A charging bull elephant with a mass of 5240 kg comes directly toward you with a speed

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A charging bull elephant with a mass of 5240 kg comes directly toward you with a speed of 4.55 m/s. You toss a 0.150-kg rubber ball at the elephant with a speed of 7.81 m/s.

(a) When the ball bounces back toward you, what is its speed?

(b) How do you account for the fact that the ball's kinetic energy has increased?

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Physics

ISBN: 978-0321976444

5th edition

Authors: James S. Walker

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Question Posted: Aug 31, 2017 11:23 AM

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A charging bull elephant with a mass of 5240 kg comes directly toward you with a speed

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A ball and a charging elephant move horizontally toward each other and then an elastic collision occ...View the full answer

Physics

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