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## Main Question or Discussion Point

We went over Coulomb's law today, which can be stated as

(1/ε

This equation is very similar to Newton's law of gravitation, but it contains 1/4pir^2. This makes sense, because the electric force is being diluted over the surface of a sphere.

Is 1/(4πr

(1/ε

_{0})(1/(4πr^{2}))(|q_{1}q_{2}|)This equation is very similar to Newton's law of gravitation, but it contains 1/4pir^2. This makes sense, because the electric force is being diluted over the surface of a sphere.

Is 1/(4πr

^{2}) built into G as well?