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

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

A

`(omegaM)/(M+m)`

B

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

C

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

D

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

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The correct Answer is:
B
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HC VERMA-ROTATIONAL MECHANICS-Objective 1
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  11. A cubical block of mass M and edge a slides down a rougg inclined plan...

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  14. The centre of a wheel rolling on a plaen surface moves with a speed v0...

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  15. A wheel of radius 20 cm is pushed ot move it on a rough horizontal sur...

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  16. The angular velocity of the engine (and hence of the wheel) on a scoot...

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  17. A solid sphere a hollow sphere and a disc all having same mass and rad...

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  18. A solid sphere, a ring and a disc all having same mass and radius are ...

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