What is the electric Potential Energy of a system composed of + 3 C and - 1 C separated by a distance of 0.5 m?

---

	PE = + 1.8 x 10 -2 J
	PE = - 2.7 x 10 -2 J
	PE = + 3.6 x 10 -2 J
	PE = - 5.4 x 10 -2 J

(c) 2000, Doug Davis; all rights reserved