Rotational MotionHard

Question

A thin circular ring of mass M and radius r is rotating about its axis with a constant angular velocity ω. The two objects, each of mass m, are attched gently to the opposite ends of a diameter of the ring. The wheel now rotates with an angular velocity

Options

A.ω M/(M + m)
B.ω (M - 2m)/(M + 2m)
C.ω M /(M + 2m)
D.ω(M + 2m)/M

Solution

I1ω1 = I2ω2
∴      ω2 = ω1 ω = ω

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