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The radius of a solid sphere I 40 cm. Th...

The radius of a solid sphere I 40 cm. The radius of gyration when the axis of rotation is along a tangent in a plane in cm is

A

`5sqrt(35)`

B

`10 sqrt(35)`

C

`8sqrt(35)`

D

`4sqrt(35)`

Text Solution

Verified by Experts

The correct Answer is:
C
`I_(t)=(7)/(5)mR^(2)=mK^(2)`
`therefore K = sqrt((7)/(5))R`
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