火箭以等于其自身重力的推力匀速垂直于地面往外飞,速度低于第一宇宙速度,它能飞出地球吗,为何?据说物体低于第一宇宙速度是无法摆脱地球引力飞出地球的大侠们,我问的关键是火箭低于
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![火箭以等于其自身重力的推力匀速垂直于地面往外飞,速度低于第一宇宙速度,它能飞出地球吗,为何?据说物体低于第一宇宙速度是无法摆脱地球引力飞出地球的大侠们,我问的关键是火箭低于](/uploads/image/z/3444870-30-0.jpg?t=%E7%81%AB%E7%AE%AD%E4%BB%A5%E7%AD%89%E4%BA%8E%E5%85%B6%E8%87%AA%E8%BA%AB%E9%87%8D%E5%8A%9B%E7%9A%84%E6%8E%A8%E5%8A%9B%E5%8C%80%E9%80%9F%E5%9E%82%E7%9B%B4%E4%BA%8E%E5%9C%B0%E9%9D%A2%E5%BE%80%E5%A4%96%E9%A3%9E%2C%E9%80%9F%E5%BA%A6%E4%BD%8E%E4%BA%8E%E7%AC%AC%E4%B8%80%E5%AE%87%E5%AE%99%E9%80%9F%E5%BA%A6%2C%E5%AE%83%E8%83%BD%E9%A3%9E%E5%87%BA%E5%9C%B0%E7%90%83%E5%90%97%2C%E4%B8%BA%E4%BD%95%3F%E6%8D%AE%E8%AF%B4%E7%89%A9%E4%BD%93%E4%BD%8E%E4%BA%8E%E7%AC%AC%E4%B8%80%E5%AE%87%E5%AE%99%E9%80%9F%E5%BA%A6%E6%98%AF%E6%97%A0%E6%B3%95%E6%91%86%E8%84%B1%E5%9C%B0%E7%90%83%E5%BC%95%E5%8A%9B%E9%A3%9E%E5%87%BA%E5%9C%B0%E7%90%83%E7%9A%84%E5%A4%A7%E4%BE%A0%E4%BB%AC%EF%BC%8C%E6%88%91%E9%97%AE%E7%9A%84%E5%85%B3%E9%94%AE%E6%98%AF%E7%81%AB%E7%AE%AD%E4%BD%8E%E4%BA%8E)
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