The formula for the electric force is given by Coulomb's law:
\[F_e = \frac{k \cdot q_1 \cdot q_2}{r^2}\]
where \(k\) is Coulomb's constant (\(8.99 \times 10^9 \, \text{N} \cdot \text{m}^2/\text{C}^2\)), \(q_1\) and \(q_2\) are the charges of the proton and the
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