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A spherical body of radius R is allowed ...

A spherical body of radius R is allowed to roll down on an incline with out slipping and it recheas with a speed `v_(0)` at the bottom. The incline is then made smooth by waxing and the body is allowed top slide without rolling and now the speed attained is `(5)/(4)v_(0)` The radius of gyration of the body about an axis passing through the centre is

A

`(4)/(3)R`

B

`(3)/(4)R`

C

`(5)/(2)R`

D

`(2)/(5)R`

Text Solution

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The correct Answer is:
B
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