What is the repulsive force pushing these two spheres apart?

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Homework Statement



At the point of fission, a nucleus of 235U with 92 protons is divided into two smaller spheres, each with 46 protons and a radius of 5.9x10^-15m. What is the repulsive force pushing these two spheres apart?

Homework Equations



F = k(qi)(q2)/d^2

The Attempt at a Solution



I'm not quite sure what to use for the numerator of the equation. I believe that 5.9x10^-15m would be used as the distance. So, part of the equation would be (9*10^9)(x)(x)/5.9x10^-15.

Can anyone lead me to what numbers I SHOULD be using or at least give me a hint? Thank you! :)
 
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Answers and Replies

  • #2
rock.freak667
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for coulomb's Law you consider the charges, not the masses...
 
  • #3
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Ah, sorry ._. I was looking over a different page in my notebook.
 

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