APFIVE Net Electrostatic Force on a Point Charge
Three point charges are arranged in a right triangle: $$q_1 = 2.0\ \mu\text{C}$$ is at the origin, $$q_2 = -4.0\ \mu\text{C}$$ is at $$(3.0\ \text{m}, 0)$$, and $$q_3 = 5.0\ \mu\text{C}$$ is at $$(0, 4.0\ \text{m})$$. What is the magnitude of the net electrostatic force on $$q_1$$ in newtons? $$(k = 9.0 \times 10^9\ \text{N} \cdot \text{m}^2/\text{C}^2)$$
A
12.0 N
B
6.0 N
C
0.0098 N
D
15.0 N
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