If the Earth , supposed to be a uniform sphere contracts slightly so that its radius becomes less by (1/n) than before, show that the length of the day will shorten by (48/n)h.

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Chapter7: Rotational Motion And The Law Of Gravity
Section: Chapter Questions
Problem 2WUE: Math Review (a) Convert 47.0 to radians, using the appropriate conversion ratio. (b) Convert 2.35...
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If the Earth , supposed to be a uniform sphere contracts slightly so that its radius becomes less by (1/n) than before, show that the length of the day will shorten by (48/n)h.

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