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
moving with velocity
. The value of
is
Text Solution
Verified by ExpertsThe correct answer is:
B
: Here,
Moment of inertia of the body about its axis of rotation, 
Angular velocity of rotation, 
Kinetic energy of rotation of the body is

Kinetic energy of body of mass
moving with velocity
is

As per question, 


or
or 
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