Answer to Question #159542 in Physics for koko

Question #159542

If the electric forces of repulsion between two 2.80-C charges have magnitude 17.0 N, how far apart are they?

Expert's answer

"F=k\\frac{q^2}{r^2}\\\\17=9\\cdot10^9\\frac{2.8^2}{r^2}\\\\r=6.44\\cdot10^4\\ m"

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