The radius of gyration of a disc of mass 100 g and radius 5 cm about an axis passing through its centre of gravity and perpendicular to the plane isA. 0.5 cmB. 2.5 cmC. 3.54 cmD. 6.54 cm

The radius of gyration of a disc of mass 100 g and radius 5 cm about a

1.	The radius of gyration of a disc of mass 100 g and radius 5 cm about an axis passing through its centre of gravity and perpendicular to the plane isA. 0.5 cmB. 2.5 cmC. 3.54 cmD. 6.54 cm
Answer» Correct Answer - C `K = (R )/(sqrt(2))= R xx 0.707 = 3.535 cm`.

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The radius of gyration of a disc of mass 100 g and radius 5 cm about an axis passing through its centre of gravity and perpendicular to the plane isA. 0.5 cmB. 2.5 cmC. 3.54 cmD. 6.54 cm

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