A charge of +3 C is at the origin. When charge Q is placed at 2 m along the positive x‑axis, the electric field at 2 m along the negative ´‑axis becomes zero. What is the value of Q?
a. ‑3 C
b. ‑6 C
c. ‑9 C
d. ‑12 C
please justify your answer thanks!
1 answer
I will be happy to critique your thinking.
1 answer