What is the potential energy (P.E.) of a rock that weighs 100N that is sitting on top of a hill 200 m high?
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What is the potential energy (P.E.) of a rock that weighs 100N that is sitting on top of a hill 200 m high?
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The potential energy of an object is given by
where:
PE = potential energy
w = weight
h = height
Solving for PE
PE = wh
PE = (100 N)(200 m)
Therefore, the potential energy of the rock is 20,000 J.
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