A thin circular ring of mass M and radiu...

A thin circular ring of mass `M` and radius `R` is rotating in a horizontal plane about an axis vertical to its plane with a constant angular velocity `omega`. If two objects each of mass `m` be attached gently to the opposite ends of a diameter of the ring, the ring will then rotate with an angular velocity

`(omega(M-2m))/(M+2m)`

`omegaM(M-m)`

`(omega(M+2m))/(M)`

`(omegaM)/(M+2m)`

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