Answer:
Explanation:
Given:
q1 = -28.1 x 10^(-9) C
q3 = +25.5 x 10^(-9) C
F = (k * |q1 * q2|) / r^2
F1 = (9 x 10^9 N m^2/C^2) * (|-28.1 x 10^(-9) C * q2|) / (0.300 m)^2
F3 = (9 x 10^9 N m^2/C^2) * (|+25.5 x 10^(-9) C * q2|) / (0.300 m)^2
q2 = F1 + F3