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A ball rolls without slipping. The radiu...

A ball rolls without slipping. The radius of gyration of the ball about an axis passing through its centre of mass is `k`. If radius of the ball be `R`, then the fraction of total energy associated with its rotation will be.

A

`(K^(2))/(K^(2)+R^(2))`

B

`(K^(2))/(R^(2))`

C

`K^(2)+R^(2)`

D

`(R^(2))/(K^(2)+R^(2))`

Text Solution

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The correct Answer is:
A
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