The electric force between two point charges can be calculated using Coulomb's Law:
\[ F_{1s} = \frac{k \cdot |q_1| \cdot |qs|}{r_{1s}^2} \]
where:
- F_{1s} is the electric force between q1 and qs,
- k is the electrostatic constant (k = 8.99 x 10^9 Nm^2/C^2),
-
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