Questions
Figure shows a hemisphere of radius 4R. A ball of radius R is released from position P. It rolls without slipping along the inner surface of the hemisphere. Linear speed of its centre of mass when the ball is at position Q, is:
detailed solution
Correct option is A
From COME, mg(4R−R)=12mv21+25⇒3mgR=710mv2⇒v=30gR7Talk to our academic expert!
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