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JEE Main Physics question

PhysicsWork, Energy and PowerJEE Main

A weightless thread can support tension up to 30 N. A stone of mass 0.5 kg is tied to it and is revolved in a circular path of radius 2 m in a vertical plane. If m/s², then the maximum angular velocity of the stone will be

Answer: (B)

Solution

Maximum tension occurs at the lowest point:

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Question ID VK-158208