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Deriving Relativistic Energy Problem

  1. Nov 6, 2009 #1
    1. The problem statement, all variables and given/known data

    Taking into account the electrons momentum and relativistic energy prove that W=(m(sub0)^2c^4+p^2c^2)^(1/2)

    2. Relevant equations

    p=(gamma)m(sub0)v; W=(gamma)m(sub0)c^2.

    3. The attempt at a solution

    I have tried expanding the relativistic factor gamma=(1/(1+v^2/c^2))^1/2 but got nowhere. I'm wondering if I need to bring in another equation
  2. jcsd
  3. Nov 6, 2009 #2
    It might be easier to derive the answer if you had W and p in one side of the equation.
  4. Nov 6, 2009 #3
    Thanks for the advice. I've managed to solve it...!

    One down loads to go...
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