salley

i need help in solving this problem, please help. Four identical charges (+3.0 ìC each) are brought from infinity and fixed to a straight line. Each charge is 0.47 m from the next. Determine the electric potential energy of this group.

i used this equation but i didn't get the correct answer.

that symbol means micro, i copied and pasted it off an internet post.

17 11/12 / 6 1/10