A hammer falls off a roof and strikes the ground with a certain kinetic energy. If it fell from a roof twice as tall, how ouwld its kinetic energy compare? Explain.

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asked Jan 25, 2020 186k views

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Dominic Goulet · Answer 1 · 2020-01-30T00:18:50+0000

If it starts from twice the height, then it has twice the potential energy up there. This means it'll have twice the kinetic energy when it hits the ground.

A hammer falls off a roof and strikes the ground with a certain kinetic energy. If it fell from a roof twice as tall, how ouwld its kinetic energy compare? Explain.

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