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A stone 'X' of mass 2 kg is at the height of 2 m from the ground level
Another similar stone 'Y' of mass 4 kg is at the height of 4 m from the ground
level. What is the difference between their potential energy?
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Answer:
difference between their potential energy is 120J
Explanation:
potential energy is due to position, arrangement or state of an object.
P.E.=mgh
=2×10×2 (g=10m/s^2)
=40J
P.E.=mgh
=4×10×4
=160J
difference between their P.E.=160J-40J
=120J
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