A thin circular ring of mass M and radius r is rotating about its axis with a constant angular velocity ω. Two objects each of mass m are attached gently to the opposite ends of a diameter of the ring. The ring will now rotate with an angular velocity
(a) ω(M-2m) /(M+2m)
(b) ωM/M+2m)
(c) ωM/M+m
(d) ω(M+2m)/M
Ans. b
(38)
5/5 - (1 vote)
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