A body of moment of inertia of 3 kg-m 2 rotating with an angular velocity of 2 rad / sec has the same kinetic energy as a mass of 12 kg moving with a velocity of
Text Solution
Verified by ExpertsThe correct answer is:
D
Rotational kinetic energy of the body = 
and translatory kinetic energy 
According to problem 
⇒ ⇒ 
⇒ ⇒ 
.
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