A charge of 27.0 nC is placed in a uniform electric field that is directed vertically upward and that has a magnitude of 4.00×104N/C . What work is done by the electric force when the charge moves
A. 0.450 m to the right; (J)
B. 0.620 m upward; (J)
C. 2.20 m at an angle of 45.0 ° downward from the horizontal? (J)