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A ball of mass 0.12 is being whirled in ...

A ball of mass 0.12 is being whirled in a horizontal circle at the end of string 0.5 m long. It is capable of making 231 revolutions in one minute. The breaking tension of the string is

A

3N

B

15.1N

C

31.5 N

D

35.1 N

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The correct Answer is:
A
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