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A mass of 2 kg is whirled in a horizonta...

A mass of 2 kg is whirled in a horizontal circle by means of a string at and initial speed of `5"rev min"^(-1)`. Keeping the radius constant the tension in the string is doubled. The new speed is nearly

A

2.25 rpm

B

7 rpm

C

10 rpm

D

14 rpm

Text Solution

Verified by Experts

The correct Answer is:
B
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