## Physics: Principles with Applications (7th Edition)

Published by Pearson

# Chapter 7 - Linear Momentum - Questions: 8

Yes.

#### Work Step by Step

By definition, in a perfectly elastic collision, KE is conserved. If we ignore the incredibly small kinetic energy given to the Earth by the collision, the ball has the same KE just after the bounce as it had just before the bounce. This KE is transformed back into gravitational potential energy, so it will rebound to the same original height.

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