A body having a moment of inertia about its axis of rotation equal to 
is rotating with angular velocity of 
. Kinetic energy of this rotating body is same as that of a body of mass 27 kg moving with a velocity 
. The value of 
is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
We know that, the kinetic energy, 
where, 
(mass of the body),
(angular velocity)
and 
(moment of inertia).
Velocity of body, 
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