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Homework Help: Electric field in special relativity

  1. Apr 15, 2013 #1
    1. The problem statement, all variables and given/known data

    A charge q is at rest in frame O. In O' with velocity βc in x direction, at t'=0 the charge is at the origine O' and produce an electric field E' at position r'=(x',y',z') :
    If θ is the angle between r' and x, show that:

    2. Relevant equations

    3. The attempt at a solution
    I'm blocking at this step :
    sinθ=y'/r' but I can't find a way to find the asked formula, I think that there's something that i'm missing but don't know what.
  2. jcsd
  3. Apr 16, 2013 #2
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