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Results tagged with special-relativity
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user 227811
The special theory of relativity describes the motion and dynamics of objects moving at significant fractions of the speed of light.
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An ambiguity in the relativistic velocity addition
Imagine a car $S'$ with a velocity $ v = c $ in the +x direction. Now if someone fires a photon from the back of the car opposite to it's the direction of motion, that is $ u = -c $. Using the velocit …
- 139
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How will an event be same in all frames if the observer is also travelling at the speed of l... [closed]
Imagine a spaceship traveling at the speed of light firing a photon forward to a target 1 at a distance of one light-year. For a stationary observer, the photon will hit the target after 1 year. The e …
- 139
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1
answer
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Can a frame of reference travel with the speed of light? [duplicate]
I read that nothing with mass can travel at the speed of light. Therefor one can not ask what happens when an observer in a car moves with the speed of light. But, is it possible for a frame of refere …
- 139