Consider the three point charges in the x-y plane as shown in the figure. 90 80 70 Q3 60 -5 . 50 y (cm) 40 - d. 30 Q2 20 . ................... . ... 10 Q1 0 10 20 30 40 50 60 70 80 90 x (cm) What is the total electrostatic energy of the system? The point charges have the following values: Q1 = 5.48 nc, Q2 = 6.56 nc, Q3 = -7.99 nc. Submit Answer Incorrect. Tries 1/99 Previous Tries Point charge Q3 is moved away to infinity by an external force. How much work did the external force perform in this process? Submit Answer Tries 0/99