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Time Dilation help

  1. Nov 20, 2007 #1
    Time Dilation help plz

    1. The problem statement, all variables and given/known data
    A spaceship is moving at 0.75 c (0.75 times the speed of light) with respect to the earth. An observer on the spaceship measures the time interval between two events on earth as 38 hrs. If the spaceship had been moving with a speed of 0.92 c with respect to the earth, what would the time interval between the events have been?

    Δt0.92 c = _____hrs

    2. Relevant equations


    3. The attempt at a solution





    but this is not the correct ans
  2. jcsd
  3. Nov 20, 2007 #2
    nvm got it
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