A body of mass m slides down an incline and reaches the bottom with a velocity v . If the same mass was in the form of a ring which rolls down this incline, the velocity of the ring at the bottom would have been:
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a
v
b
(2)v
c
v2
d
25v
answer is C.
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Detailed Solution
From COME,12mv2=mghand 12mv21+K2R2=mgh⇒12mv′2(1+1)=12mv2 ⇒ v′=v2