The moment of inertia of a disc is 5 x 10 4 kg m It...
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Physics
The moment of inertia of a disc is 5 x 10 4 kg m It is rotating freely about a vertical axis passing through its centre at a speed of 40 rpm A piece of wax of mass 20 g is attached at a distance of 8 cm from its centre Cal culate its new speed 911700 32 rpm
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