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Homework Help: How do I calculate velocity of an object if I know its Lorentz factor?

  1. Sep 15, 2013 #1
    The question I have for my physics homework is "What does the velocity of an object need to be if it's Lorentz factor is 2?"
    I know the equation for the Lorentz factor is γ = 1/sq(1-(v^2/c^2)) I just don't know how to get the velocity out of it.
    I'm a bit of a math and physics noob so that might bit a slight problem aswell! :P Any help is appreciated!
  2. jcsd
  3. Sep 15, 2013 #2
    You need to rearrange the equation, you know γ is 2 and c is the speed of light which is constant so you can find v which is the velocity of the object.
  4. Sep 16, 2013 #3
    It is pretty simple algebra, have you attempted to try? Possibly show some work and we can be of more help.
  5. Sep 16, 2013 #4


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