1 answer

A hammer falls off a roof and strikes the ground with a certain amount of kenetic energy

Question:

a hammer falls off a roof and strikes the ground with a certain amount of kenetic energy. if it fell from a roof twice, would its kenetic energy change? explain?

Answers

The kinetic energy gain while it falls would be the same the second time, but all the K.E. gain from the first fall would have become heat..

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