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A mass 2 kg describes a circle of radius...

A mass 2 kg describes a circle of radius 1 m on a smooth horizontal table at a uniform speed .If is joined to the centre of the circle by a string, which can just withstand 32 N, then the greatest number of revolution per minute , perfomed by the mass would be

A

38

B

4

C

76

D

16

Text Solution

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The correct Answer is:
A
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