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26-03-2020
Physics

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An 80 kilogram rock at the edge of a 10 meter cliff has what potential energy of joules?

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ednorobello92 ednorobello92

26-03-2020

Answer: PE = 7840 J

Explanation: Potential Energy is expressed as the product of mass, acceleration due to gravity and height.

PE = mgh

= 80 kg ( 9.8 m/s2) ( 10 m )

= 7840 J

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