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A uniform ring placed on a rough horizon...

A uniform ring placed on a rough horizontal surface is given a sharp impulse as shown in the figure-5.130. As a consequence, it acquires a linear velocity of 2m/s. If coefficient of friction between the ring and the horizontal surface is 0.4 :

A

Ring wil lstart pure rolling afler O.25s

B

When ring will start pure rolling its .velocity is 1m//s

C

After 0.5s from impulse its velocity is 1m//s.

D

After0.125 s from impulse its velocity is 1m//s.

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