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範例:行星運動與力學能守恆

地球半徑R,地表重力場g,一人造衛星質量m,以橢圓軌道繞地球運行,衛星離地球中心最近的距離為2R,速率為VA;離地心最遠距離為3R,速率為VB,求(1)VA:VB=? (2)衛星在離地球最近時之動能多少?(mgR表示)[87中聯]


[詳解]

LINE it!

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Posted in 重力位能的一般式.

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