isnotsosmart1234 isnotsosmart1234

28-08-2015
Physics

contestada

A rock at the top of a 20 meter tall hill.The rock has a mass of 10 kg. How much potentail energy does it have?

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VictoriaH29 VictoriaH29

30-08-2015

P.E.=mgh
= 10x10x20
=2000J

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