WHAT WILL HAPPEN TO THE DURATION OF DAY IF THE RADIUS OF EARTH IS HALFED
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1
Answer:
duration of time will be decreased
i.e. time required for 1 day will be 6hrs.
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2
Answer:
I is M R^2, so since the new R is 1/2 the original, the new I must be 1/4 the original. As a result, the angular velocity must increase by a factor of 4 to conserve angular momentum.
As a result, the day will be 1/4 of 24 hours (6 hours.)
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