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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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