Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
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Textbook Question
Chapter 17.2, Problem 1bTH
In each question below, consider the balls just before they reach the floor.
i. Is the magnitude of the momentum of ball B greater than, less than, or equal to the magnitude of the momentum of ball A Explain your reasoning.
ii. Is the kinetic energy of ball B greater than, less than, or equal to the kinetic energy of ball A? Explain your reasoning.
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A 5 kg sphere moves at 5m/s in the +x
direction and hits a 2kg stationary
ball at the origin. After the spheres
collide, the lighter ball has a final
velocity of 3.6m/s directed 49
degrees from the x axis as shown in
the image below.
1. Figure out the speed (v') and
direction (theta) of the heavier
ball after the collision
2. Is the collision elastic or
inelastic? Explain your answer in
3 sentences or less.
5 kg
5 m/s
2 kg
To
49°
3.6 m/s
I
Use the following scenario for questions 3-5.
Cart 1 (m = 5.0 kg) is traveling to the right with a velocity of 3.0 m/s when it collides elastically with cart 2 (m = 10 kg).
Cart 2 was motionless prior to the collision. Cart 1 is motionless after the collision.
3. Calculate the magnitude of momentum that was transferred to cart 2 during the collision?
A. 0.0 kg*m/s.
B. 5.0 kg*m/s
C. 7.5 kg*m/s
D. 15 kg*m/s
minate Education TM, Inc.
Solve problem 1, 2 and 3. Solve what is asked on the problem. Show your complete and detailed solutions.
1. A 2.4-kg ball falling vertically hits the floor with a speed of 2.5 m/s and rebounds with a speed of 1.5 m/s. What is the magnitude of the impulse exerted on the ball by the floor?
2. A 4.0-kg particle is moving horizontally with a speed of 5.0 m/s when it strikes a vertical wall. The particle rebounds with a speed of 3.0 m/s. What is the magnitude of the impulse delivered to the particle?
3. A 10 kg mass traveling 2 m/s meets and collides elastically with a 2 kg mass traveling 4 m/s in the opposite direction. Find the final velocities of both objects.
Chapter 17 Solutions
Tutorials in Introductory Physics
Ch. 17.1 - 1. A hand pushes two blocks, block A and block B,...Ch. 17.1 - Prob. 1bTHCh. 17.1 - Prob. 1cTHCh. 17.1 - 1. A hand pushes two blocks, block A and block B,...Ch. 17.1 - Draw and label arrows on the diagram at points AG...Ch. 17.1 - For points B, D, and G, determine whether the...Ch. 17.1 - In the space provided, sketch a freebody diagram...Ch. 17.1 - Is the net work done on the block positive,...Ch. 17.1 - Consider reference frame R, moving downward with...Ch. 17.1 - List the forces exerted on the block after it has...
Ch. 17.1 - Write an expression for the net work done on the...Ch. 17.1 - Prob. 5aTHCh. 17.1 - Prob. 5bTHCh. 17.1 - Prob. 5cTHCh. 17.1 - Suppose the block in the previous problem were...Ch. 17.2 - In each question below, consider the interval that...Ch. 17.2 - In each question below, consider the balls just...Ch. 17.2 - When puck 1 crosses the second dotted line, is...Ch. 17.2 - When puck 1 crosses the second dotted line, is the...Ch. 17.2 - When puck 1 crosses the second dotted line, is the...Ch. 17.3 - When puck 1 cross second dotted line, is puck 2 to...Ch. 17.3 - Draw an arrow for each glider to represent the...Ch. 17.3 - Consider the following incorrect statement:...Ch. 17.3 - A firecracker is at rest on a frictionless...Ch. 17.3 - A block slides down a frictionless incline. The...Ch. 17.3 - Suppose the incline in part b is now placed on a...Ch. 17.3 - Two blocks, A and B. are connected by a massless...Ch. 17.3 - Prob. 3aTHCh. 17.3 - Prob. 3bTHCh. 17.3 - Draw momentum vectors of gliders A and B in the...Ch. 17.3 - Prob. 3dTHCh. 17.3 - Use your momentum vectors from part c to determine...Ch. 17.3 - Prob. 3fTHCh. 17.3 - In the table at right, draw the momentum vectors...Ch. 17.3 - Prob. 4bTHCh. 17.3 - Prob. 4cTHCh. 17.3 - Prob. 4dTHCh. 17.3 - Prob. 4eTHCh. 17.3 - Prob. 4fTHCh. 17.4 - In the space provided, draw separate arrows...Ch. 17.4 - Prob. 1bTHCh. 17.4 - In the space provided, draw separate arrows for...Ch. 17.4 - Prob. 2bTHCh. 17.4 - Construct and label a vector showing the initial...Ch. 17.4 - Object A collides on a horizontal frictionless...Ch. 17.4 - On the same horizontal surface, object C collides...Ch. 17.4 - Consider the following incorrect statement:...
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