A body of mass m slides down an incline and reaches the bottom with a velocity v, if the same mass were in the form of a ring which rolls down this incline, the velocity of the ring at bottom would have been

Options

(a) v
(b) √2 v
(c) 1 / √2 v
(d) √2/5 v

Correct Answer:

1 / √2 v

Explanation:

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