Physics, 29.01.2021 17:40, dreaaacx

A rock is hanging off the edge of a mountain, about to fall. It is 420 meters up and has a mass of 17 kg. Gravity is still 9.8 m/s2. What is the potential
energy? PE=mgh

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A rock is hanging off the edge of a mountain, about to fall. It is 420 meters up and has a mass of...