As Shown in the Figure, Three Small Charges Are Equally

question 73

Multiple Choice

As shown in the figure, three small charges are equally spaced on the arc of a circle that is centered at the charge Q, where Q = +23 nC and all the other quantities are accurate to two significant figures. What is the magnitude of the net electric force on the charge Q due to the other three charges? (k = 1/4πε₀ = 9.0 × 10⁹ N ∙ m²/C²)

• A) 2.6 × 10^-4 N
• B) 1.7 × 10^-4 N
• C) 2.1 × 10^-4 N
• D) 3.1 × 10^-4 N

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