**Question:** The maximum and minimum tensions in the string whirling in a circle of radius 2.5 m are in the ratio 5:3,then its velocity is

(A) \sqrt{98}ms^{-1}

(B) 7ms^{-1}

(C) \sqrt{490}ms^{-1}

(D) 4.9ms^{-1}

**Answer:** option (A)

**Solution:**

with
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**Question:** The maximum and minimum tensions in the string whirling in a circle of radius 2.5 m are in the ratio 5:3,then its velocity is

(A) \sqrt{98}ms^{-1}

(B) 7ms^{-1}

(C) \sqrt{490}ms^{-1}

(D) 4.9ms^{-1}

**Answer:** option (A)

**Solution:**