91. The total kinetic energy of a body of mass 10 kg and radius 0.5 m moving with a velocity of 2 m/s without slipping is 32.8 joule. The radius of gyration of the body is
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May 19, 2022
(a) 0.25 m (b) 0.2 m (c) 0.5 m (d) 0.4 m Ans. d (42)