An uniform circular pulley of 20 kg and ...

An uniform circular pulley of 20 kg and radius 0.2m is hinged at center. A force of 20N is acting on it as shown. It takes 'n' turns to attain angular velocity of 50 rad/s. find n

19.9

20.5

7.2

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JEE MAINS PREVIOUS YEAR-JEE MAIN 2021-PHYSICS SECTION B

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