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Work, Power & Energy

Section: Physics

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Question : 16

Total: 22

A thin ring of mass 2 kg and radius 0.5 m is rolling without on a horizontal plane with velocity 1 m/s. A small ball of mass 0.1 kg, moving with velocity 20 m/s in the opposite direction hits the ring at a height of 0.75 m and goes vertically up with velocity 10 m/s. Immediately after the collision,

[JEE Adv 2011 P2]

the ring has pure rotation about its stationary CM.
the ring comes to a complete stop.
friction between the ring and the ground is to the left.
there is no friction between the ring and the ground.

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