On melting of ice on the pole of the earth it's moment of inertia will?

Question

A flywheel is making 3000/pie revolution per min about the axis . if the moment of inertia of the flywheel about that axis is 400kgm^2, its rotational KE is

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Answer 1

Molten ice from poles goes into ocean and so mass is going away from axis of rotation. So, moment of inertia of earth increases and to conserve angular momentum, angular velocity (ω) decreases. So, time period of rotation increases (T = 2$\pi$/ω)

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On melting of ice on the pole of the earth it's moment of inertia will?

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On melting of ice on the pole of the earth it's moment of inertia will?

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A flywheel is making 3000/pie revolution per min about the axis . if the moment of inertia of the flywheel about that axis is 400kgm^2, its rotational KE is

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