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

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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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Tryphena 5 years 2021-08-10T06:54:02+00:00 1 Answers 18 views 0

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  1. minhkhoi
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    2021-08-10T06:55:36+00:00
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    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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