Relativistic Velocity Addition
Two spaceships, A and B, travel in the positive x-direction with velocities of 0.6c and 0.8c, respectively, as measured in an inertial reference frame. What is the velocity of spaceship B relative to an observer on spaceship A?
A
1.4c
B
0.2c
C
0.385c
D
-0.385c
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