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in Physics by (84.3k points)
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`

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1 Answer

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by (82.0k points)
Correct Answer - B

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