45. Two charges of 15 pC and −40 pC are inside a cube with sides that are of 0.40 m length. Determine the net electric flux throughthe surface of the cube. (εo= 8.85 x 10-12 C2/ N•m2)
(A) 2.8 N•m2/C
(B) −2.8 N•m2/C
(C) 1.1 N•m2/C
(D) −1.1 N•m2/C
(E) −0.47 N•m2/C