Acharge of 23.0 nc is placed in a uniform electric field that is directed vertically upward and that has a magnitude of 4.00×104 n/c . what work is done by the electric force when the charge moves

Two waves maximally constructively interfere at a point in space. among the options below, select the possible value of their phase difference at that point in space.a. zerob. πc. π/2d. not determinable by the information provided