1.

A man stands on a rotating table stretching his arms. He is rotating with a definite angular velocity. Now the man draws his arms closer. His moment of inertia is reduced to 75% of its initial value. The angular kinetic energy of the man

Answer»

will INCREASE by 33.3 %
will DECREASE by 33.3 %
will increase by 25%
will decrease by 25%

ANSWER :A


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