Find the potential at the origin due to the circular arc of charge Q1 = 3.75 nC (where nC = 10−9 C) and the two point charges Q2 = 5Q1 and Q3 = −6Q1 as shown in the figure. The arc's center of curvature is at the origin and its radius is R = 15 m the angle indicated is θ = 20∘.
![Three charges are located as shown in the figure below. Charge Q1 = 3×10−9 C is located at the origin [0; 0] m Charge Q2 = −8×10−9 C is located at [4; 0] m Charge Q3 = 5×10−9 C is located at [4; 5]m The point ' P ' is located at [0; 5] m. a. [5 points] Find the electric potential due to Q1 at point P V1 = [V] b. [5 points] Find the electric potential due to Q2 at point P V2 = [V] c. [5 points] Find the electric potential due to Q3 at point P V3 = [V] d. [5 points] Find the electric potential energy between Q1 and Q3 U13 = [J]](https://www.doubtrix.com/uploads/editor/9971033102CGaCKffgkD.jpg)