MHT CET Physics question
A weightless string can support a tension up to 30 N. A stone of mass 0.5 kg is tied to its one end and is revolved in a circular path of radius 2m in a vertical plane. Then the maximum angular velocity of the stone will be (acceleration due to gravity g = 10 m/s²) [MHT-CET 2019, MHT-CET 2019]
Answer: (B)
Solution
Tension is largest at the lowest point: , so and rad/s;
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