College Physics
posted by Angela .
A 42kg 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.
The quarter is over but I am still trying to figure out how to do several problems so that I can know for the next physics class. If you can help that would be great!
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