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Speed of light

  1. May 11, 2009 #1
    1. The problem statement, all variables and given/known data

    Show that if an hypothetical particle has v>c in a inertial system , v>c in any other
    inertial system


    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. May 11, 2009 #2

    dx

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    Take a space-like four-velocity and apply a Lorentz transformation to it. Then show that the result is also space-like.
     
  4. May 11, 2009 #3
    Ok, thanks!
     
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