anzeller7640 anzeller7640

23-12-2017
Physics

contestada

A 40kg rock is perched atop a cliff that is 50 m high. What is it’s potential energy?

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samuraijack samuraijack

27-12-2017

Potential energy, is energy due to its position.

Given: Mass m = 40 Kg; Height h = 50 m

Required: Potential energy P.E = ?

Formula: P.E = mgh P.E = (40 Kg)(9.8 m/s²)(50 m)

P.E = 19,600 J

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