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MHT CET Physics question

PhysicsLaws of MotionMHT CET

Two stones of masses m and 3m are whirled in horizontal circles, the heavier one in radius and lighter one in radius 'r'. The tangential speed of lighter stone is 'n' times that of the value of heavier stone, when they experience same centripetal force. The value of n is [MHT-CET 2019]

Answer: (D)

Solution

Equal forces give , so

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Question ID VK-039562