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A small bead of mass  moving with velocity  gets threaded on a stationary semicircular ring of mass  and radius  kept on a horizontal table. The ring can freely rotate about its centre. The bead comes to rest relative to the ring. What will be the final angular velocity of the system?

a)

b)

c)

d)



Question ID - 100511 | SaraNextGen Top Answer

A small bead of mass  moving with velocity  gets threaded on a stationary semicircular ring of mass  and radius  kept on a horizontal table. The ring can freely rotate about its centre. The bead comes to rest relative to the ring. What will be the final angular velocity of the system?

a)

b)

c)

d)

1 Answer
127 votes
Answer Key / Explanation : (c) -

(c)

Using conversation of angular momentum about  we get

127 votes


127