Consider a regular polygon with 29 sides. The distance from the center to each vertex is a.

Question:

Consider a regular polygon with 29 sides. The distance from the center to each vertex is a. identical charges q are placed at 28 vertices of the polygon. A single charge Q is placed at the center of the polygon. What is the magnitude and direction of the force experienced by the charge Q? (Suggestion: You may use the result of Problem 63 in Chapter 3.)