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When a body is projected vertically up f...

When a body is projected vertically up from ground, the ratio of its potential to kinetic energies at a height .h. above the ground is 3:4. The height above ground at which the ratio of potential to kinetic energies becomes 4:3 is

A

`(4)/(3)h`

B

`(4)/(7)h`

C

`(3)/(7)h`

D

`(7)/(4)h`

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The correct Answer is:
A
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