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14-05-2019
Physics

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A 5 kg rock is 8 m above the ground,Calculate it's energy?

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MathPhys MathPhys

14-05-2019

Answer:

392 J

Explanation:

Gravitational potential energy is:

PE = mgh

where m is mass, g is acceleration of gravity, and h is the height.

PE = (5 kg) (9.8 m/s²) (8 m)

PE = 392 J

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