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When the angular velocity of a unit unif...

When the angular velocity of a unit uniformly rotating body becomes 3 times its original value, the resultant of forces applied to it increase by 60N. Find the acceleration of the body m= 3kg.

A

`2.5 ms^-2, 7.5 ms^-2`

B

`7.5ms^-2, 22.5ms^-2`

C

`5 ms^-2, 45ms^-2`

D

`2.5ms^-2, 22.5ms^-2`

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