Question

Calculate the force between the gold nucleus and the electron?

A gold nucleus is located at the origin of coordinates, and a second electron is brought to a position 2 Å from the origin

a) Calculate the force between the two electrons

b) Calculate the potential energy of the gold nucleus and the electron

additional information: F(r) = q1*q2 / 4pi*epsilon0*r^2 where Å = 10^-10 m, q = charge epsilon0 = 8.854*10^-12 C^2/J*m and r = distance

Answer given by tutor
a) -4.56*10-7 N
b) -9.11*10-17 N

I believe my main problem is finding q1 and q2

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