A charge of 30.0 nC is placed in a uniform electric field that is directed vertically upward and has a magnitude of 3.60x10^4 V/m. What work is done by the electric force when the charge moves 0.490 m to the right?

A charge of 25.0 is placed in a uniform electric field that is directed vertically upward and that has a magnitude of 4.00×104 . What work is done by the electric force when the charge moves 0.400m to the right; 0.630m upward; 2.80m at an angle of 45 degrees downward from the horizontal?

An object with negative charge is placed in a region of space where the electric field is directed vertically upward. What is the direction of the electric force exerted on this charge? (a) It is up. (b) It is down. (c) There is no force. (d) The force can be in any direction.