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College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300

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BuyFindarrow_forward

College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300
Textbook Problem

If global warming continues, it’s likely that some ice from the polar ice caps of the Earth will melt and the water will be distributed closer to the equator. If this occurs, would the length of the day (one rotation) (a) increase, (b) decrease, or (c) remain the same?

To determine
The effect of global warming on the length of a day.

Explanation

From the law of conservation of angular momentum,

Iω=constant

Conclusion:

When the ice caps melt and more mass moves closer to the equator, the distance of the mass from the axis of rotation also increases. This causes an increase in the moment of inertia

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