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太空中几乎没有阻力,如果火箭不停加速,能不能达到光速?
太空中几乎没有阻力,如果火箭不停加速,它能不能达到光速呢?对于这个问题,一个常见的思路就是,在没有阻力的情况下,假如一个物体一直有一个加速度,那么它的速度就会越来越快,而光速毕竟只是一个有限的速度,所以只要加速的时间足够长,火箭的速度尽早会达到光速。
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