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Physics, 10.02.2021 23:10 supermansabeast

A rock is elevated such that it has 100 J of gravitational potential energy. After it is released, it falls to a height where it only has 30 J of gravitational potential energy. If there is no
friction then its kinetic energy would be?
A. 30j. B. 70j. C.100j

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A rock is elevated such that it has 100 J of gravitational potential energy. After it is released,...
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