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A ball of mass 0.25 kg attached to the e...

A ball of mass 0.25 kg attached to the end of a string of length 1.96 m is moving in a horizontal circle. The string will break, if the tension is more than 25 N. What is the maximum speed with which the ball can be moved ?

A

14 `m//s`

B

3`m//s`

C

3.92 `m//s`

D

5 `m//s`

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