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April 27, 2015

Homework Help: College Physics

Posted by Angela on Friday, March 16, 2012 at 11:26pm.

A 42-kg girl is bouncing on a trampoline. During a certain interval after leaving the surface of the trampoline, her kinetic energy decreases to 220 J from 460 J. How high does she rise during this interval? Neglect air resistance.

Just wondering how to solve this.

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