Galileo Galilei told us that 肥驱 can move without 推动
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送交者: 008 于 2014-12-15, 13:52:19:
回答: 飞机喷出的是气体，很轻。根椐动量受恒，那不是要有光速才能推动那肥驱 由 cornbug 于 2014-12-14, 16:51:09:
only damping stops it. But damping is caused by air also, so it is ok to push a little air to overcome damping.
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