Chapter 21, Problem 65E

(a)

To determine

The value of the charge $q_3$ for the net force on it to be $4.00\text{}\text{ μΝ}$.

(b)

To determine

The direction of the net force on $q_3$.

(c)

To determine

The location along the $x$ -axis where the net force on the charge $q_3$ is $0\text{}\text{ N}$.