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Suppose that Earth's polar ice caps melted and the water returned to the oceans, so that...

Suppose that Earth's polar ice caps melted and the water returned to the oceans, so that the oceans were deeper by about 11.4 m. What effect would this have on Earth's rotation? Make an estimate of the resulting change in the length of the day. (Concern has been expressed that warming of the atmosphere resulting from industrial pollution could cause the ice caps to melt.)

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Answer #1

I = moment of intertia

w=angular velocity

Iold , Inew

I old > Inew

so Wold < Wnew

so earth roatates much faster

legnth of day decreases

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