# Answer to Question #27524 in Mechanics | Relativity for hem raj

Question #27524

A circular disc rotates on a thin air film with a period of 0.3 s. Its moment of inertia about its axis

of rotation is 0.06 kg m2. A small mass is dropped onto the disc and rotates with it. The moment

of inertia of the mass about the axis of rotation is 0.04 kg m2. Determine the final period of the

rotating disc and mass.

of rotation is 0.06 kg m2. A small mass is dropped onto the disc and rotates with it. The moment

of inertia of the mass about the axis of rotation is 0.04 kg m2. Determine the final period of the

rotating disc and mass.

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