Homework Statement
A sheet of charge Ps = 2 NC/m^2 is present at the plane x = 3 in free space, and a line charge Pl = 20 nC/m is located at x = 1, z = 4.
a) Find the magnitude of the electric field intensity at the origin
b) Find the direction of E at P (4,5,6)
c) What is the force per...