A thin ring of mass 2 kg and radius 0.5 m is rolling without slipping on a horizontal plane with velocity 1 m/sec. A small ball of mass 0.1 kg, moving with velocity 20 m/sec in the opposite direction hits the ring at a height of 0.75 m and goes vertically up with velocity 10 m/sec. Immediately after the collision
Text Solution
Verified by ExpertsThe correct answer is:
A
Momentum along horizontal direction before collision,
and a , final horizontal momentum of the ball is zero, Then so will b 
of ring. Thus the ring will stop translating an 
continue rotating just after the collision.
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