Two bodies A and B of equal masses are kept at heights of h and 2h res – InterviewSolution

1.

Two bodies A and B of equal masses are kept at heights of h and 2h respectively. What will be the ratio of their potential energies?

Answer»

Let the masses of A and B = m

Height of A = h

Height of B = 2h

Potential energy for body A, PE_A = mgh

Potential energy for body B, PE_B = mg2h

Ratio = PE_A : PE_B = (mgh)/(mg2h) = ½

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