What is the electric force of attraction between charges of 3 C and -4 C separated by a distance of 2 m?

Answer 1

Coulomb’s Law
F = k •q1•q2/r²,
where
k =9•10^9 N•m^2/C^2,
q1 = 3 C,
q2 = |q2| = 4 C,
r =2 m