# LAHS Physics Semester 1 Final Practice Multiple Choice

Size: px
Start display at page:

Transcription

1 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 on the last pages. Use the following to answer questions 1-2: An object is moving along a straight line. The graph shows the object's position from the starting point as a function of time. 1. In which segments(s) of the graph does the object have the highest speed? A) AB B) BC C) CD D) DE E) AB and CD 2. At which time(s) does the object reverse its direction of motion? A) 1 s and 2 s B) 2 s and 5 s C) 1 s D) 2 s E) 5 s Use the following to answer question 3: A rock, dropped from rest near the surface of an atmosphere-free planet, attains a speed of 20.0 m/s after falling 8.0 meters. 3. What is the magnitude of the acceleration due to gravity on the surface of this planet? A) 0.40 m/s 2 B) 1.3 m/s 2 C) 2.5 m/s 2 D) 25 m/s 2 E) 160 m/s 2 Page 1

2 4. The minimum takeoff speed for a certain airplane is 75 m/s. What minimum acceleration is required if the plane must leave a runway of length 950 m? Assume the plane starts from rest at one end of the runway. A) 1.5 m/s 2 B) 3.0 m/s 2 C) 4.5 m/s 2 D) 6.0 m/s 2 E) 7.5 m/s 2 5. A car traveling along a road begins accelerating with a constant acceleration of 1.5 m/s 2 in the direction of motion. After traveling 392 m at this acceleration, its speed is 35 m/s. Determine the speed of the car when it began accelerating. A) 1.5 m/s B) 7.0 m/s C) 34 m/s D) 49 m/s E) 2.3 m/s 6. The rate at which the acceleration of an object changes with time is called the jerk. What is the dimension of the jerk? 2 A) [L] [L] 2 [T] [T] D) B) C) [L] [T] 2 E) [L] [T] 3 [L] [ T] 2 3 Use the following to answer question 7: An object is moving along the x axis. The graph shows its position from the starting point as a function of time. Various segments of the graph are identified by the letters A, B, C, and D. Page 2

3 7. What is the velocity of the object at t = 7.0 s? A) +3.0 m/s B) 1.0 m/s C) 2.0 m/s D) 3.0 m/s E) zero Use the following to answer questions 8-9: An object is moving along a straight line in the positive x direction. The graph shows its position from the starting point as a function of time. Various segments of the graph are identified by the letters A, B, C, and D. 8. What was the instantaneous velocity of the object at the end of the eighth second? A) +7.5 m/s B) m/s C) 0.94 m/s D) +1.1 m/s E) 0 m/s 9. Which segment(s) of the graph represent(s) a constant velocity of +1.0 m/s? A) A B) B C) C D) D E) A and C 10. A truck accelerates from rest at point A with constant acceleration of magnitude a and subsequently passes points B and C as shown in the figure. The distance between points B and C is x, and the time required for the truck to travel from B to C is t. Which expression determines the average speed of the truck between the points B and C? A) v 2 = 2ax B) Page 3

4 v = x t C) v = xt D) v = 1 2 at 2 E) v = at 11.A train passes through a town with a constant speed of 16 m/s. After leaving the town, the train accelerates at 0.33 m/s 2 until it reaches a speed of 35 m/s. How far did the train travel while it was accelerating? A) km B) 0.53 km C) 1.5 km D) 2.3 km E) 3.0 km Use the following to answer question 12: A tennis ball is shot vertically upward from the surface of an atmosphere-free planet with an initial speed of 20.0 m/s. One second later, the ball has an instantaneous velocity in the upward direction of 15.0 m/s. 12. Determine the velocity of the ball when it returns to its original position. Note: assume the upward direction is positive. A) +20 m/s B) 20 m/s C) +40 m/s D) 40 m/s E) zero Use the following to answer question 13: The figure shows the speed as a function of time for an object in free fall near the surface of the earth. The object was dropped from rest in a long evacuated cylinder. Page 4

5 13. Which one of the following statements best explains why the graph goes through the origin? A) The object was in a vacuum. B) The object was dropped from rest. C) The velocity of the object was constant. D) All v vs. t curves pass through the origin. E) The acceleration of the object was constant. 14. A car is stopped at a red traffic light. When the light turns to green, the car has a constant acceleration and crosses the 9.10-m intersection in 2.47 s. What is the magnitude of the car's acceleration? A) 1.77 m/s 2 B) 2.98 m/s 2 C) 3.60 m/s 2 D) 7.36 m/s 2 E) 9.80 m/s A landing airplane makes contact with the runway with a speed of 78.0 m/s and moves toward the south. After 18.5 seconds, the airplane comes to rest. What is the average acceleration of the airplane during the landing? A) 2.11 m/s 2, north D) 4.22 m/s 2, south B) 2.11 m/s 2, south E) 14.3 m/s 2, north C) 4.22 m/s 2, north Use the following to answer question 16: Peter noticed a bug crawling along a meter stick and decided to record the bug's position in five-second intervals. After the bug crawled off the meter stick, Peter created the table shown. Page 5

6 16. What is the total distance that the bug traveled between t = 0.00 s and t = 20.0 s? Assume the bug only changed directions at the end of a five-second interval. A) 39.9 cm B) 65.7 cm C) 16.1 cm D) 47.1 cm E) 26.5 cm Use the following to answer question 17: A 10.0-kg crate slides along a horizontal frictionless surface at a constant speed of 4.0 m/s. The crate then slides down a frictionless incline and across a second horizontal surface as shown in the figure. 17. What minimum coefficient of kinetic friction is required to bring the crate to a stop over a distance of 5.0 m along the lower surface? A) 0.30 B) 0.32 C) 0.60 D) 0.66 E) 0.76 Use the following to answer question 18: A rope exerts a force F on a 20.0-kg crate. The crate starts from rest and accelerates upward at 5.00 m/s 2 near the surface of the earth. Page 6

7 18. How much work was done by the force F in raising the crate 4.0 m above the floor? A) 399 J B) 250 J C) 116 J D) 704 J E) 1180 J 19. A cheetah is walking at a speed of 1.10 m/s when it observes a gazelle 41.0 m directly ahead. If the cheetah accelerates at 9.55 m/s 2, how long does it take the cheetah to reach the gazelle if the gazelle doesn't move? A) 4.29 s B) 3.67 s C) 3.05 s D) 1.94 s E) 2.82 s 20. A ball is thrown vertically upward from the surface of the earth. Consider the following quantities: (1) the speed of the ball; (2) the velocity of the ball; (3) the acceleration of the ball. Which of these is (are) zero when the ball has reached the maximum height? A) 1 only B) 2 only C) 1 and 2 D) 1 and 3 E) 1, 2, and 3 Use the following to answer question 21: A projectile is fired horizontally with an initial speed of 50.0 m/s. Neglect air resistance. 21. What is the magnitude of the acceleration of the projectile 3.00 s after it is fired? A) 9.8 m/s 2 B) 16.6 m/s 2 C) 29.4 m/s 2 D) 5.42 m/s 2 E) 4.07 m/s Two cars A and B approach each other at an intersection. Car A is traveling south at 20 m/s, while car B is traveling east at 17 m/s. What is the velocity of car A as described by the passengers in car B? A) 37 m/s, eastward D) 26 m/s, 50 south of west B) 26 m/s, 40 south of east E) 26 m/s, 40 south of west C) 26 m/s, 50 south of east 23. A quarterback throws a pass at an angle of 35 above the horizontal with an initial speed of 25 m/s. The ball is caught by the receiver 2.55 seconds later. Determine the distance the ball was thrown. Page 7

8 A) 13 m B) 18 m C) 36 m D) 52 m E) 72 m Use the following to answer question 24: A shell is fired with a horizontal velocity in the positive x direction from the top of an 80 m high cliff. The shell strikes the ground 1330 m from the base of the cliff. 24. What is the speed of the shell as it hits the ground? A) 4.0 m/s B) 9.8 m/s C) 82 m/s D) 170 m/s E) 330 m/s 25. A basketball player is running at a constant speed of 2.5 m/s when he tosses a basketball upward with a speed of 6.0 m/s. How far does the player run before he catches the ball? Ignore air resistance. A) 3.1 m B) 4.5 m C) The ball cannot be caught because it will fall behind the player. D) 6.0 m E) 7.5 m Use the following to answer questions 26-28: A projectile is fired from a gun and has initial horizontal and vertical components of velocity equal to 30 m/s and 40 m/s, respectively. 26. What is the acceleration of the projectile when it reaches its maximum height? A) 0 m/s 2 B) 9.8 m/s 2, downward C) 4.9 m/s 2, downward Page 8

9 D) less than 9.8 m/s 2 and non-zero. E) Its magnitude is 9.8 m/s 2 and; its direction is changing. 27. What is the speed of the projectile when it is at the highest point in its trajectory? A) 0 m/s B) 20 m/s C) 30 m/s D) 40 m/s E) 50 m/s 28. Approximately how long does it take the projectile to reach the highest point in its trajectory? A) 1 s B) 2 s C) 4 s D) 8 s E) 16 s 29. A boat that can travel at 4.0 km/h in still water crosses a river with a current of 2.0 km/h. At what angle must the boat be pointed upstream (that is, relative to its actual path) to go straight across the river? A) 27 B) 30 C) 60 D) 63 E) A cannonball is aimed 30.0 above the horizontal and is fired with an initial speed of 125 m/s at ground level. How far away from the cannon will the cannonball hit the ground? A) 125 m B) 138 m C) 695 m D) 1040 m E) 1380 m Use the following to answer questions 31-33: A tennis ball is thrown upward at an angle from point A. It follows a parabolic trajectory and hits the ground at point D. At the instant shown, the ball is at point B. Point C represents the highest position of the ball above the ground. Page 9

10 31. Which statement is true concerning the ball when it is at C, the highest point in its trajectory? A) The ball's velocity and acceleration are both zero. B) The ball's velocity is perpendicular to its acceleration. C) The ball's velocity is not zero, but its acceleration is zero. D) The ball's velocity is zero, but its acceleration is not zero. E) The horizontal and vertical components of the ball's velocity are equal. 32. At which point is the velocity vector changing most rapidly with time? A) A B) B C) C D) D E) It is changing at the same rate at all four points. 33. How do the x and y components of the velocity vector of the ball compare at the points B and C? A) The velocity components are non-zero at B and zero at C. B) The x components are the same; the y component at C is 0 m/s. C) The x components are the same; the y component has a larger magnitude at C than at B. D) The x component is larger at C than at B; the y component at B points up while at C, it points downward. E) The x component is larger at B than at C; the y component at B points down while at C, it points upward. 34. A bullet is aimed at a target on the wall a distance L away from the firing position. Because of gravity, the bullet strikes the wall a distance y below the mark as suggested in the figure. Note: The drawing is not to scale. If the distance L were half as large, and the bullet had the same initial velocity, how would y be affected? A) It will double. B) It will be half as large. Page 10

11 C) It will be four times larger. D) It will be one fourth as large. E) It is not possible to determine unless numerical values are given for the distances. 35. A train travels due south at 60 m/s. It reverses its direction and travels due north at 60 m/s. What is the change in velocity of the train? A) 120 m/s, due north D) 60 m/s, due south B) 120 m/s, due south E) 0 m/s C) 60 m/s, due north Use the following to answer questions 36-38: A small boat travels 80.0 km north and then travels 60.0 km east in 1.0 hour. 36. What is the boat's average speed during the one-hour trip? A) 20 km/h B) 100 km/h C) 140 km/h D) 280 km/h E) km/h 37. What is the direction of the boat's average velocity for the one-hour trip? A) due east D) 49.2 north of east B) 36.9 north of east E) 53.1 north of east C) 41.7 north of east 38. What is the boat's displacement for the one-hour trip? A) 20 km B) 100 km C) 140 km D) 280 km E) km 39. A ball is fired at an angle of 45, the angle that yields the maximum range in the absence of air resistance. What is the ratio of the ball's maximum height to its range? A) 1.0 B) 0.75 C) 0.67 D) 0.50 E) 0.25 Use the following to answer question 40: A projectile is fired at an angle of 60.0 above the horizontal with an initial speed of 30.0 m/s. 40. What is the magnitude of the horizontal component of the projectile's displacement at the end of 2 s? Page 11

12 A) 30 m B) 40 m C) 10 m D) 20 m E) 50 m Use the following to answer question 41: A force P pulls on a crate of mass m on a rough surface. The figure shows the magnitudes and directions of the forces that act on the crate in this situation. W represents the weight of the crate. F N represents the normal force on the crate, and f represents the frictional force. 41. Which statement best describes the motion of the crate? A) The crate must be at rest. B) The crate must be moving with constant velocity. C) The crate must be moving with constant acceleration. D) The crate may be either at rest or moving with constant velocity. E) The crate may be either at rest or moving with constant acceleration. 42. In an experiment with a block of wood on an inclined plane, with dimensions shown in the figure, the following observations are made: (1) If the block is placed on the inclined plane, it remains there at rest. (2) If the block is given a small push, it will accelerate toward the bottom of the incline without any further pushing. Which is the best conclusion that can be drawn from these observations? A) The coefficient of kinetic friction must be negative. B) Both coefficients of friction must be less than C) Both coefficients of friction must be greater than Page 12

13 D) The coefficient of static friction must be less than the coefficient of kinetic friction. E) The coefficient of static friction is greater than 0.25 while the coefficient of kinetic friction is less than Use the following to answer question 43: A block is pulled along a rough level surface at constant speed by the force P. The figure shows the free-body diagram for the block. F N represents the normal force on the block; and f represents the force of kinetic friction. 43. What is the magnitude of F N? A) mg B) P C) f D) 2mg E) This cannot be determined from the information given. 44. The wheels of an automobile are locked as it slides to a stop from an initial speed of 30.0 m/s. If the coefficient of kinetic friction is and the road is horizontal, approximately how long does it take the car to stop? A) 6.00 s B) 7.57 s C) 15.3 s D) 22.5 s E) 30.0 s 45. The graph shows the velocities of two objects of equal mass as a function of time. Forces F A, F B, and F C acted on the objects during intervals A, B, and C, respectively. Page 13

14 Which one of the following choices is the correct relationship between the magnitudes of the forces? A) F B = F C > F A D) F A = F B = F C B) F C > F B > F A E) F A > F B > F C C) F A > F B = F C Use the following to answer question 46: A 2.0-N force acts horizontally on a 10-N block that is initially at rest on a horizontal surface. The coefficient of static friction between the block and the surface is What is the magnitude of the frictional force that acts on the block? A) 0 N B) 2 N C) 5 N D) 8 N E) 10 N Use the following to answer question 47: A 10-kg block is connected to a 40-kg block as shown in the figure. The surface on which the blocks slide is frictionless. A force of 50 N pulls the blocks to the right. 47. What is the magnitude of the tension T in the rope that connects the two blocks? A) 0 N B) 10 N C) 20 N D) 40 N E) 50 N 48. Two forces act on a hockey puck. For which orientation of the forces will the puck acquire an acceleration with the largest magnitude? Page 14

15 (e) The magnitude of the acceleration will be the same in all four cases shown above. 49. A rock is suspended from a string; and it moves downward at constant speed. Which one of the following statements is true concerning the tension in the string if air resistance is not ignored? A) The tension is zero newtons. B) The tension points downward. C) The tension is equal to the weight of the rock. D) The tension is less than the weight of the rock. E) The tension is greater than the weight of the rock. 50. A crate rests on the flatbed of a truck that is initially traveling at 15 m/s on a level road. The driver applies the brakes and the truck is brought to a halt in a distance of 38 m. If the deceleration of the truck is constant, what is the minimum coefficient of friction between the crate and the truck that is required to keep the crate from sliding? A) 0.20 B) 0.30 C) 0.39 D) 0.59 E) This cannot be determined without knowing the mass of the crate. Use the following to answer question 51: A block of mass M is held motionless on a frictionless inclined plane by means of a string attached to a vertical wall as shown in the drawing. Page 15

16 51. If the string breaks, what is the magnitude of the acceleration of the block as it slides down the inclined plane? A) zero m/s 2 B) g C) g cos θ D) g sin θ E) g tan θ Use the following to answer question 52: A physics student in a hot air balloon ascends vertically at constant speed. Consider the following four forces that arise in this situation: F 1 = the weight of the hot air balloon F 2 = the weight of the student F 3 = the force of the student pulling on the earth F 4 = the force of the hot air balloon pulling on the student 52. Which two forces form an "action-reaction" pair that obeys Newton's third law? A) F 1 and F 2 B) F 2 and F 3 C) F 1 and F 3 D) F 2 and F 4 E) F 3 and F 4 Use the following to answer question 53: A block is at rest on a rough inclined plane and is connected to an object with the same mass as shown. The rope may be considered massless; and the pulley may be considered frictionless. The coefficient of static friction between the block and the plane is µ s ; and the coefficient of kinetic friction is µ k. 53. If the rope were cut between the block and the pulley, what would be the magnitude of the acceleration of the block down the plane? A) g D) g(tan θ µ k sin θ) B) g µ k sin θ E) g(sin θ µ k cos θ) C) g µ k cos θ Page 16

17 54. A net force F is required to give an object with mass m an acceleration a. If a net force 6F is applied to an object with mass 2m, what is the acceleration on this object? A) a B) 2a C) 3a D) 4a E) 6a 55. A rock is suspended from a string; and it accelerates downward. Which one of the following statements concerning the tension in the string is true? A) The tension points downward. B) The tension is less than the weight of the rock. C) The tension is equal to the weight of the rock. D) The tension is greater than the weight of the rock. E) The tension is independent of the magnitude of the rock's acceleration. 56. A block of weight W is suspended by a string of fixed length. The ends of the string are held at various positions as shown in the figures below. In which case, if any, is magnitude of the tension along the string the largest?. (e) It will be the same in all four cases, since the string must support the entire weight of the block. 57. When the net force that acts on a hockey puck is 10 N, the puck accelerates at a rate of 50 m/s 2. Determine the mass of the puck. A) 0.2 kg B) 1.0 kg C) 5 kg D) 10 kg E) 50 kg 58. A 2.0-N rock slides on a frictionless inclined plane. Which one of the following statements is true concerning the normal force that the plane exerts on the rock? Page 17

18 A) The normal force is zero newtons. B) The normal force is 2.0 N. C) The normal force is greater than 2.0 N. D) It increases as the angle of inclination, θ, is increased. E) The normal force is less than 2.0 N, but greater than zero newtons. Use the following to answer question 59: Two 5-N boxes are attached to opposite ends of a spring scale and suspended from pulleys as shown. 59. Suppose that the system were placed in an elevator that accelerated downward at 2 m/s 2. What would the scale read? A) 0 N B) 4 N C) 6 N D) 8 N E) 10 N 60. A 4-kg block is connected by means of a massless rope to a 2-kg block as shown in the figure. Complete the following statement: If the 4-kg block is to begin sliding, the coefficient of static friction between the 4-kg block and the surface must be A) less than zero. D) greater than 0.5, but less than 1. B) greater than 2. E) less than 0.5, but greater than zero. C) greater than 1, but less than 2. Use the following to answer questions 61-62: A 1500-kg car travels at a constant speed of 22 m/s around a circular track that has a radius of Page 18

19 85 m. 61. 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. 62. What is the magnitude of the acceleration of the car? A) 5.7 m/s 2 B) 0.26 m/s 2 C) 9.8 m/s 2 D) 1.2 m/s 2 E) zero m/s A car traveling at 20 m/s rounds a curve so that its centripetal acceleration is 5 m/s 2. What is the radius of the curve? A) 4 m B) 8 m C) 80 m D) 160 m E) 640 m Use the following to answer question 64: A small car of mass M travels along a straight, horizontal track. As suggested in the figure, the track then bends into a vertical circle of radius R. 64. What is the minimum acceleration that the car must have at the top of the track if it is to remain in contact with the track? A) 4.9 m/s 2, downward D) 9.8 m/s 2, downward B) 4.9 m/s 2, upward E) 19.6 m/s 2, upward C) 9.8 m/s 2, upward 65. A spaceship is in orbit around the earth at an altitude of miles. Which one of the Page 19

20 following statements best explains why the astronauts experience "weightlessness?" A) The centripetal force of the earth on the astronaut in orbit is zero newtons. B) The pull of the earth on the spaceship is canceled by the pull of the other planets. C) The spaceship is in free fall and its floor cannot press upwards on the astronauts. D) The force of gravity decreases as the inverse square of the distance from the earth's center. E) The force of the earth on the spaceship and the force of the spaceship on the earth cancel because they are equal in magnitude but opposite in direction. 66. 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 F T. 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. 67. What is the acceleration due to gravity at an altitude of m above the earth's surface? Note: the radius of the earth is m. A) 3.99 m/s 2 B) 9.80 m/s 2 C) 5.00 m/s 2 D) 6.77 m/s 2 E) 7.32 m/s Which force is responsible for holding a car in a frictionless banked curve? A) the reaction force to the car's weight B) the vertical component of the car's weight C) the vertical component of the normal force D) the horizontal component of the car's weight E) the horizontal component of the normal force 69. 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 D) m/s B) m/s E) m/s C) m/s Page 20

22 77. 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) B) C) 11.5 D) 19.6 E) 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 Consider a satellite in a circular orbit around the Earth. If it were at an altitude equal to twice the radius of the Earth, 2R E, how would its speed v be related to the Earth's radius R E, and the magnitude g of the acceleration due to gravity on the Earth's surface? A) B) C) v v 2 2 g R E = 9 = 2gR E D) v 2 = g R E 3 E) v 2 = g R E 4 v 2 = g R E A 0.75-kg ball is attached to a 1.0-m rope and whirled in a vertical circle. The rope will break when the tension exceeds 450 N. What is the maximum speed the ball can have at the bottom of the circle without breaking the rope? A) 24 m/s B) 12 m/s C) 32 m/s D) 16 m/s E) 38 m/s Page 22

23 81. The kinetic energy of an 1100-kg truck is J. What is the speed of the truck? A) 21 m/s B) 29 m/s C) 33 m/s D) 17 m/s E) 25 m/s 82. Two boxes are connected to each other as shown. The system is released from rest and the 1.00-kg box falls through a distance of 1.00 m. The surface of the table is frictionless. What is the kinetic energy of box B just before it reaches the floor? A) 2.45 J B) 4.90 J C) 9.80 J D) 29.4 J E) 39.2 J 83. The initial velocity of a 4.0-kg box is 11 m/s, due west. After the box slides 4.0 m horizontally, its speed is 1.5 m/s. Determine the magnitude and the direction of the nonconservative force acting on the box as it slides. A) 42 N, due west D) 59 N, due east B) 120 N, due east E) 83 N, due west C) 31 N, due east 84. A 40-kg block is lifted vertically 20 meters from the surface of the earth. To one significant figure, what is the change in the gravitational potential energy of the block? A) +800 J B) 800 J C) J D) 8000 J E) zero joules 85. A top fuel dragster with a mass of kg starts from rest and completes a quarter mile (402 m) race in a time of 5.0 s. The dragster's final speed is 130 m/s. Neglecting friction, what average power was needed to produce this final speed? A) 140 hp B) 750 hp C) 1100 hp D) hp E) hp 86. A 3.0-kg block falls from rest through a distance of 6.0 m in an evacuated tube near the surface of the earth. What is its speed after it has fallen the 6.0 m distance? Page 23

24 A) 8.0 m/s B) 11 m/s C) 13 m/s D) 26 m/s E) 120 m/s Use the following to answer question 87: A 2.0-kg projectile is fired with initial velocity components v ox = 30 m/s and v oy = 40 m/s from a point on the earth's surface. Neglect any effects due to air resistance. 87. How much work was done in firing the projectile? A) 900 J B) 1600 J C) 2500 J D) 4900 J E) 9800 J 88. A skier leaves the top of a slope with an initial speed of 5.0 m/s. Her speed at the bottom of the slope is 13 m/s. What is the height of the slope? A) 1.1 m B) 4.6 m C) 6.4 m D) 7.3 m E) 11 m 89. How much power is needed to lift a 75-kg student vertically upward at a constant speed of 0.33 m/s? A) 12.5 W B) 25 W C) 115 W D) 230 W E) 243 W 90. A concrete block is pulled 7.0 m across a frictionless surface by means of a rope. The tension in the rope is 40 N; and the net work done on the block is 247 J. What angle does the rope make with the horizontal? A) 28 B) 41 C) 47 D) 62 E) 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 falls toward the surface of Earth. D) A box is pulled across a rough floor at constant velocity. E) A child pulls a wagon across a rough surface causing it to accelerate. 92. A 1500-kg car travels at a constant speed of 22 m/s around a circular track that is 80 m Page 24

25 across. What is the kinetic energy of the car? A) zero joules B) J C) J D) J E) J Use the following to answer question 93: A 300-N force accelerates a 50.0-kg crate from rest along a horizontal frictionless surface for a distance of 20.0 m as shown in the figure. 93. What coefficient of friction would be required to keep the crate moving at constant speed under the action of the 300-N force? A) 0.30 B) 0.32 C) 0.52 D) 0.61 E) How much energy is dissipated in braking a 1000-kg car to a stop from an initial speed of 20 m/s? A) J B) J C) J D) J E) J 95. A woman stands on the edge of a cliff and throws a stone vertically downward with an initial speed of 10 m/s. The instant before the stone hits the ground below, it has 450 J of kinetic energy. If she were to throw the stone horizontally outward from the cliff with the same initial speed of 10 m/s, how much kinetic energy would it have just before it hits the ground? A) 50 J B) 100 J C) 450 J D) 800 J E) 950 J Use the following to answer question 96: A rope exerts a force F on a 20.0-kg crate. The crate starts from rest and accelerates upward at 5.00 m/s 2 near the surface of the earth. Page 25

26 96. What is the kinetic energy of the crate when it is 4.0 m above the floor? A) 400 J B) 250 J C) 116 J D) 704 J E) 1180 J 97. The graph shows the force component along the displacement as a function of the magnitude of the displacement. Determine the work done by the force during the interval from 2 to 10 m. A) 140 J B) 190 J C) 270 D) 450 J E) 560 J 98. What power is needed to lift a 49-kg person a vertical distance of 5.0 m in 20.0 s? A) 12.5 W B) 25 W C) 60 W D) 120 W E) 210 W 99. Use the work-energy theorem to find the force required to accelerate an electron (m = kg) from rest to a speed of m/s in a distance of m. A) N D) N B) N E) N C) N Use the following to answer question 100: A 10.0-kg crate slides along a horizontal frictionless surface at a constant speed of 4.0 m/s. The crate then slides down a frictionless incline and across a second horizontal surface as shown in the figure. Page 26

27 100. What is the kinetic energy of the crate as it slides on the lower surface? A) 290 J B) 320 J C) 370 J D) 490 J E) 570 J Answer Key -- Sem1MC 1. D 2. E 3. D 4. B 5. B 6. D 7. D 8. E 9. D 10. B 11. C 12. B 13. B 14. B 15. C 16. A 17. E 18. E 19. E 20. C 21. A 22. D 23. D 24. E 25. A 26. B 27. C 28. C 29. B 30. E 31. B 32. E 33. B 34. D 35. A 36. C 37. E 38. B 39. E 40. A 41. D 42. E 43. A 44. C 45. D 46. B 47. B 48. C 49. D 50. B 51. D 52. B 53. E 54. C 55. B 56. A 57. A 58. E 59. B 60. E 61. A 62. A 63. C 64. D 65. C 66. D 67. E 68. E 69. D 70. A 71. B 72. B 73. C 74. C 75. B 76. E 77. C 78. E 79. C 80. A 81. B 82. A 83. D 84. C 85. C 86. B 87. C 88. D 89. E 90. A 91. D 92. B 93. D 94. B 95. C 96. A 97. B 98. D 99. A Page 27

28 100. C Page 28

### 1. A sphere with a radius of 1.7 cm has a volume of: A) m 3 B) m 3 C) m 3 D) 0.11 m 3 E) 21 m 3

1. A sphere with a radius of 1.7 cm has a volume of: A) 2.1 10 5 m 3 B) 9.1 10 4 m 3 C) 3.6 10 3 m 3 D) 0.11 m 3 E) 21 m 3 2. A 25-N crate slides down a frictionless incline that is 25 above the horizontal.

### 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

### 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

### 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

### 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

### 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

### 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,

### An object moves back and forth, as shown in the position-time graph. At which points is the velocity positive?

1 The slope of the tangent on a position-time graph equals the instantaneous velocity 2 The area under the curve on a velocity-time graph equals the: displacement from the original position to its position

### 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

### 2) A car accelerates from 5.0 m/s to 21 m/s at a rate of 3.0 m/s 2. How far does it travel while accelerating? A) 207 m B) 117 m C) 41 m D) 69 m

Name VECTORS 1) An airplane undergoes the following displacements: First, it flies 59 km in a direction 30 east of north. Next, it flies 58 km due south. Finally, it flies 100 km 30 north of west. Using

### 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

### MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Diagram 1 A) B - A. B) A - B. C) A + B. D) A B.

Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) In the diagram shown, the unknown vector is 1) Diagram 1 A) B - A. B) A - B. C) A + B.

### Phys 111 Exam 1 September 22, 2015

Phys 111 Exam 1 September 22, 2015 1. The time T required for one complete oscillation of a mass m on a spring of force constant k is T = 2π m k. Find the dimension of k to be dimensionally correct for

### 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

### AP Physics First Nine Weeks Review

AP Physics First Nine Weeks Review 1. If F1 is the magnitude of the force exerted by the Earth on a satellite in orbit about the Earth and F2 is the magnitude of the force exerted by the satellite on the

### 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

### 16. A ball is thrown straight up with an initial speed of 30 m/s. What is its speed after 4.2 s? a. 11 m/s b. 30 m/s c. 42 m/s d.

Page 1 1. If you are driving 90 km/h along a straight road and you look to the side for 3.0 s, how far do you travel during this inattentive period? a. 30 m b. 25 m c. 50 m d. 75 m 2. A polar bear starts

### PHYS 101 Previous Exam Problems. Kinetic Energy and

PHYS 101 Previous Exam Problems CHAPTER 7 Kinetic Energy and Work Kinetic energy Work Work-energy theorem Gravitational work Work of spring forces Power 1. A single force acts on a 5.0-kg object in such

### Exam #2, Chapters 5-7 PHYS 101-4M MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

Exam #2, Chapters 5-7 Name PHYS 101-4M MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) The quantity 1/2 mv2 is A) the potential energy of the object.

### Physics 11 Comprehensive Exam Preparation

Physics 11 Comprehensive Exam Preparation Kinematics 1. A bike first accelerates from 0.0 m/s to 5.0 m/s in 4.5 s, then continues at this constant speed for another 4.5 s. What is the total distance traveled

### 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

### 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

### 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 are standing in a moving bus, facing forward, and you suddenly fall forward as the

### 6. Find the centripetal acceleration of the car in m/s 2 a b c d e. 32.0

PHYSICS 5 TEST 2 REVIEW 1. A car slows down as it travels from point A to B as it approaches an S curve shown to the right. It then travels at constant speed through the turn from point B to C. Select

### PHYS 101 Previous Exam Problems. Force & Motion I

PHYS 101 Previous Exam Problems CHAPTER 5 Force & Motion I Newton s Laws Vertical motion Horizontal motion Mixed forces Contact forces Inclines General problems 1. A 5.0-kg block is lowered with a downward

### 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

### 1. A train moves at a constant velocity of 90 km/h. How far will it move in 0.25 h? A. 10 km B km C. 25 km D. 45 km E. 50 km

Name: Physics I Mid Term Exam Review Multiple Choice Questions Date: Mr. Tiesler 1. A train moves at a constant velocity of 90 km/h. How far will it move in 0.25 h? A. 10 km B. 22.5 km C. 25 km D. 45 km

### 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

### PRACTICE TEST for Midterm Exam

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

### 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

### Physics 23 Exam 2 March 3, 2009

Use the following to answer question 1: A stationary 4-kg shell explodes into three pieces. Two of the fragments have a mass of 1 kg each and move along the paths shown with a speed of 10 m/s. The third

### Exam 1 Solutions. PHY 2048 Spring 2014 Acosta, Rinzler. Note that there are several variations of some problems, indicated by choices in parentheses.

Exam 1 Solutions Note that there are several variations of some problems, indicated by choices in parentheses. Problem 1 Let vector a! = 4î + 3 ĵ and vector b! = î + 2 ĵ (or b! = î + 4 ĵ ). What is the

### 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

### 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

### Chapter 6 Energy and Oscillations

Chapter 6 Energy and Oscillations Conservation of Energy In this chapter we will discuss one of the most important and fundamental principles in the universe. Energy is conserved. This means that in any

### UIC Physics 105. Midterm 1 Practice Exam. Summer 2013 Best if used by July 2 PROBLEM POINTS SCORE

UIC Physics 5 Midterm 1 Practice Exam Summer 2013 Best if used by July 2 PROBLEM POINTS SCORE Multiple Choice Problem 1 Problem 2 Problem 3 Problem 4 Problem 5 Problem 6 40 Total 0 Page 1 of 11 MULTIPLE

### 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

### Kinematics. v (m/s) ii. Plot the velocity as a function of time on the following graph.

Kinematics 1993B1 (modified) A student stands in an elevator and records his acceleration as a function of time. The data are shown in the graph above. At time t = 0, the elevator is at displacement x

### (A) 10 m (B) 20 m (C) 25 m (D) 30 m (E) 40 m

PSI AP Physics C Work and Energy (Algebra Based) Multiple Choice Questions (use g = 10 m/s 2 ) 1. A student throws a ball upwards from the ground level where gravitational potential energy is zero. At

### AP Physics C Summer Assignment Kinematics

AP Physics C Summer Assignment Kinematics 1. A car whose speed is 20 m/s passes a stationary motorcycle which immediately gives chase with a constant acceleration of 2.4 m/s 2. a. How far will the motorcycle

### 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

### Physics-MC Page 1 of 29 Inertia, Force and Motion 1.

Physics-MC 2006-7 Page 1 of 29 Inertia, Force and Motion 1. 3. 2. Three blocks of equal mass are placed on a smooth horizontal surface as shown in the figure above. A constant force F is applied to block

### Topic 2 Revision questions Paper

Topic 2 Revision questions Paper 1 3.1.2018 1. [1 mark] The graph shows the variation of the acceleration a of an object with time t. What is the change in speed of the object shown by the graph? A. 0.5

### 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)

### 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

### LAWS OF MOTION. Chapter Five MCQ I

Chapter Five LAWS OF MOTION MCQ I 5. A ball is travelling with uniform translatory motion. This means that (a) it is at rest. (b) the path can be a straight line or circular and the ball travels with uniform

### Physics Mid-Term Practice Exam

Physics Mid-Term Practice Exam Multiple Choice. Identify the choice that best completes the statement or answers the question. 1. Which one of the following problems would NOT be a part of physics? a.

### 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

### 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

### Exam. Name. 1) For general projectile motion with no air resistance, the horizontal component of a projectile's velocity A) B) C) D)

Exam Name 1) For general projectile motion with no air resistance, the horizontal component of a projectile's velocity 2) An athlete participates in an interplanetary discus throw competition during an

### 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

### PHYSICS 221, FALL 2009 EXAM #1 SOLUTIONS WEDNESDAY, SEPTEMBER 30, 2009

PHYSICS 221, FALL 2009 EXAM #1 SOLUTIONS WEDNESDAY, SEPTEMBER 30, 2009 Note: The unit vectors in the +x, +y, and +z directions of a right-handed Cartesian coordinate system are î, ĵ, and ˆk, respectively.

### The graph shows how an external force applied to an object of mass 2.0 kg varies with time. The object is initially at rest.

T2-2 [195 marks] 1. The graph shows how an external force applied to an object of mass 2.0 kg varies with time. The object is initially at rest. What is the speed of the object after 0.60 s? A. 7.0 ms

### B C = B 2 + C 2 2BC cosθ = (5.6)(4.8)cos79 = ) The components of vectors B and C are given as follows: B x. = 6.

1) The components of vectors B and C are given as follows: B x = 6.1 C x = 9.8 B y = 5.8 C y = +4.6 The angle between vectors B and C, in degrees, is closest to: A) 162 B) 111 C) 69 D) 18 E) 80 B C = (

### 3 UCM & Gravity Student Physics Regents Date

Student Physics Regents Date 1. Which diagram best represents the gravitational forces, Fg, between a satellite, S, and Earth? A) B) 4. Gravitational force exists between point objects and separated by

### 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

### 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

### 1. A 7.0-kg bowling ball experiences a net force of 5.0 N. What will be its acceleration? a. 35 m/s 2 c. 5.0 m/s 2 b. 7.0 m/s 2 d. 0.

Newton's Laws 1. A 7.0-kg bowling ball experiences a net force of 5.0 N. What will be its acceleration? a. 35 m/s 2 c. 5.0 m/s 2 b. 7.0 m/s 2 d. 0.71 m/s 2 2. An astronaut applies a force of 500 N to an

### - 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)

### Practice Honors Physics Test: Newtons Laws

Name: Class: Date: Practice Honors Physics Test: Newtons Laws Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Acceleration is defined as the CHANGE in

### PYP 001 FIRST MAJOR EXAM CODE: TERM: 151 SATURDAY, OCTOBER 17, 2015 PAGE: 1

TERM: 151 SATURDAY, OCTOBER 17, 2015 PAGE: 1 *Read the following (20) questions and choose the right answer: 1 The figure below represents the speed-time graph for the motion of a vehicle during a 7.0-minute

### Physics 6A TR Section Winter 2012 Midterm

Physics 6A TR Section Winter 2012 Midterm The test consists of 19 multiple choice questions. Enter the answer to the multiple choice questions in the pink scantron sheet. Use a pencil, not a pen. There

### 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

### Exam 2--PHYS 101--Fall 2014

Class: Date: Exam 2--PHYS 101--Fall 2014 Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Consider these vectors. What is A-B? a. a c. c b. b d. d 2. Consider

### WS-CH-4 Motion and Force Show all your work and equations used. Isaac Newton ( )

AP PHYSICS 1 WS-CH-4 Motion and Force Show all your work and equations used. Isaac Newton (1643-1727) Isaac Newton was the greatest English mathematician of his generation. He laid the foundation for differential

### 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,

### PHYS 124 Section A1 Mid-Term Examination Spring 2006 SOLUTIONS

PHYS 14 Section A1 Mid-Term Examination Spring 006 SOLUTIONS Name Student ID Number Instructor Marc de Montigny Date Monday, May 15, 006 Duration 60 minutes Instructions Items allowed: pen or pencil, calculator

### IB PHYSICS SL SEMESTER 1 FINAL REVIEW

Class: Date: IB PHYSICS SL SEMESTER 1 FINAL REVIEW Multiple Choice Identify the choice that best completes the statement or answers the question. 1. A rocket is fired vertically. At its highest point,

### Physics 20 Practice Problems for Exam 1 Fall 2014

Physics 20 Practice Problems for Exam 1 Fall 2014 Multiple Choice Short Questions (1 pt ea.) Circle the best answer. 1. An apple falls from a tree and hits the ground 5 meters below. It hits the ground

### Comprehensive Exam Session III Classical Mechanics Physics Department- Proctor: Dr. Jack Straton (Sun. Jan 11 th, 2015) (3 hours long 1:00 to 4:00 PM)

Letter Comprehensive Exam Session III Classical Mechanics Physics Department- Proctor: Dr. Jack Straton (Sun. Jan 11 th, 2015) (3 hours long 1:00 to 4:00 PM) If you cannot solve the whole problem, write

### 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

### Review Session 1. Page 1

Review Session 1 1. Which combination of fundamental units can be used to express the amount of work done on an object? 2. The height of a typical kitchen table is approximately A) 10-2 m B) 10 0 m C)

### Version PREVIEW Semester 1 Review Slade (22222) 1

Version PREVIEW Semester 1 Review Slade () 1 This print-out should have 48 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. Holt SF 0Rev 10A

### KINETIC ENERGY AND WORK

Chapter 7: KINETIC ENERGY AND WORK 1 Which of the following is NOT a correct unit for work? A erg B ft lb C watt D newton meter E joule 2 Which of the following groups does NOT contain a scalar quantity?

### PSI AP Physics B Dynamics

PSI AP Physics B Dynamics Multiple-Choice questions 1. After firing a cannon ball, the cannon moves in the opposite direction from the ball. This an example of: A. Newton s First Law B. Newton s Second

### Centripetal Force Review. 1. The graph given shows the weight of three objects on planet X as a function of their mass.

Name: ate: 1. The graph given shows the weight of three objects on planet X as a function of their mass. 3. If the circular track were to suddenly become frictionless at the instant shown in the diagram,

### 2017 PHYSICS FINAL REVIEW PACKET EXAM BREAKDOWN

2017 PHYSICS FINAL REVIEW PACKET EXAM BREAKDOWN Topics: Forces Motion Momentum Gravity Electrostatics DATE: TIME: ROOM: PROCTOR: YOU ARE REQUIRED TO BRING: 1. CALCULATOR (YOUR OWN NO SHARING) 2. PENCIL

### 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

### Base your answers to questions 5 and 6 on the information below.

1. A car travels 90. meters due north in 15 seconds. Then the car turns around and travels 40. meters due south in 5.0 seconds. What is the magnitude of the average velocity of the car during this 20.-second

### Slide 1 / A train moves at a constant velocity of 90 km/h. How far will it move in 0.25 h? 10 km 22.5 km 25 km 45 km 50 km

Slide 1 / 96 1 train moves at a constant velocity of 90 km/h. How far will it move in 0.25 h? 10 km 22.5 km 25 km 45 km 50 km Slide 2 / 96 2 bicyclist moves at a constant speed of 6 m/s. How long it will

### (a) On the dots below that represent the students, draw and label free-body diagrams showing the forces on Student A and on Student B.

2003 B1. (15 points) A rope of negligible mass passes over a pulley of negligible mass attached to the ceiling, as shown above. One end of the rope is held by Student A of mass 70 kg, who is at rest on

### Show all workings for questions that involve multiple choice.

Assignment 2 Unit 2 Newton s Laws (Outcomes 325-5, 325-8) Name: Multiple Choice: Show all workings for questions that involve multiple choice. 1 Which choice represents a NON-INERTIAL frame of reference?

### Chapter 7. Preview. Objectives Tangential Speed Centripetal Acceleration Centripetal Force Describing a Rotating System. Section 1 Circular Motion

Section 1 Circular Motion Preview Objectives Tangential Speed Centripetal Acceleration Centripetal Force Describing a Rotating System Section 1 Circular Motion Objectives Solve problems involving centripetal

### MMSTC AP PHYSICS REVEIW

1) Which section of the following velocity vs. time graph shows the greatest displacement? 2) Which section of the Velocity vs. time graph above displays a change in direction? 3) Which section of the

### 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

### Phys101-T121-First Major Exam Zero Version, choice A is the correct answer

Phys101-T121-First Major Exam Zero Version, choice A is the correct answer Q1. Find the mass of a solid cylinder of copper with a radius of 5.00 cm and a height of 10.0 inches if the density of copper

### 1982B1. The first meters of a 100-meter dash are covered in 2 seconds by a sprinter who starts from rest and accelerates with a constant

1982B1. The first meters of a 100-meter dash are covered in 2 seconds by a sprinter who starts from rest and accelerates with a constant acceleration. The remaining 90 meters are run with the same velocity

### Final Exam Review Topics/Problems

Final Exam Review Topics/Problems Units/Sig Figs Look at conversions Review sig figs Motion and Forces Newton s Laws X(t), v(t), a(t) graphs: look at F, displacement, accel, average velocity Boat problems/vector

### Phys , Fall04,Term 1 Exercise Problems

Page 1 1. The number of significant figures in the number 0.00593 is a. 5 b. 2 c. 3 d.6 2. The product of 10-4 and 105 is a. 1 b. 10 c. 0.1 d.100 3. The length of a car is given as 4.57 m. The percent

### AP Physics 1: MIDTERM REVIEW OVER UNITS 2-4: KINEMATICS, DYNAMICS, FORCE & MOTION, WORK & POWER

MIDTERM REVIEW AP Physics 1 McNutt Name: Date: Period: AP Physics 1: MIDTERM REVIEW OVER UNITS 2-4: KINEMATICS, DYNAMICS, FORCE & MOTION, WORK & POWER 1.) A car starts from rest and uniformly accelerates

### SMU Physics 1313 : Fall 2008 Exam 1

SMU Physics 1313 : all 2008 Exam 1 1. Complete the following statement: The term net force most accurately describes (a) the mass of an object. (b) the inertia of an object. (c) the quantity that causes

### AP/Honors Physics Take-Home Exam 1

AP/Honors Physics Take-Home Exam 1 Section 1: Multiple Choice (Both Honors & AP) Instructions: Read each question carefully and select the best answer from the choices given. Show all work on separate

### 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

### 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

### Physics 201 Quiz 1. Jan 14, 2013

Physics 201 Quiz 1 Jan 14, 2013 1. A VW Beetle goes from 0 to 60.0 mph with an acceleration of 2.35 m/s 2. (a) How much time does it take for the Beetle to reach this speed? (b) A top-fuel dragster can

### 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

### SECOND MIDTERM -- REVIEW PROBLEMS

Physics 10 Spring 009 George A. WIllaims SECOND MIDTERM -- REVIEW PROBLEMS A solution set is available on the course web page in pdf format. A data sheet is provided. No solutions for the following problems:

### Physics Final Practice Exam Part 1

Physics Final Practice Exam Part 1 Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Which one of the following problems would NOT be a part of physics?