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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

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

C

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

D

`k^(2)/R^(2)`

Text Solution

Verified by Experts

The correct Answer is:
a
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