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JEE Main Physics question

PhysicsWork, Energy and PowerJEE Main

A body of mass 0.4 kg is whirled in a vertical circle making 2 rev/sec. If the radius of the circle is 2 m, then the tension in the string when the body is at the top of the circle, is

Answer: (D)

Solution

Angular velocity rad/s. Speed m/s. At

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Question ID VK-158247