I drop a 60-g golf ball from 2.0 m high.It rebounds to 1.5 m.How much energy is lost?
A)0.29 J
B)0.50 J
C)0.88 J
D)1.0 J

Name: I drop a 60-g golf ball from 2.0 m high.It rebounds to 1.5 m.How much energy is lost? A)0.29 J B)0.50 J C)0.88 J D)1.0 J
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Question

Quizplus · Accepted Answer

The potential energy at 2.0 m is mgh = 0.06 kg * 9.8 m/s² * 2.0 m = 1.176 J. The potential energy at 1.5 m is 0.06 kg * 9.8 m/s² * 1.5 m = 0.882 J. The energy lost is 1.176 J - 0.882 J = 0.294 J, which rounds to 0.29 J.

I Drop a 60-G Golf Ball from 2