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我国发射的“嫦娥一号”卫星发射后首先进入绕地球运行的“停泊轨道”,通过加速再进入椭圆“过渡轨道”,该轨道离地心最近距离为L1,最远距离为L2,卫星快要到达月球时,依靠火箭的反向助推器减速,被月球引力“俘获”后,成为环月球卫星,最终在离月心距离L3的“绕月轨道”上飞行.已知地球半径为R,月球半径为r,地球表面为g,月球表面的为g/6,求:(1)卫星在“停泊轨道”上运行的线速度;(2)卫星在“绕月轨道”上运行的线速度.
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参考答案:
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参考解析:
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