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7. What is the potential energy of a rock that has a mass of 100 kg that is sitting on top of a hill 300 m high?

User Kosh
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1 Answer

6 votes

Answer:

294000 J or 294 kJ

Step-by-step explanation:

Potential energy is given by:


U=mgh

Where U is potential energy, m is mass, g is acceleration due to gravity, and h is height. Using this equation:


U=100(9.8)(300)\\U=294000

User Eugene Mankovski
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