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範例:重力場

設地球密度不變，半徑增大為原來的2倍，則下列各物理量將有何變化?

(1)表面之重力場強度 (2)世界跳高紀錄 (3)同一單擺的週期 (4)同一彈簧振子之週期 (5)同一高度自由落下之末速及時間?

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Posted in 萬有引力定律.

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By admin – 2009 年 03 月 11 日

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