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 the diameter of the ring. The wheel now rotates with an angular velocity

Question

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 the diameter of the ring. The wheel now rotates with an angular velocity, ωM ( M + m ), ω ( M - 2 m ) ( M + 2 m ), ωM ( M + 2 m ), ω ( M + 2 m ) M

MARKS App · Accepted Answer

I 1 ω 1 = I 2 ω 2 ∴ ω 2 = I 1 I 2 ω = ( M r 2 M r 2 + 2 m r 2 ) ω = ( M M + 2 m ) ω

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