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 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}-2 {\m})}/{ {\M}+2 {\m}}

AIPMT 2009 Physics and Chemistry Paper

Question : 9 of 100

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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 ω, If two objects each mass m be attached gently to the opposite ends of a diameter of the ring, the ring, will then rotate with an angular velocity :

‌
ωM
M+m
‌
ω(M−2m)
M+2m
‌
ωM
M+2m
‌
ω(M+2m)
M

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