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What is the potential energy of a rock that weighs 100 newtons that is sitting on top of a hill 300 meters high?
Wiki User
∙ 14y ago
Ep = mgh = wh
9.8j
Wiki User
∙ 14y ago
Wiki User
∙ 14y agoU = potential energy = mass * acceleration due to gravity * height U = 20 kg * 9.81 m/s2 * 100 m U = 19,620 Joules
Brenda Butts
9.8j
Jeffry Ortiz
Quinton Schimmel
Anonymous
It would be 30,000 J because PE=w*h. Substituting w with 100 and h with 300, you would multiply those and come out with 30,000.
Anonymous
Hd
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