The electric force \( F \) between two point charges is given by Coulomb's law:
\[ F = \frac{k \cdot |q_1 \cdot q_2|}{d^2} \]
where \( k \) is Coulomb's constant (\( 8.99 \times 10^9 \, \text{N m}^2/\text{C}^2 \)), \( q_1 \) and \( q_2 \) are the charges, and \( d
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