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Relativistic energy

  1. Sep 10, 2013 #1
    1. The problem statement, all variables and given/known data

    I am trying to grasp this stuff, but it is getting late and my mind is noodeling. Can I have some help on this?
    show that d(λmu) = m(1-(u^2/c^2)^(-3/2) du
    thanks!

    2. Relevant equations

    λ = 1/√(1-(u^2/c^2))


    3. The attempt at a solution

    I have attacked this through integration and differentiation, but am still missing something
     
  2. jcsd
  3. Sep 10, 2013 #2

    vela

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    Show your work.
     
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