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Someone asked me this the other day and I couldn't really find an answer. If a car was travelling at the speed of light, then it turned on it's headlights, will an observer ever see it?
I'm not sure about the first one but let's just say receding from the observer.In front of.
What is the opposite case? What do you mean lightarrow?
If a car is traveling at the speed of light, why can't its light beam travel at TWICE the speed of light?Is that possible?
Quote from: Chemistry4me on 10/08/2009 03:31:13What is the opposite case? What do you mean lightarrow?I mean: when the car is approaching the observer, both frequency and intensity of light goes to infinite.