Question

As a spaceship moves away from you at half the speed of light, it fires a probe, also away from you at half the speed of light relative to the spaceship. Relative to you, the probe moves at
A) 0.80c.
B) 0.87c.
C) 0.90c.
D) 0.95c.
E) c.

Answer

This answer is hidden. It contains 1 characters.