A spaceship leaves Earth traveling 0.67c. A second spaceship leaves the first at a speed of...
A spaceship leaves Earth traveling 0.67c. A second spaceship leaves the first at a speed of 0.94c with respect to the first. Calculate the speed of the second ship with respect to Earth if it is fired as follows.
a) In the same direction the first spaceship is already moving
The correct answer for part a is 0.9878c but I can't seem to find the correct answer for part b.
b) Directly backward toward Earth
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