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A solid cylinder of mass 50 kg and radiu...

A solid cylinder of mass 50 kg and radius 0.5 m is free to rotate about the horizontal axis. A massless string is wound round the cylinder with one end attached to it and other hanging freely. The tension in the string required to produce an angular acceleration of 2 revolutions `s^-1` is

A

25 N

B

50 N

C

78.5 N

D

157 N

Text Solution

Verified by Experts

The correct Answer is:
D
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