A flywheel having moment of inertia 20kg...

A flywheel having moment of inertia `20kgm^(2)` rotates about its axis with an angular velocity of `100rads^(-1)`. If the moment of inertia of the flywheel is reduced to `10kgm^(2)` without applying external torque, calculate the new angular velocity of the Flywheel.

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