Question

9. A uniform disc rotating freely about a vertical axis passing through its centre makes 90 rpm. A small piece of wax of mass 10g falls vertically on the disc and sticks to it at a distance of 5 cm from its axis. If the frequency is thus reduced to 60rpm, find the moment of Inertia of the disc.

Answer 1

Answer:

5x10^-5 kg-m^2

Explanation:

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