Q.
A solid sphere is sliding with a velocity V0 on a rough horizontal surface. Its velocity when it starts pure rolling is
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a
57v0
b
27v0
c
v014
d
5v014
answer is A.
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Detailed Solution
By conservation of angular momentum mv0r=Iω + mvrmv0r=25mr2ω + mvrv0=25rω + v=75v v=rωv=5v07
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