If A and B run in the opposite direction and their speed are both 0.6c, I...
If A and B run in the opposite direction and their
speed are both 0.6c, I got it that the relative speed is 0.88c but
what does that actually mean? When A looks back to see B running at
0.88c, then does A feel like B is faster than A? Or should A feel
like B runs at 0.88c-0.6c=0.28c?
*theory of relativity
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