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Homework Help: Pions in Gev/c^2

  1. Jan 2, 2015 #1
    The mass of a pion is 2.5x10^-28kg.
    Calculate the mass of a pion in Gev/c^2.

    I really don't understand how to do these, as I always divide/multiply the wrong numbers etc.
    Does anyone have any ways to remember which way round you do it? (1eV = 1.6x10^-19J) I get confused whether to times or divide by this.

  2. jcsd
  3. Jan 2, 2015 #2


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    How would you calculate how much energy equivalent is in the mass of a pion? What formula would you use?
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