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The speed of a homogeneous solid sphere ...

The speed of a homogeneous solid sphere after rolling down an inclined plane of vertical height h from rest without sliding is

A

`sqrt((10)/(7) gh)`

B

`sqrt(gh)`

C

`sqrt((6)/(5) gh)`

D

`sqrt((4)/(3) gh)`

Text Solution

Verified by Experts

The correct Answer is:
A
`v= sqrt((2gh)/(1+ ""k^(2)//_(R^(2)))) = sqrt((2gh)/(1+ (2)/(5)))= sqrt((10)/(7) gh)`
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