Velma, who is carrying a "light clock," passes Mort at a high speed. Velma observes that, during one tick of her own light clock, the light beam on her clock travels
A) further than 300,000 km.
B) a distance of one light year.
C) no distance at all.
D) less than 300,000 km.
E) 300,000 km.
E
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