When A moves away from B and C moves away from B in the same direction, how fast is C moving away from A? [duplicate]
When A moves away from B at 0.9c and C moves away from B at 0.9c in the opposite direction , how fast is C moving away from A? When we'd be talking about A, B, C being cars and much lower speeds, I'd ...
Let's say we have 2 participles facing each other and traveling at speed of light Let's say I'm sitting on #1 participle so in my point of view #2 participle's speed is c+c=2c, double light speed? ...