A point charge of -4 uC is located at x = 3 m, y = -2 m. A second point charge of 12 uC is located at x = 1 m, y = 2 m.
(a) Find the direction of the electric field at x=-1m,y=0.[Answer should be in degrees. (counterclockwise from plus x axis) ].
(b) Find the direction of force on an electron at x=-1,y=0.[Answer should be in degrees. (counterclockwise from plus x axis) ].