First, we can find the electrostatic force between the two point charges using Coulomb's Law:
$F_e = \frac{kq^2}{r^2}$
where $k = 8.99 \times 10^9 Nm^2/C^2$ is the electrostatic constant, $q = 80 \times 10^{-9} C$ is the charge, and $r$ is the distance between
Show more…