The maximum and minimum tension in the string whirling in a circle of radius \( 2.5 \mathrm{~m} ...

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The maximum and minimum tension in the string whirling in a circle of radius \( 2.5 \mathrm{~m} \) with constant velocity are in the ratio \( 5: 3 \) then its velocity is
[Pb. PET 2003]
(a) \( \sqrt{98} \mathrm{~m} / \mathrm{s} \)
(b) \( 7 \mathrm{~m} / \mathrm{s} \)
(c) \( \sqrt{490} \mathrm{~m} / \mathrm{s} \)
(d) \( \sqrt{4.9} \)
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