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Time dilation

  1. Aug 9, 2007 #1
    I was reading about time dilation and say if we have an inertial S that moves with velocity v in the x-direction with respect to an inertial frame S'. In S' we shoot a light towards a mirror and measure the time from when the original flash takes place to when it returns to it's origin giving us [tex]\Delta[/tex]t'=2D/c. They said that since an observer in inertial frame S would measure these events to take longer than they do in S' that an observer in S can conclude that time passes more slowly in S'. Is this correct? When i think about it, if it took 7 seconds in S and 5 secs in S' then wouldn't time run "slow" in S since it took longer for the same event to take place than it did in S'? Clarification needed, thanks.

    -Pat
     
  2. jcsd
  3. Aug 9, 2007 #2
    From the point of view of the observer S all physical processes in the laboratory S' proceed slower than identical processes in his own laboratory (S). So, observer S may think that "time runs slower" in the moving laboratory S'. I think, this is a bad abuse of language.

    Eugene.
     
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