Two cars (A and B) of equal mass have an elastic collision. Prior to the collision, car A is moving at 20 m/s in the +x-direction, and car B is moving at 10 m/s in the –x-direction.   A. Assuming that both cars continue moving along the x-axis after the collision, what will be the velocity (m/s) of car A after the collision?   B. Assuming that both cars continue moving along the x-axis after the collision, what will be the velocity (m/s) of car B after the collision?

Glencoe Physics: Principles and Problems, Student Edition
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ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter9: Momentum And Its Conservation
Section: Chapter Questions
Problem 70A
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Two cars (A and B) of equal mass have an elastic collision. Prior to the collision, car A is moving at 20 m/s in the +x-direction, and car B is moving at 10 m/s in the –x-direction.

 
A. Assuming that both cars continue moving along the x-axis after the collision, what will be the velocity (m/s) of car A after the collision?
 
B. Assuming that both cars continue moving along the x-axis after the collision, what will be the velocity (m/s) of car B after the collision?
    
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