Three Identical 3

Multiple Choice

Three identical 3.0-µC charges are placed at the vertices of an equilateral triangle that measures 30 cm on a side.What is the magnitude of the electrostatic force exerted on any one of the charges? (k = 1/4πε₀ = 9.0 × 10⁹ N ∙ m²/C²)

A) 1.6 N
B) 1.8 N
C) 2.0 N
D) 2.2 N
E) 2.4 N