A stone projected vertically upward with a velocity 'u' reaches a maximum height 'h'. Find the ratio of kinetic energy and potential energy of the stone, when it is at height 3h/4 from the ground..?
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Answer:
1:3
Explanation:
3h/4=mgh-3mgh/4
3h/4=1/4mgh
so the ratio between KE and PE will be
mgh×4/4×3mgh = 1:3
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