Recent content by PhysicsLaura

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    Doppler effect and invariability of C

    I have come across this problem. People disagree about the time at which the light hits a point, but, say I have a detector wired up to the same clock as the source, to prevent this misalignment that seems to happen between frames of reference otherwise. What will they tell me about where and...
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    Doppler effect and invariability of C

    If the doppler effect is the changing if wavelengths due to movement of a light source (In reference to light of course), does this mean the distance between the wavefront and the source changes at a speed DIFFERENT from C? doesn't this mean that if the observer is in the plane of the source the...
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    Trying to Understand Light in Motion: A Frustrating Puzzle

    Nope, guess I'm no where near your level:eek: I lost it here. Specifically, u = \gamma (e_t + \beta e_x) with, let's say, e_t \cdot e_t = -1. It would be great if someone could explain this to me, and I would LOVE to have an image of this graph as a visual aid! It's partly that I don't...
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    Trying to Understand Light in Motion: A Frustrating Puzzle

    Hi, I feel really out of my depth and this is just to satisfy a personal frustration. I can see that the light from both flashes should reach a passenger on board the train at the same time and also that it should hit from the front first, but I just can't seem to make it work in my head. Are...
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