Answer to Question #347092 in Physics for NIKNIK

Question

"The magnitude of the force between two charges of 1.5µc each that 5cm apart."

Answer 1

$$F=k\frac{q_1q_2}{r^2}=9*10^9*\frac{(1.5*10^{-6})^2}{0.05^2}=8.1\:\rm N$$