Relativistic Velocity Addition
Relative to an observer on Earth, spaceship A and spaceship B are moving in the same direction with velocities of 0.6c and 0.8c, respectively. What is the velocity of spaceship B relative to spaceship A?
A
0.8c - 0.6c
B
0.385c
C
(0.8c + 0.6c)/(1 + 0.6·0.8)
D
0.8c + 0.6c
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