A system of point charges includes q1= +1 microC at x1 = 2m,
y1 =2m, q2= -1 microC at x2= -3m, y2= -3m, q3 = +3microC at the
origin.
A) what is the electric potential at location x = 1m, y =
-1m?
B) what is the electric potential energy Ue (i.e PE) of the
system of charges?
energy
C) What is the electric field Ex and Ey components, magnitude
E and directional angle at x=-2m, y= +3m?