Answer to Question #281083 in Physics for Stephen

Question #281083

The two identical charges have a magnitude of ±1.00×10^-6 Coulombs which separated by 1 cm. What is the magnitude of the force separating the charges?

Expert's answer

$F=k\frac{q_1 q_2}{r^2}=9\cdot10^{9}\cdot\frac{1\cdot10^{-6}\cdot1\cdot10^{-6}}{0.01^2}=90\ (N)$

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