MHT CET 2022 Physics question
A weightless string can support a tension up to 30N. A stone of mass 0.5 kg is tied to its one end and is revolved in a circular path of radius 2 m in a vertical plane. Then the maximum angular velocity of the stone will be
(acceleration due to gravity g = 10 m/s)
Answer: (D)
Solution
In vertical circular motion the tension is greatest at the lowest point, where . The string can bear at most 30 N, so . With kg, m/s and m: $30 = 0.5(10 +
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