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範例:表面衛星

 

一人造衛星剛好在地球表面繞地球運轉,其週期為T。設重力常數為G,則地球的平均密度為何?【83南女】

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Posted in 牛頓對克卜勒行星運動定律的解釋.

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By admin – 2009 年 03 月 16 日

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