(a) Find the electric force exerted on the charge. (b) Find the work done by the

Question

(a) Find the electric force exerted on the charge.

(b) Find the work done by the electric force.
Answer: 2.4 x 10^-3 J

(c) Find the change in the electric potential energy of the charge.


(d) Find the potential difference between A and B.

The only parts I need help with is parts (c) and (d), I've already solved (a) and (b)!!!!

magnitude     Answer: 1.2 x 10^-2 N direction     Answer: Toward the right A point charge q = +42.0 ?C moves from A to B separated by a distance d = 0.198 m in the presence of an external electric field (a) Find the electric force exerted on the charge. magnitude Answer: 1.2 x 10^-2 N direction Answer: Toward the right (b) Find the work done by the electric force. Answer: 2.4 x 10^-3 J (c) Find the change in the electric potential energy of the charge. (d) Find the potential difference between A and B. The only parts I need help with is parts (c) and (d), I've already solved (a) and (b)!!!! Vector E of magnitude 285 N/C directed toward the right as in the following figure.

Explanation / Answer

part C:

apply change in potneital eenrgy U = -W

U = -2.4 *10^-3 Joules

--------------------------------

apply POt Energy U = Vq

so Potential V = U/q

V = 2.4 e-3/(0.42e-6)

V = 5714.28 Volts ----------<<<<<<<<<<<Answer

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