Answer to Question #39930 in Mechanics | Relativity for prince
a circular disc rotates on a thin air film with a period of 0.3second. its moment of inertia about its axis of rotation is 0.06kg/m*2.a small mass is dropped onto the disc and rotates with it. the moment of inertia of the mass about axis of rotation is 0.04kg/m*2.determine final period of rotating disc and mass?
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