Physics
7th Edition
ISBN: 9780321929013
Author: Douglas C. Giancoli
Publisher: PEARSON
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Chapter 7, Problem 39P
Car A hits car B (initially at rest and of equal mass) from behind while going 38 m/s. Immediately after the collision, car B moves forward at 15 m/s and car A is at rest. What fraction of the initial kinetic energy is lost in the collision?
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