Part A In (Figure 1), the charge q = 4.53 x 10-9 C. For the steps and strategies involved in solving a similar problem, you may view the Find the electric potential at x = 0.300 m. following Example 20-9 video: Express your answer using appropriate units. SOLUTION: FIND V AT MIDPOINT -24 ? We use superposition to write an expression -Im for // midway between the two point charges. Known: Charge = 4.11 x 10"C V - V+4 +V-24 Location of Ist charge. +g: x-0 Value Units Location of and charge. -2g: x= 1.00 m k(-2q) Unknown: 7 (1.00m - x) Electric potential at x = 0.500 m, V-? Submit Previous Answers Request Answer 204-007 X Incorrect; Try Again Part B Find the value of a between 0 and 1.00 m where the electric potential is zero. Figure Express your answer using appropriate units. -29 +59 O ? -1.00 m 0 X 1.00 m Value Units P Pearson