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Homework Help: Approximate the strong force between two protons.

  1. Sep 7, 2013 #1
    1. The problem statement, all variables and given/known data
    2 protons in a Helium nucleus are separated by about 2x10^-15 m. Calculate the approximate magnitude of the strong force holding the 2 protons together.

    2. Relevant equations
    Electromagnetic force equation?

    3. The attempt at a solution
    Okay now im thinking that the strong force is 100 times stronger thn the electromagnetic force.. SO do I calculate the electromagnetic force between two protons and multiply by 100?
    Last edited: Sep 7, 2013
  2. jcsd
  3. Sep 7, 2013 #2
    You know that strong force keeps the nucleus together, then the system must be in equilibrium, then the strong force must be equal to the coulomb force between the protons
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