A point charge of +10 μC is at (+3 m, 0 m) on the x-axis and a point charge of +10 μC is at (-3 m,0 m).

a. Determine the work required to assemble this charge distribution.

W = ________ J

b. Find the magnitude of the electric field at a point (0,+3 m) on the y-axis.

E = __________ x103 N/C

A charge q = +1 μC is placed at this point. Find the magnitude of the force on the 1 μC charge.

c. A charge q= +1 μC is placed at a point (0,+3 m) on the y-axis. Find the magnitude of the force on the 1 μC charge.

F = ____________ x10-3 N