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Mass of a proton

  1. Jun 11, 2014 #1

    Anyone know how to do this?? I know that you should usually provide your own working out but I got an exam in one hour and I'm not sure of how to go about this :S

  2. jcsd
  3. Jun 11, 2014 #2
    1 MeV = 1.609 x 10-13 J
    1 MeV/c2 = 1.79 x 10-30 kg
  4. Jun 11, 2014 #3
    Just plug in the values for e and c and don't forget that M stands for 1 000 000, and you will get it.
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