As Shown in the Figure, Three Small Charges Are Equally $Q$

question 47

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 $Q = + 23 \mathrm { nC }$ 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? $\left( k = 1 / 4 \pi \varepsilon _ { 0 } = 9.0 \times 10 ^ { 9 } \mathrm {~N} \cdot \mathrm { m } ^ { 2 } / \mathrm { C } ^ { 2 } \right)$

• A) \(1.7 \times 10 ^ { - 4 } \mathrm {~N}\)
• B) \(2.6 \times 10 ^ { - 4 } \mathrm {~N}\)
• C) \(2.1 \times 10 ^ { - 4 } \mathrm {~N}\)
• D) \(3.1 \times 10 ^ { - 4 } \mathrm {~N}\)

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