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An object of mass 0.4 kg is rotating in ...

An object of mass 0.4 kg is rotating in horizontal circle of radius 2 m. If the breaking tension in the string is 31.54 N, the maximum number of revolutions per minute is,

A

30 rev/min

B

60 rev/min

C

46 rev/min

D

90 rev/min

Text Solution

Verified by Experts

The correct Answer is:
B
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