Two hockey pucks slide toward each other on a horizontal table surface with a speed of 6.0m/s. After a head-on collision, an observer claims that the pucks rebound with a speed of 12m/s. Identify the correct statement below. A. If the surface was inclined, then the observation could be valid. B. If potential energy was released to the objects during the collision, then the observation could be true. C. Momentum was not conserved and the observer was wrong. D. If the hockey pucks had different masses, then the observation could be valid. E. If the surface was frictionless (between each puck and the ice), then the observation could be valid.
Two hockey pucks slide toward each other on a horizontal table surface with a speed of 6.0m/s. After a head-on collision, an observer claims that the pucks rebound with a speed of 12m/s. Identify the correct statement below. A. If the surface was inclined, then the observation could be valid. B. If potential energy was released to the objects during the collision, then the observation could be true. C. Momentum was not conserved and the observer was wrong. D. If the hockey pucks had different masses, then the observation could be valid. E. If the surface was frictionless (between each puck and the ice), then the observation could be valid.
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter9: Momentum And Its Conservation
Section: Chapter Questions
Problem 70A
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Question
Two hockey pucks slide toward each other on a horizontal table surface with a speed of 6.0m/s. After a head-on collision, an observer claims that the pucks rebound with a speed of 12m/s. Identify the correct statement below.
A. |
If the surface was inclined, then the observation could be valid. |
|
B. |
If potential energy was released to the objects during the collision, then the observation could be true. |
|
C. |
Momentum was not conserved and the observer was wrong. |
|
D. |
If the hockey pucks had different masses, then the observation could be valid. |
|
E. |
If the surface was frictionless (between each puck and the ice), then the observation could be valid. |
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