A ring of radius 0.5 m and mass 10 kg is rotating about its diameter with angular…
Physics · JEE Main · NTA Exams — Rotational Motion
A ring of radius 0.5 m and mass 10 kg is rotating about its diameter with angular velocity of 20 rad/s. Its kinetic energy is:
- 10 J
- 100 J
- 500 J
- 250 J
Answer
(A) 10 J
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