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The maximum and minimum tension in the s...

The maximum and minimum tension in the string whirling in a circle of radius 2.5 m with constant velocity are in the ratio `5:3` then its velocity is

A

`sqrt(98) m//s`

B

`7m//s`

C

`sqrt(490) m//s`

D

`sqrt(4.9)`

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The correct Answer is:
A
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