Particle mu was created in the atmosphere and traveled 2km relative to Earth with a speed of 0.8c.
Particle e was created in the same time and traveled parallel to mu with the speed of 0.6c.
How much distance mu traveled relative to e?
The Attempt at a Solution
I've got an answer but I'm totally not sure.
You can't see this in the image but I calculated the relative speed of mu in regards to e and got (5/13)c
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