A body is kept on a horizontal disc of radius2 m at a distance of Im from the centre. Thecoefficient of friction between the body andthe surface of disc is 0.4. The speed of rotationof the disc at which the body starts slipping is(g = 10 m/s)A) 2 rad/s(B) 4 rad/s(C) 0.2 rad's (D) 0.4 rad/s
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