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Homework Help: Muon Decaying particle

  1. Jan 13, 2008 #1
    1. The problem statement, all variables and given/known data
    The muon is an elementary particle that decays with a mean (rest) lifetime of 2.20E-6 s. A beam of muons has a speed of 0.600c. In the reference frame of the muon, how far does the laboratory travel in one mean lifetime?


    2. Relevant equations
    [tex]L=\frac{L_o}{\gamma}[/tex]



    3. The attempt at a solution
    a. The muon has to travel (2.20E-6 s)(.60c)=396m seen from the muon
    so isn't it [tex]L=\frac{L_o}{\gamma}[/tex] where [tex] \gamma=1.25[/tex]
    that would equall 316.8 m to the muon
    b. 396 m
     
    Last edited: Jan 13, 2008
  2. jcsd
  3. Jan 13, 2008 #2
    anything?
     
  4. Jan 14, 2008 #3
    Or maybe it is the muon that sees the lab travel 396m?:cry:
     
  5. Jan 14, 2008 #4
  6. Jan 14, 2008 #5
    Don't be shy now
     
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