and +z directions of a right-handed Cartesian coordinate system are î, ĵ, and ˆk, respectively. In this

More information

Chapter 5. A rock is twirled on a string at a constant speed. The direction of its acceleration at point P is A) B) P C) D)

Chapter 5. A rock is twirled on a string at a constant speed. The direction of its acceleration at point P is A) B) P C) D) A 1500 kg car travels at a constant speed of 22 m/s around a circular track which has a radius of 80 m. Which statement is true concerning this car? A) The velocity of the car is changing. B) The car is

More information

Physics Midterm Review KEY

Physics Midterm Review KEY Name: Date: 1. Which quantities are scalar? A. speed and work B. velocity and force C. distance and acceleration D. momentum and power 2. A 160.-kilogram space vehicle is traveling along a straight line

More information

Energy and Momentum Review Problems

Energy and Momentum Review Problems Energy and Momentum Review Problems NAME 1. In which one of the following situations is zero net work done? A) A ball rolls down an inclined plane. B) A physics student stretches a spring. C) A projectile

More information

Fall 2007 RED Barcode Here Physics 105, sections 1 and 2 Please write your CID Colton

Fall 2007 RED Barcode Here Physics 105, sections 1 and 2 Please write your CID Colton Fall 007 RED Barcode Here Physics 105, sections 1 and Exam 3 Please write your CID Colton -3669 3 hour time limit. One 3 5 handwritten note card permitted (both sides). Calculators permitted. No books.

More information

Unless otherwise specified, use g = 9.80 m/s2

Unless otherwise specified, use g = 9.80 m/s2 Phy 111 Exam 2 March 10, 2015 Name Section University ID Please fill in your computer answer sheet as follows: 1) In the NAME grid, fill in your last name, leave one blank space, then your first name.

More information

UNIVERSITY OF MANITOBA. All questions are of equal value. No marks are subtracted for wrong answers.

UNIVERSITY OF MANITOBA. All questions are of equal value. No marks are subtracted for wrong answers. (3:30 pm 6:30 pm) PAGE NO.: 1 of 7 All questions are of equal value. No marks are subtracted for wrong answers. Record all answers on the computer score sheet provided. USE PENCIL ONLY! Black pen will

More information

AP Physics C: Mechanics Practice (Newton s Laws including friction, resistive forces, and centripetal force).

AP Physics C: Mechanics Practice (Newton s Laws including friction, resistive forces, and centripetal force). AP Physics C: Mechanics Practice (Newton s Laws including friction, resistive forces, and centripetal force). 1981M1. A block of mass m, acted on by a force of magnitude F directed horizontally to the

More information

B) v `2. C) `2v. D) 2v. E) 4v. A) 2p 25. B) p C) 2p. D) 4p. E) 4p 2 25

B) v `2. C) `2v. D) 2v. E) 4v. A) 2p 25. B) p C) 2p. D) 4p. E) 4p 2 25 1. 3. A ball attached to a string is whirled around a horizontal circle of radius r with a tangential velocity v. If the radius is changed to 2r and the magnitude of the centripetal force is doubled the

More information

1 MR SAMPLE EXAM 3 FALL 2013

1 MR SAMPLE EXAM 3 FALL 2013 SAMPLE EXAM 3 FALL 013 1. A merry-go-round rotates from rest with an angular acceleration of 1.56 rad/s. How long does it take to rotate through the first rev? A) s B) 4 s C) 6 s D) 8 s E) 10 s. A wheel,

More information

Circular Motion & Gravitation MC Question Database

Circular Motion & Gravitation MC Question Database (Questions #4,5,6,27,37,38,42 and 58 each have TWO correct answers.) 1) A record player has four coins at different distances from the center of rotation. Coin A is 1 cm away, Coin B is 2 cm away. Coin

More information

y(t) = y 0 t! 1 2 gt 2. With y(t final ) = 0, we can solve this for v 0 : v 0 A ĵ. With A! ĵ =!2 and A! = (2) 2 + (!

y(t) = y 0 t! 1 2 gt 2. With y(t final ) = 0, we can solve this for v 0 : v 0 A ĵ. With A! ĵ =!2 and A! = (2) 2 + (! 1. The angle between the vector! A = 3î! 2 ĵ! 5 ˆk and the positive y axis, in degrees, is closest to: A) 19 B) 71 C) 90 D) 109 E) 161 The dot product between the vector! A = 3î! 2 ĵ! 5 ˆk and the unit

More information

Midterm Prep. 1. Which combination correctly pairs a vector quantity with its corresponding unit?

Midterm Prep. 1. Which combination correctly pairs a vector quantity with its corresponding unit? Name: ate: 1. Which combination correctly pairs a vector quantity with its corresponding unit?. weight and kg. velocity and m/s. speed and m/s. acceleration and m 2 /s 2. 12.0-kilogram cart is moving at

More information

Regents Physics. Physics Midterm Review - Multiple Choice Problems

Regents Physics. Physics Midterm Review - Multiple Choice Problems Name Physics Midterm Review - Multiple Choice Problems Regents Physics 1. A car traveling on a straight road at 15.0 meters per second accelerates uniformly to a speed of 21.0 meters per second in 12.0

More information

Rotational Motion Examples:

Rotational Motion Examples: Rotational Motion Examples: 1. A 60. cm diameter wheel rotates through 50. rad. a. What distance will it move? b. How many times will the wheel rotate in this time? 2. A saw blade is spinning at 2000.

More information

1. A baseball player throws a ball horizontally. Which statement best describes the ball's motion after it is thrown? [Neglect the effect of

1. A baseball player throws a ball horizontally. Which statement best describes the ball's motion after it is thrown? [Neglect the effect of 1. A baseball player throws a ball horizontally. Which statement best describes the ball's motion after it is thrown? [Neglect the effect of friction.] A) Its vertical speed remains the same, and its horizontal

More information

AP practice ch 7-8 Multiple Choice

AP practice ch 7-8 Multiple Choice AP practice ch 7-8 Multiple Choice 1. A spool of thread has an average radius of 1.00 cm. If the spool contains 62.8 m of thread, how many turns of thread are on the spool? "Average radius" allows us to

More information

Rolling, Torque & Angular Momentum

Rolling, Torque & Angular Momentum PHYS 101 Previous Exam Problems CHAPTER 11 Rolling, Torque & Angular Momentum Rolling motion Torque Angular momentum Conservation of angular momentum 1. A uniform hoop (ring) is rolling smoothly from the

More information

Page 1. Name:

Page 1. Name: Name: 3834-1 - Page 1 1) If a woman runs 100 meters north and then 70 meters south, her total displacement is A) 170 m south B) 170 m north C) 30 m south D) 30 m north 2) The graph below represents the

More information

5. Use the graph below to determine the displacement of the object at the end of the first seven seconds.

5. Use the graph below to determine the displacement of the object at the end of the first seven seconds. Name: Hour: 1. The slope of the tangent on a position-time graph equals the: Sem 1 Exam Review Advanced Physics 2015-2016 2. The area under the curve on a velocity-time graph equals the: 3. The graph below

More information

UNIVERSITY OF MANITOBA. All questions are of equal value. No marks are subtracted for wrong answers.

UNIVERSITY OF MANITOBA. All questions are of equal value. No marks are subtracted for wrong answers. (1:30 pm 4:30 pm) PAGE NO.: 1 of 7 All questions are of equal value. No marks are subtracted for wrong answers. Record all answers on the computer score sheet provided. USE PENCIL ONLY! Black pen will

More information

On my honor, I have neither given nor received unauthorized aid on this examination.

On my honor, I have neither given nor received unauthorized aid on this examination. Instructor(s): Profs. D. Reitze, H. Chan PHYSICS DEPARTMENT PHY 2053 Exam 2 April 2, 2009 Name (print, last first): Signature: On my honor, I have neither given nor received unauthorized aid on this examination.

More information

v (m/s) 10 d. displacement from 0-4 s 28 m e. time interval during which the net force is zero 0-2 s f. average velocity from 0-4 s 7 m/s x (m) 20

v (m/s) 10 d. displacement from 0-4 s 28 m e. time interval during which the net force is zero 0-2 s f. average velocity from 0-4 s 7 m/s x (m) 20 Physics Final Exam Mechanics Review Answers 1. Use the velocity-time graph below to find the: a. velocity at 2 s 6 m/s v (m/s) 1 b. acceleration from -2 s 6 c. acceleration from 2-4 s 2 m/s 2 2 4 t (s)

More information

Sample Physics Placement Exam

Sample Physics Placement Exam Sample Physics 130-1 Placement Exam A. Multiple Choice Questions: 1. A cable is used to take construction equipment from the ground to the top of a tall building. During the trip up, when (if ever) is

More information

1. (P2.1A) The picture below shows a ball rolling along a table at 1 second time intervals. What is the object s average velocity after 6 seconds?

1. (P2.1A) The picture below shows a ball rolling along a table at 1 second time intervals. What is the object s average velocity after 6 seconds? PHYSICS FINAL EXAM REVIEW FIRST SEMESTER (01/2017) UNIT 1 Motion P2.1 A Calculate the average speed of an object using the change of position and elapsed time. P2.1B Represent the velocities for linear

More information

St. Joseph s Anglo-Chinese School

St. Joseph s Anglo-Chinese School Time allowed:.5 hours Take g = 0 ms - if necessary. St. Joseph s Anglo-Chinese School 008 009 First Term Examination Form 6 ASL Physics Section A (40%) Answer ALL questions in this section. Write your

More information

Dynamics Test K/U 28 T/I 16 C 26 A 30

Dynamics Test K/U 28 T/I 16 C 26 A 30 Name: Dynamics Test K/U 28 T/I 16 C 26 A 30 A. True/False Indicate whether the sentence or statement is true or false. 1. The normal force that acts on an object is always equal in magnitude and opposite

More information

Physics Test Review: Mechanics Session: Name:

Physics Test Review: Mechanics Session: Name: Directions: For each statement or question, write in the answer box, the number of the word or expression that, of those given, best completes the statement or answers the question. 1. The diagram below

More information

A. 50 N B. 100 N C. 20 N D. 0 N E. 500 N

A. 50 N B. 100 N C. 20 N D. 0 N E. 500 N SQ1: A 0.05-kg tennis ball moving to the right with a speed of 10 m/s is struck by a tennis racket, causing it to move to the left with a speed of 10 m/s. If the ball remains in contact with the racquet

More information

Physics 201 Midterm Exam 3

Physics 201 Midterm Exam 3 Physics 201 Midterm Exam 3 Information and Instructions Student ID Number: Section Number: TA Name: Please fill in all the information above. Please write and bubble your Name and Student Id number on

More information

Rotation Quiz II, review part A

Rotation Quiz II, review part A Rotation Quiz II, review part A 1. A solid disk with a radius R rotates at a constant rate ω. Which of the following points has the greater angular velocity? A. A B. B C. C D. D E. All points have the

More information

QuickCheck 1.5. An ant zig-zags back and forth on a picnic table as shown. The ant s distance traveled and displacement are

QuickCheck 1.5. An ant zig-zags back and forth on a picnic table as shown. The ant s distance traveled and displacement are APPY1 Review QuickCheck 1.5 An ant zig-zags back and forth on a picnic table as shown. The ant s distance traveled and displacement are A. 50 cm and 50 cm B. 30 cm and 50 cm C. 50 cm and 30 cm D. 50 cm

More information

3) When a rigid body rotates about a fixed axis all the points in the body have the same centripetal acceleration. FALSE

3) When a rigid body rotates about a fixed axis all the points in the body have the same centripetal acceleration. FALSE PHYSICS 1401 Exam 3 Review Name TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false. 1) When a rigid body rotates about a fixed axis all the points in the body have the same

More information

UNIVERSITY OF SASKATCHEWAN Department of Physics and Engineering Physics

UNIVERSITY OF SASKATCHEWAN Department of Physics and Engineering Physics UNIVERSITY OF SASKATCHEWAN Department of Physics and Engineering Physics Physics 115.3 Physics and the Universe FINAL EXAMINATION December 14, 013 NAME: (Last) Please Print (Given) Time: 3 hours STUDENT

More information

- 1 -APPH_MidTerm. Mid - Term Exam. Part 1: Write your answers to all multiple choice questions in this space. A B C D E A B C D E

- 1 -APPH_MidTerm. Mid - Term Exam. Part 1: Write your answers to all multiple choice questions in this space. A B C D E A B C D E Name - 1 -APPH_MidTerm AP Physics Date Mid - Term Exam Part 1: Write your answers to all multiple choice questions in this space. 1) 2) 3) 10) 11) 19) 20) 4) 12) 21) 5) 13) 22) 6) 7) 14) 15) 23) 24) 8)

More information

31 ROTATIONAL KINEMATICS

31 ROTATIONAL KINEMATICS 31 ROTATIONAL KINEMATICS 1. Compare and contrast circular motion and rotation? Address the following Which involves an object and which involves a system? Does an object/system in circular motion have

More information

Mechanics II. Which of the following relations among the forces W, k, N, and F must be true?

Mechanics II. Which of the following relations among the forces W, k, N, and F must be true? Mechanics II 1. By applying a force F on a block, a person pulls a block along a rough surface at constant velocity v (see Figure below; directions, but not necessarily magnitudes, are indicated). Which

More information

Exam 2--PHYS 101-Fall 2009

Exam 2--PHYS 101-Fall 2009 ame: Class: Date: Exam 2--PHYS 101-Fall 2009 Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Consider this figure of a roller coaster: At which of these

More information

Physics 201, Practice Midterm Exam 3, Fall 2006

Physics 201, Practice Midterm Exam 3, Fall 2006 Physics 201, Practice Midterm Exam 3, Fall 2006 1. A figure skater is spinning with arms stretched out. A moment later she rapidly brings her arms close to her body, but maintains her dynamic equilibrium.

More information

Big Ideas 3 & 5: Circular Motion and Rotation 1 AP Physics 1

Big Ideas 3 & 5: Circular Motion and Rotation 1 AP Physics 1 Big Ideas 3 & 5: Circular Motion and Rotation 1 AP Physics 1 1. A 50-kg boy and a 40-kg girl sit on opposite ends of a 3-meter see-saw. How far from the girl should the fulcrum be placed in order for the

More information

Exam. Name. MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

Exam. Name. MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) You want to swim straight across a river that is 76 m wide. You find that you can do

More information

3. A bicycle tire of radius 0.33 m and a mass 1.5 kg is rotating at 98.7 rad/s. What torque is necessary to stop the tire in 2.0 s?

3. A bicycle tire of radius 0.33 m and a mass 1.5 kg is rotating at 98.7 rad/s. What torque is necessary to stop the tire in 2.0 s? Practice 8A Torque 1. Find the torque produced by a 3.0 N force applied at an angle of 60.0 to a door 0.25 m from the hinge. What is the maximum torque this force could exert? 2. If the torque required

More information

AP Physics 1 Lesson 9 Homework Outcomes. Name

AP Physics 1 Lesson 9 Homework Outcomes. Name AP Physics 1 Lesson 9 Homework Outcomes Name Date 1. Define uniform circular motion. 2. Determine the tangential velocity of an object moving with uniform circular motion. 3. Determine the centripetal

More information