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How does E=MC^2 convert to Joules?

  1. Dec 27, 2013 #1
    How does E=MC^2 convert to Joules? How can the speed of light measured in m/s and mass measured in grams convert to joules?
     
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  3. Dec 27, 2013 #2

    Vanadium 50

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    Mass is in kilograms.
     
  4. Dec 27, 2013 #3

    TumblingDice

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    According to wikipedia mass-energy equivalence, 1 joule = 11.1265 femtograms (11.1265x10^-18 grams)

    http://en.wikipedia.org/wiki/Joule
     
  5. Dec 28, 2013 #4
    Thanks Guys
     
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