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I find a way to go faster than light !

  1. May 31, 2004 #1
    Ok you can't go as fast as light. How about two rockets going at 75% of the speed of light in opposite direction? then an observer in one rocket will see the other rocket going faster than light.
  2. jcsd
  3. May 31, 2004 #2

    Doc Al

    User Avatar

    Staff: Mentor

    not so fast...

    The relative speed of the rockets will only be 0.96 c. Remember, speeds are added (per Special Relativity) like this:
    [tex]w = \frac{u + v}{1+\frac{uv}{c^{2}}}[/tex]
    not like this:
    [tex]w = u + v[/tex]
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