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? asked in Science & MathematicsPhysics · 1 month ago

Electric force?

Two electrons in an atom are separated by 1.5 x 10^-11 meters; the typical size of an atom. What is the electrical force between them? Is this an attraction or a repulsion?

1 Answer

  • Anonymous
    1 month ago

    Qe = 1.6*10^-19

    k = 9*10^9 

    F = k*Qe^2/d^2 = 9.10^9*2.56*10^-38*10^22/1.5^2 = 1.0*10^-6 N

    ...same sign results in repulsion

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