You are moving at a speed (2/3)c relative to Randy, and Randy shines a light toward you. At what speed do you see the light passing you by?
A) (1/3)c
B) (2/3)c
C) (4/3)c
D) c
E) It depends on whether you are moving towards or away from Randy.

Question

Quizplus · Accepted Answer

According to the theory of relativity, the speed of light in a vacuum is always c, regardless of the relative motion of the source and the observer.

You Are Moving at a Speed (2/3)c Relative to Randy