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Questions  

The speed of a homogeneous solid sphere after rolling down an inclined plane of vertical height h from rest without slipping will be

a
10gh7
b
gh
c
65gh
d
43gh

detailed solution

Correct option is A

P.E OF BODY WILL BE CONVERTED INTO KE OF ROLLINGmgh = 710mv2   ⇒  v = 107gh

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