问题描述：
一道相对论的英文物理题,求上过大物的可以进来解答一下.
a spaceship whose rest length is 350m has a speed of 0.82c with respect to a certain reference frame.a micrometeorite,also with a speed of 0.82c in this frame,passes the spaceshi on an antiparallel track.How long does it take this object to pass the spaceship as measured on this ship.
a spaceship whose rest length is 350m has a speed of 0.82c with respect to a certain reference frame.a micrometeorite,also with a speed of 0.82c in this frame,passes the spaceshi on an antiparallel track.How long does it take this object to pass the spaceship as measured on this ship.
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