Question

A charge of 2 µC is 0.5m from a charge of 3µC. Find the electric force.

Answer 1

$F=k\frac{q_1\cdot q_2}{x^2}=9\cdot10^9\cdot\frac{2\cdot10^{-6}\cdot3\cdot10^{-6}}{0.5^2}=0.216\ (N)$ . Answer