Two point charges have a total charge of 277 µC. When placed 2 m apart, the force each exerts on the other is 20.8 N and is repulsive. What are the charges on both?
F = k Q1Q2 /d^2 both positive, like to repel and add to positive
20.8 = k (q )(277^10^-6 - q) / 2
solve quadratic for q