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Potential Energy

Two balls of ...

Question

Two balls of mass 'm' each are raised to height ''h' and 2h respectively . What will be the ratio of their potential energies?

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Solution

potential energy= mgh

potential energy for object at H= mgH (h= H)

potential energy for object at 2H= mg2H (h=2H)

mgH/ mg2H = 1/2 so, ratio is 1:2

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