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Homework Help: Relavtivity Question - Unit Needed

  1. Jun 12, 2012 #1
    1. The problem

    I need to know what unit I would use for my calculated velocity?

    2. Relevant Information

    T (Relative Time) = 9 years
    To (Stationary Time) = 2 years
    U (Velocity) = ?

    Solution?

    What unit would I use for the velocity received?
     
  2. jcsd
  3. Jun 12, 2012 #2

    rude man

    User Avatar
    Homework Helper
    Gold Member

    The factor relating T to To will contain the ratio v/c, so you can use the speed of light as your unit, or you can say c = 3e8m/s and get the answer in m/s.

    Etc.
     
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