A thin circular ring of mass m and radius R is rotating about its axis with a constant angular velocity . Two objects each of mass M are attached gently to the opposite ends of a diameter of the ring. The ring now rotates with an angular velocity , which is equal to?

A thin circular ring of mass m and radius R is rotating about its axis

1.	A thin circular ring of mass m and radius R is rotating about its axis with a constant angular velocity . Two objects each of mass M are attached gently to the opposite ends of a diameter of the ring. The ring now rotates with an angular velocity , which is equal to?
A.	m /(m+M)
B.	m /(m+2M)
C.	((m+2m) )/m
D.	((m-2M) )/((m+2M))
Answer» C. ((m+2m) )/m

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A thin circular ring of mass m and radius R is rotating about its axis with a constant angular velocity . Two objects each of mass M are attached gently to the opposite ends of a diameter of the ring. The ring now rotates with an angular velocity , which is equal to?

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