Velma passes Mort at a high speed. Velma and Mort each have identical light- clocks. Mort and Velma both observe both clocks to "tick" simultaneously at 12 noon on both clocks. Velma observes that Mort's next tick occurs
A) after her own clock ticks.
B) before her own clock ticks.
C) only when the moon is full.
D) before or after or at the same time as her own tick, depending on Velma's precise speed relative to Mort.
E) at the same time as the tick on her clock.

Question

Quizplus · Accepted Answer

According to the theory of relativity, Velma, moving at high speed relative to Mort, will observe time dilation. This means Mort's clock ticks slower from Velma's perspective, so Mort's next tick occurs after her own clock ticks.

Velma Passes Mort at a High Speed