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

A thin circular ring of mass M and radius r is rotating about its axis with an angular speed `omega`. Two particles having mass m each are now attached at diametrically opposite points. The angular speed of the ring will become

`(omegaM)/(m+M)`

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

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

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

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