EF 151 Exam #3, Spring, 2014 Page 1 of 6
|
|
- Timothy Woods
- 5 years ago
- Views:
Transcription
1 EF 151 Exam #3, Spring, 2014 Page 1 of 6 Name: Section: Instructions: Put name and section on exam and on equation sheet. Do not open the test until you are told to do so. Write your final answer in the box provided If you finish with less than 5 minutes remaining, please stay seated until the exam is over. Stop work immediately when time is over; pass exams to the aisle; stay seated until all exams are collected. Turn in your equation sheet with your examination Guidelines: Assume 3 significant figures for all given numbers unless otherwise stated Show all of your work no work, no credit Include units for all answers Include directions for all vectors
2 EF 151 Exam #3, Spring, 2014 Page 2 of 6 1. (2 pts) How was the actual final velocity determined in the roller coaster project (ball bearing in the tube)? A. Conservation of energy B. Conservation of momentum C. Projectile motion D. F = ma 2. (2 pts) Which is NOT a valid unit for work and energy? A. BTU B. Joule C. ft-lb D. kw-hr E. slug-ft 2 /s 2 F. slug-ft 3. (2 pts) A 20 lb box is pushed a distance of 5 ft along a level floor with a horizontal force of 10 lb. There is a constant friction force of 4 lb. How much work is done by the friction force? A ft-lb B. -50 ft-lb C. -20 ft-lb D. 0 E. 20 ft-lb F. 50 ft-lb G. 100 ft-lb 4. (2 pts) What is the value for the coefficient of restitution for a perfectly inelastic collision? A. 0 B. Between 0 and 1 C. 1 D. Greater than 1 E. Depends upon v1 and v2 5. (2 pts) A bowling ball (mass=30m, velocity=v) and billiard ball (mass=m, velocity= -v) collide in a head on, perfectly elastic collision. What is the closest value for the velocity of the billiard ball after the collision? A. - 3v B. - 2v C. - v D. 0 E. v F. 2v G. 3v
3 EF 151 Exam #3, Spring, 2014 Page 3 of 6 6. (2 pts) In a 2D indirect collision where e=0.5, in which direction do the velocity components change? A. Horizontal B. Vertical C. X D. Y E. Plane of Contact F. Line of Impact 7. (2 pts) What formula would you use to calculate the force required to compress a linear spring a given distance? A. F = kx B. U = ½kx 2 C. K = ½mv 2 D. F = ma E. Ft = mv 8. (2 pts) If a ball on a track is released from rest at the position shown, will it make it through the loop without leaving the track? A. Yes B. No C. Depends on the radius D. Depends on the friction 9. (2 pts) Assuming no losses, which coaster would have the greater speed at the bottom? A. Coaster 1 B. Coaster 2 C. Both will have the same speed D. Depends on the shape of the hill 10. (2 pts) What is the name of Jimmy Neutron s Dog? A. Lazydog B. Izzy C. Goddard D. Isaac E. Lassie F. Stan Goddard and Jimmy
4 EF 151 Exam #3, Spring, 2014 Page 4 of (16 pts) The Estabrook elevator has an electric motor that consumes 3.14 kw of electricity while raising the elevator and its occupants from the basement to the attic (40 ft height difference). The elevator weighs 500 lb and each of the 3 occupants weighs 160 lb. How long does the trip take if the elevator is 75% efficient? ( 1 W = ft-lb/sec) 12. (16 pts) A 2000 N roller coaster car at the bottom of a 30 m diameter circular loop is moving at 40 m/s. An engine on the coaster provides a constant net driving force of 400 N as it goes through the loop. What is the car s speed at the top of the loop? (neglect losses)
5 EF 151 Exam #3, Spring, 2014 Page 5 of (16 pts) A spring (k = 40 lb/ft) is used to shoot a box full of pies along a horizontal floor (µ k = 0.314) The spring is compressed with an 18 lb force and then it is released. The box slides a total distance of 21 ft (measured from the release point) before it stops. What is the weight of the box? (the box is not attached to the spring). 21 ft 14. (16 pts) A 140 g baseball is struck by a 1.00 kg baseball bat. Assume the ball is moving horizontally at 45 m/s while the bat moves horizontally at 31.4 m/s in the opposite direction. The coefficient of restitution between the two objects is What is the speed of the ball after it is struck?
6 EF 151 Exam #3, Spring, 2014 Page 6 of (16 pts) Two disks sliding on a frictionless surface are moving as shown. The disks have Velcro on their sides so they stick together. What is the velocity of the disks after the collision? (Hint: you do not need to work with the plane of contact/line of impact for this type of collision) 50 g 1.25 m/s 3.14 m/s g
Remove this sheet AFTER the exam starts and place your name and section on the next page.
EF 151 Final Exam, Spring, 2014 Page 1 of 10 Remove this sheet AFTER the exam starts and place your name and section on the next page. Instructions: Guidelines: Do not open the test until you are told
More informationEF 151 Final Exam - Spring, 2016 Page 1 Copy 1
EF 151 Final Exam - Spring, 016 Page 1 Copy 1 Name: Section: Instructions: Sit in assigned seat; failure to sit in assigned seat results in a 0 for the exam. Put name and section on your exam. Put seating
More informationEF 151 Exam #3 - Spring, 2016
Name: Section: Instructions: Sit in assigned seat; failure to sit in assigned seat results in a 0 for the eam. Put name and section on your eam. Put seating label on your equation sheet. Do not open the
More informationEF 151 Exam 4 Fall, 2017 Page 1 Copy 223
EF 151 Exam 4 Fall, 017 Page 1 Copy 3 Name: Section: Before the Exam Starts: Sit in assigned seat; failure to sit in assigned seat results in a 0 for the exam. Put name and section on your exam. Put seating
More informationEF 151 Final Exam, Fall, 2010 Page 1 of 9. EF 151 Final Exam, Fall, 2010 Page 2 of 9
EF 151 Final Exam, Fall, 2010 Page 1 of 9 EF 151 Final Exam, Fall, 2010 Page 2 of 9 Instructions Do not open the exam until instructed to do so. Name, section, and netid will be written on the 1 st page
More informationNotes Momentum. Momentum and Impulse. - The product (multiplication) of an objects mass and velocity is called momentum.
Notes Momentum Momentum and Impulse - The product (multiplication) of an objects mass and velocity is called momentum. Momentum is the energy of motion of an object. Momentum is represented by the letter.
More informationCHAPTER 9 LINEAR MOMENTUM AND COLLISION
CHAPTER 9 LINEAR MOMENTUM AND COLLISION Couse Outline : Linear momentum and its conservation Impulse and Momentum Collisions in one dimension Collisions in two dimension The center of mass (CM) 9.1 Linear
More informationMomentum & Energy Review Checklist
Momentum & Energy Review Checklist Impulse and Momentum 3.1.1 Use equations to calculate impulse; momentum; initial speed; final speed; force; or time. An object with a mass of 5 kilograms is moving at
More information4.) A baseball that weighs 1.6 N leaves a bat with a speed of 40.0 m/s. Calculate the kinetic energy of the ball. 130 J
AP Physics-B Energy And Its Conservation Introduction: Energy is a term that most of us take for granted and use quite freely. We assume we know what we are talking about when speaking of energy. In truth,
More informationExam #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.
More informationMomentum & Energy Review Checklist
Momentum & Energy Review Checklist Impulse and Momentum 3.1.1 Use equations to calculate impulse; momentum; initial speed; final speed; force; or time. An object with a mass of 5 kilograms is moving at
More informationPSI AP Physics I Work and Energy
PSI AP Physics I Work and Energy Multiple-Choice questions 1. A driver in a 2000 kg Porsche wishes to pass a slow moving school bus on a 4 lane road. What is the average power in watts required to accelerate
More informationImpulse/Momentum And Its Conservation
Impulse/Momentum And Its Conservation Which is easier to stop? Truck, car, bowling ball, or baseball all moving at 30 mph. Baseball -it is the least massive. Baseball at 30 mph or a baseball at 90 mph.
More informationHonor Physics Final Exam Review. What is the difference between series, parallel, and combination circuits?
Name Period Date Honor Physics Final Exam Review Circuits You should be able to: Calculate the total (net) resistance of a circuit. Calculate current in individual resistors and the total circuit current.
More informationEF 151 Exam #2 - Fall, 2017 Page 1 Copy 1
EF 151 Exam #2 - Fall, 2017 Page 1 Copy 1 Name: Section: Before the Exam Starts: Sit in assigned seat; failure to sit in assigned seat results in a 0 for the exam. Put name and section on your exam. Put
More informationName: Class: Date: so sliding friction is better so sliding friction is better d. µ k
Name: Class: Date: Exam 2--PHYS 101-F08 Multiple Choice Identify the choice that best completes the statement or answers the question. 1. You put your book on the seat next to you. When the bus stops,
More informationEF 151 Exam #4 - Spring, 2016 Page 1 Copy 205
EF 151 Exam #4 - Spring, 016 Page 1 Copy 05 Name: Section: Instructions: Sit in assigned seat; failure to sit in assigned seat results in a 0 for the exam. Put name and section on your exam. Put seating
More informationHomework #5. Ph 231 Introductory Physics, Sp-03 Page 1 of 4
Homework #. Ph Introductory Physics, Sp-0 Page of -A. A 7 kg block moves in a straight line under the influence of a force that varies with position as shown in the figure at the right. If the force is
More informationExam 2--PHYS 101--F11--Chapters 4, 5, & 6
ame: Exam 2--PHYS 101--F11--Chapters 4, 5, & 6 Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Consider this figure. What is the normal force acting on
More informationIf there is now a constant air resistance force of 35 N, what is the new maximum height the ball attains?
A 1kg ball is launched straight up into the air with an initial speed of 64 m/s. Using only energy considerations, determine the maximum height the ball attains assuming there is no air resistance. If
More informationInaugural University of Michigan Science Olympiad Invitational Tournament. Hovercraft
Inaugural University of Michigan Science Olympiad Invitational Tournament Test length: 50 Minutes Hovercraft Team number: Team name: Student names: Instructions: Do not open this test until told to do
More informationEF 151 Final Exam, Fall, 2011 Page 1 of 11
EF 5 Final Exam, Fall, 0 Page of Instructions Do not open or turn over the exam until instructed to do so. Name, and section will be written on the st page of the exam after time starts. Do not leave your
More informationEF 151 Final Exam, Fall, 2015 Page 3 of 10
EF 151 Final Exam, Fall, 2015 Page 3 of 10 Name: Multiple choice questions: 1 point each 1. The acceleration of gravity in mile/min 2 is: a. 1.69x10-6 mile/min 2 b. 21.9 mile/min 2 c. 47.2 mile/min 2 d.
More information10/11/11. Physics 101 Tuesday 10/11/11 Class 14" Chapter " Inelastic collisions" Elastic collisions" Center of mass"
Consider the following situations and possible isolated systems: Physics 101 Tuesday Class 14" Chapter 9.5 9.7" Inelastic collisions" Elastic collisions" Center of mass" Two cars on an icy road collide.
More informationFaculty of Engineering and Department of Physics Engineering Physics 131 Final Examination Saturday April 21, 2018; 14:00 pm 16:30 pm
Faculty of Engineering and Department of Physics Engineering Physics 131 Final Examination Saturday April 21, 2018; 14:00 pm 16:30 pm 1. Closed book exam. No notes or textbooks allowed. 2. Formula sheets
More informationFinal Exam April 26, 2016
PHYS 050 Spring 016 Name: Final Exam April 6, 016 INSTRUCTIONS: a) No books or notes are permitted. b) You may use a calculator. c) You must solve all problems beginning with the equations on the Information
More informationCircle correct course: PHYS 1P21 or PHYS 1P91 BROCK UNIVERSITY
Tutorial #: Circle correct course: PHYS 1P21 or PHYS 1P91 Name: Student #: BROCK UNIVERSITY Test 7: November 2015 Number of pages: 5 Course: PHYS 1P21/1P91 Number of students: 218 Examination date: 17
More informationhttps://njctl.org/courses/science/ap-physics-c-mechanics/attachments/summerassignment-3/
AP Physics C Summer Assignment 2017 1. Complete the problem set that is online, entitled, AP C Physics C Summer Assignment 2017. I also gave you a copy of the problem set. You may work in groups as a matter
More informationCenter of Mass & Linear Momentum
PHYS 101 Previous Exam Problems CHAPTER 9 Center of Mass & Linear Momentum Center of mass Momentum of a particle Momentum of a system Impulse Conservation of momentum Elastic collisions Inelastic collisions
More informationPotential Energy & Conservation of Energy
PHYS 101 Previous Exam Problems CHAPTER 8 Potential Energy & Conservation of Energy Potential energy Conservation of energy conservative forces Conservation of energy friction Conservation of energy external
More informationDynamics 4600:203 Homework 09 Due: April 04, 2008 Name:
Dynamics 4600:03 Homework 09 Due: April 04, 008 Name: Please denote your answers clearly, i.e., box in, star, etc., and write neatly. There are no points for small, messy, unreadable work... please use
More informationPhysics 218 Exam III
Physics 218 Exam III Spring 2018 (all UP sections) April 16 th, 2018 Rules of the exam: Please fill out the information and read the instructions below, but do not open the exam until told to do so. 1.
More informationPHYSICS 231 INTRODUCTORY PHYSICS I
PHYSICS 231 INTRODUCTORY PHYSICS I Lecture 8 Last Lecture Work for nonconstant force F x Spring force F =!kx x Potential Energy of Spring PE = 1 2 kx2 Power P = "W "t P = Fv = "KE "t Chapter 6 Momentum
More informationAP 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
More information(D) Based on Ft = m v, doubling the mass would require twice the time for same momentum change
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, what time would be required to stop a car of mass m traveling
More information---- WITH SOLUTIONS ----
PHYS 101 MIDTERM October 24 th, 2008 ---- WITH SOLUTIONS ---- The exam comprises two parts: 8 short-answer questions, and 4 problems. A formula sheet is attached to the back of the exam. Calculators are
More informationMomentum, Impulse, Work, Energy, Power, and Conservation Laws
Momentum, Impulse, Work, Energy, Power, and Conservation Laws 1. Cart A has a mass of 2 kilograms and a speed of 3 meters per second. Cart B has a mass of 3 kilograms and a speed of 2 meters per second.
More informationAcademic Physics! Work and Momentum Summary! Name
Academic Physics! Work and Summary! Name 1. A child with a mass of 23kg rides a bike with a mass of 5.5 kg at a velocity of 4.5 m/s to the south. Compare the momentum of the child and the momentum of the
More informationMULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
PH105-007 Exam 2 VERSION A Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) A 1.0-kg block and a 2.0-kg block are pressed together on a horizontal
More informationMomentum Practice Test
Momentum Practice Test Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Which of the following equations can be used to directly calculate an object s momentum,
More informationMomentum in 1-Dimension
Momentum in 1-Dimension Level : Physics I Date : Warm-up Questions If you were in a car that was out of control and had to choose between hitting a concrete wall or a haystack to stop, which would you
More informationThe 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 informationv (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 informationSometimes (like on AP test) you will see the equation like this:
Work, Energy & Momentum Notes Chapter 5 & 6 The two types of energy we will be working with in this unit are: (K in book KE): Energy associated with of an object. (U in book PE): Energy associated with
More informationPhysics 2101, Exam #2, Spring 2010
Physics 2101, Exam #2, Spring 2010 March 3, 2010 Name: ID#: Section: (Circle one) 1 (Rupnik, MWF 8:40 AM) 5 (Jin, TTh 12:10) 2 (Rupnik, MWF 10:40 AM) 6 (González, TTh 4:40) 3 (Zhang, MWF 12:40 PM) 7(Sprunger,
More informationUniversity of Houston Mathematics Contest: Physics Exam 2017
Unless otherwise specified, please use g as the acceleration due to gravity at the surface of the earth. Vectors x, y, and z are unit vectors along x, y, and z, respectively. Let G be the universal gravitational
More information3. 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 informationMomentum, Impulse, Work, Energy, Power, and Conservation Laws
Momentum, Impulse, Work, Energy, Power, and Conservation Laws 1. Cart A has a mass of 2 kilograms and a speed of 3 meters per second. Cart B has a mass of 3 kilograms and a speed of 2 meters per second.
More informationFinal Review. If a car has 3,000kg-m/s of momentum, and a mass of 1,000kg. How fast is it moving? A ball that has momentum must also have energy.
Physics Name: Date: Period: Final Review Write the appropriate formulas with all units below. Impulse Momentum Conservation of Momentum Rank these in order from least to most momentum:.01kg mass moving
More information1. Closed Book. Only 2 sheets of paper (double sided) allowed. 2. Put final answers into the boxes provided. Show essential work next to box.
Phys121/S10/Hassam/Final Name: Signature: Seat Number: 1. Closed Book. Only 2 sheets of paper (double sided) allowed 2. Put final answers into the boxes provided. Show essential work next to box. 3. Express
More informationPhysics 180A Test Points
Physics 180A Test 2-120 Points Name 1) Describe each situation and fill in the blanks to the diagram below. There are 4 situations and 8 blanks. (12 pts) 2) A crate slides up an inclined ramp and then
More informationPES Physics 1 Practice Questions Exam 2. Name: Score: /...
Practice Questions Exam /page PES 0 003 - Physics Practice Questions Exam Name: Score: /... Instructions Time allowed for this is exam is hour 5 minutes... multiple choice (... points)... written problems
More informationUnit 7, 8, 9 Physics Review
Unit 7, 8, 9 Physics Review 1. A 2 kg mass is held 4 m above the ground. What is the approximate potential energy due to gravity of the mass with respect to the ground? a. 20 J. b. 40 J. c. 60 J. d. 80
More informationMomentum, Work and Energy Review
Momentum, Work and Energy Review 1.5 Momentum Be able to: o solve simple momentum and impulse problems o determine impulse from the area under a force-time graph o solve problems involving the impulse-momentum
More informationPHYSICS 221 Fall 2016 EXAM 2: November 02, :15pm 10:15pm. Name (printed): Recitation Instructor: Section #:
PHYSICS 221 Fall 2016 EXAM 2: November 02, 2016 8:15pm 10:15pm Name (printed): Recitation Instructor: Section #: INSTRUCTIONS: This exam contains 25 multiple-choice questions, plus 2 extra-credit questions,
More information(1) +0.2 m/s (2) +0.4 m/s (3) +0.6 m/s (4) +1 m/s (5) +0.8 m/s
77777 77777 Instructor: Biswas/Ihas/Whiting PHYSICS DEPARTMENT PHY 2053 Exam 2, 120 minutes November 13, 2009 Name (print, last first): Signature: On my honor, I have neither given nor received unauthorized
More informationis acting on a body of mass m = 3.0 kg and changes its velocity from an initial
PHYS 101 second major Exam Term 102 (Zero Version) Q1. A 15.0-kg block is pulled over a rough, horizontal surface by a constant force of 70.0 N acting at an angle of 20.0 above the horizontal. The block
More informationThinking about collisions (L8)
Thinking about collisions (L8) collisions can be very complicated two objects bang into each other and exert strong forces over short time intervals fortunately, even though we usually do not know the
More informationName ID Section. 1. One mile is equal to 1609 m; 1 hour is equal to 3600 s. The highway speed limit of 65 mph is equivalent to the speed of:
The exam is closed book and closed notes. There are 30 multiple choice questions. Make sure you put your name, section, and ID number on the SCANTRON form. The answers for the multiple choice Questions
More informationLecture 18. Newton s Laws
Agenda: l Review for exam Lecture 18 l Assignment: For Monday, Read chapter 14 Physics 207: Lecture 18, Pg 1 Newton s Laws Three blocks are connected on the table as shown. The table has a coefficient
More informationPractice 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 informationPHYSICS 221 SPRING 2015
PHYSICS 221 SPRING 2015 EXAM 2: April 2, 2015 8:15-10:15pm Name (printed): Recitation Instructor: Section # INSTRUCTIONS: This exam contains 25 multiple-choice questions plus 2 extra credit questions,
More informationAn astronaut of mass 80 kg pushes away from a space Both!p x
Chapter 6 Momentum Collisions Definition: Momentum Important because it is CONSERVED proof: p = m v F = m v t = p t Ft = p Since F 12 =-F 21, p 1 + p 2 = 0 p i for isolated particles never changes Vector
More informationEXAM 3 SOLUTIONS. NAME: SECTION: AU Username: Read each question CAREFULLY and answer all parts. Work MUST be shown to receive credit.
EXAM 3 SOLUTIONS NAME: SECTION: AU Username: Print your name: Printing your name above acknowledges that you are subject to the AU Academic Honesty Policy Instructions: Read each question CAREFULLY and
More informationSlide 1 / 76. Work & Energy Multiple Choice Problems
Slide 1 / 76 Work & Energy Multiple Choice Problems Slide 2 / 76 1 A driver in a 2000 kg Porsche wishes to pass a slow moving school bus on a 4 lane road. What is the average power in watts required to
More informationEnergy Whiteboard Problems
Energy Whiteboard Problems 1. (a) Consider an object that is thrown vertically up into the air. Draw a graph of gravitational force vs. height for that object. (b) Based on your experience with the formula
More informationPart I Review Unit Review Name Momentum and Impulse
Part I Review Unit Review Name Momentum and Impulse 1. A 5.00-kilogram block slides along a horizontal, frictionless surface at 10.0 meters per second for 4.00 seconds. The magnitude of the block's momentum
More informationPart Two: Earlier Material
Part Two: Earlier Material Problem 1: (Momentum and Impulse) A superball of m 1 = 0.08kg, starting at rest, is dropped from a height falls h 0 = 3.0m above the ground and bounces back up to a height of
More information= 1 2 kx2 dw =! F! d! r = Fdr cosθ. T.E. initial. = T.E. Final. = P.E. final. + K.E. initial. + P.E. initial. K.E. initial =
Practice Template K.E. = 1 2 mv2 P.E. height = mgh P.E. spring = 1 2 kx2 dw =! F! d! r = Fdr cosθ Energy Conservation T.E. initial = T.E. Final (1) Isolated system P.E. initial (2) Energy added E added
More informationAAPT UNITED STATES PHYSICS TEAM AIP 2015
215 F = ma Exam 1 AAPT UNITED STATES PHYSICS TEAM AIP 215 215 F = ma Contest 25 QUESTIONS - 75 MINUTES INSTRUCTIONS DO NOT OPEN THIS TEST UNTIL YOU ARE TOLD TO BEGIN Use g = 1 N/kg throughout this contest.
More informationPhysics Pre-comp diagnostic Answers
Name Element Physics Pre-comp diagnostic Answers Grade 8 2017-2018 Instructions: THIS TEST IS NOT FOR A GRADE. It is to help you determine what you need to study for the precomps. Just do your best. Put
More informationKINETIC 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?
More informationPlease circle the name of your instructor: EB01: Beamish EB02: Fenrich EB03: Ruhl. EB04: Rahman EB05: Nedie EB06: Ropchan LAST NAME: FIRST NAME: ID#:
Faculty of Engineering and Department of Physics ENPH 131 Final Examination Saturday, April 20, 2013; 2:00 pm 4:30 pm Universiade Pavilion Section EB01 (BEAMISH): Rows 1, 3, 5(seats 1-45) Section EB02
More information(A) 10 m (B) 20 m (C) 25 m (D) 30 m (E) 40 m
Work/nergy 1. student throws a ball upward where the initial potential energy is 0. t a height of 15 meters the ball has a potential energy of 60 joules and is moving upward with a kinetic energy of 40
More information1. A 1,160-kg car traveling initially with a speed of 25.0 m/s in an easterly direction crashes into the rear end of a
Collisions Worksheet Honors: Name: Date: 1. A 1,160-kg car traveling initially with a speed of 25.0 m/s in an easterly direction crashes into the rear end of a 9,900-kg truck moving in the same direction
More informationEXAM 3 MECHANICS 40% of the final grade
EXAM 3 MECHANICS 40% of the final grade Winter 2018 Name: Each multiple-choice question is worth 2 marks. 1. The mass of the two wheels shown in the diagram is the same. A force of 1 N is exerted on the
More informationAP Physics C. Momentum. Free Response Problems
AP Physics C Momentum Free Response Problems 1. A bullet of mass m moves at a velocity v 0 and collides with a stationary block of mass M and length L. The bullet emerges from the block with a velocity
More informationMomentum Conceptual Questions. 1. Which variable has more impact on an object s motion? Its mass or its velocity?
AP Physics I Momentum Conceptual Questions 1. Which variable has more impact on an object s motion? Its mass or its velocity? 2. Is momentum a vector or a scalar? Explain. 3. How does changing the duration
More information2 possibilities. 2.) Work is done and... 1.) Work is done and... *** The function of work is to change energy ***
Work-Energy Theorem and Energy Conservation *** The function of work is to change energy *** 2 possibilities 1.) Work is done and... or 2.) Work is done and... 1 EX: A 100 N box is 10 m above the ground
More informationPHYSICS 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.
More information1 kg. 10,000 kg. 1 Page. Momentum is a vector so it has a magnitude and a velocity. Its magnitude is the product of its mass and velocity, p = mv.
Momentum The momentum of a single object is simply equal to the product of its mass and its velocity. The symbol for momentum is p. Since mass is a scalar and velocity is a vector, momentum is also a vector.
More informationA) 4.0 m/s B) 5.0 m/s C) 0 m/s D) 3.0 m/s E) 2.0 m/s. Ans: Q2.
Coordinator: Dr. W. Al-Basheer Thursday, July 30, 2015 Page: 1 Q1. A constant force F ( 7.0ˆ i 2.0 ˆj ) N acts on a 2.0 kg block, initially at rest, on a frictionless horizontal surface. If the force causes
More informationPhysics 107: Ideas of Modern Physics
1 Physics 107: Ideas of Modern Physics Exam 1 Feb. 8, 2006 Name ID # Section # On the Scantron sheet, 1) Fill in your name 2) Fill in your student ID # (not your social security #) 3) Fill in your section
More informationPROBLEM 2 10 points. [ ] increases [ ] decreases [ ] stays the same. Briefly justify your answer:
PROBLEM 2 10 points A disk of mass m is tied to a block of mass 2m via a string that passes through a hole at the center of a rotating turntable. The disk rotates with the turntable at a distance R from
More informationSlide 1 / 76. Slide 2 / 76. Slide 3 / 76. Work & Energy Multiple Choice Problems A 1,800 B 5,000 E 300,000. A Fdcos θ - μ mgd B Fdcos θ.
Slide 1 / 76 Work & nergy Multiple hoice Problems 1 driver in a 2000 kg Porsche wishes to pass a slow moving school bus on a 4 lane road. What is the average power in watts required to accelerate the sports
More informationExam 3--PHYS 101--F15
Name: Exam 3--PHYS 0--F5 Multiple Choice Identify the choice that best completes the statement or answers the question.. It takes 00 m to stop a car initially moving at 25.0 m/s. The distance required
More informationName: Class: Date: p 1 = p 2. Given m = 0.15 kg v i = 5.0 m/s v f = 3.0 m/s Solution
Assessment Chapter Test A Teacher Notes and Answers Momentum and Collisions CHAPTER TEST A (GENERAL) 1. c 2. c 3. b 4. c 5. a p i = 4.0 kg m/s p f = 4.0 kg m/s p = p f p i = ( 4.0 kg m/s) 4.0 kg m/s =
More informationWork Done by a Constant Force
Work and Energy Work Done by a Constant Force In physics, work is described by what is accomplished when a force acts on an object, and the object moves through a distance. The work done by a constant
More informationWelcome back to Physics 211
Welcome back to Physics 211 Today s agenda: Circular motion Impulse and momentum 08-2 1 Current assignments Reading: Chapter 9 in textbook Prelecture due next Thursday HW#8 due NEXT Friday (extension!)
More informationSMART CART CONSERVATION OF MOMENTUM
NAME PERIOD DATE SMART CART CONSERVATION OF MOMENTUM Driving Question Objective How is the momentum and kinetic energy of a two-object system affected by a collision? Experimentally demonstrate that linear
More informationPHYSICS 221 Fall 2013 EXAM 2: November 6, :15pm 10:15pm. Name (printed): Recitation Instructor: Section #:
PHYSICS 221 Fall 2013 EXAM 2: November 6, 2013 8:15pm 10:15pm Name (printed): Recitation Instructor: Section #: INSTRUCTIONS: This exam contains 25 multiple choice questions, plus two extra credit questions,
More informationWhen this bumper car collides with another car, two forces are exerted. Each car in the collision exerts a force on the other.
When this bumper car collides with another car, two forces are exerted. Each car in the collision exerts a force on the other. Newton s Third Law Action and Reaction Forces The force your bumper car exerts
More informationDepartment of Physics
Department of Physics PHYS101-051 FINAL EXAM Test Code: 100 Tuesday, 4 January 006 in Building 54 Exam Duration: 3 hrs (from 1:30pm to 3:30pm) Name: Student Number: Section Number: Page 1 1. A car starts
More informationa) Calculate the moment of inertia of the half disk about the z-axis. (The moment of inertia of a full disk
4-[5 pts.] A thin uniform half disk having mass m, radius R is in the x-y plane and it can rotate about the z-axis as shown in the figure (z-axis is out of page). Initially, the half disk is positioned
More informationChapter 7. Impulse and Momentum
Chapter 7 Impulse and Momentum Chaper 6 Review: Work and Energy Forces and Displacements Effect of forces acting over a displacement Work W = (F cos)s Work changes the Kinetic Energy of a mass Kinetic
More informationPage 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(35+70) 35 g (m 1+m 2)a=m1g a = 35 a= =3.27 g 105
Coordinator: Dr. W. L-Basheer Monday, March 16, 2015 Page: 1 Q1. 70 N block and a 35 N block are connected by a massless inextendable string which is wrapped over a frictionless pulley as shown in Figure
More informationAAPT UNITED STATES PHYSICS TEAM AIP 2017
2017 F = ma Exam 1 AAPT UNITED STATES PHYSICS TEAM AIP 2017 2017 F = ma Contest 25 QUESTIONS - 75 MINUTES INSTRUCTIONS DO NOT OPEN THIS TEST UNTIL YOU ARE TOLD TO BEGIN Use g = 10 N/kg throughout this
More informationAP 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 informationPSI AP Physics I Momentum
PSI AP Physics I Momentum Multiple-Choice questions 1. A truck moves along a frictionless level road at a constant speed. The truck is open on top. A large load of gravel is suddenly dumped into the truck.
More information