Question

A body is projected vertically up with certain velocity. At a point 'P' in its path, the ratio of its potential to kinetic energies is 9:16. The ratio of velocity of projection to velocity at 'P' is,

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Answer:

At a point 'P' in its path, the ratio of its potential to kinetic energies is 9 : 16. The ratio of velocity of projection to velocity at 'p'is, 1) 3:4 2) 5:4 3) 9:25 4) 25: 16.