Q 1128791601.     A thin ring of mass `2 kg` and radius `0.5 m` is rolling without slipping 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-MIS

(This question may have multiple correct answers)

A the ring has pure rotation about its stationery CoM
B there is no friction between the ring and the ground
C friction between the ring and the ground is to the left
D the ring comes to a complete stop

HINT

Angular impulse = Change in angular momentum

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