A charge of +40 µC is placed on the x-axis at x = 0. A second charge of -40 µC is placed on the x-axis at x = 50 cm. What is the magnitude of the electrostatic force on a third charge of 3.0 µC placed on the x-axis at x = 25 cm?
A) 0.0 N
B) 23.1 N
C) 34.6 N
D) 51.9 N
Correct Answer:
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