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範例:行星力學能守恆

某行星繞太陽運行，在近日點與遠日點時，其與太陽之距離比為1:2，若行星在遠日點時的動能為K，則行星繞太陽的系統力學能為：(A)-K (B)-2K (C)-3K (D)-4K (E)-5K。[87中聯]


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Posted in 重力位能的一般式.

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By admin – 2009 年 04 月 30 日

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