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

Question

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, v, 2 v, v 2, 2 5 v

MARKS App · Accepted Answer

When body slides, v = 2 g h ....(1) When ring rolls, v ′ = 2 g h 1 + k 2 / r 2 = 2 g h 2 = v 2

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