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範例:行星圓周運動與功能定理(三)

若地球半徑為R，地表之重力加速度為g，今自地面發射一質量為m之人造衛星至距地面R之高處作等速率圓周運動 (1)則需供給能量若干? (2)欲將此衛星由軌道移至距地面2R處運行，需再提供若干能量?


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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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