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
Correct Answer:
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