Asked by Alinkashia

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!

15 years ago