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JEE Main 2022 Physics question

PhysicsLaws of MotionJEE Main 2022

A boy ties a stone of mass 100 g to the end of a 2 m long string and whirls it around in a horizontal plane. The string can withstand the maximum tension of 80 N. If the maximum speed with which the stone can revolve is rev./min. The value of K is (Assume the string is massless and unstretchable)

Answer: (3)

Solution

gives , so $ω =

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Question ID VK-024076