An electric field with a magnitude of 3.50 kN/C is applied along the x axis. Calculate the

Question:

An electric field with a magnitude of 3.50 kN/C is applied along the x axis. Calculate the electric flux through a rectangular plane 0.350 m wide and 0.700 m long assuming that
(a) The plane is parallel to the yz plane;
(b) The plane is parallel to the xy plane;
(c) The plane contains the y axis, and its normal makes an angle of 40.0° with the x axis.