41. A ring of radius 0.5 m and mass 10 kg is rotating about its diameter with an angular velocity of 20 rad/s. Its kinetic energy is – Flame Institute Chandigarh Mohali

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Physics

41. A ring of radius 0.5 m and mass 10 kg is rotating about its diameter with an angular velocity of 20 rad/s. Its kinetic energy is

(a) 10 J (b) 100 J (c) 500 J (d) 250 J Ans. d

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