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Three Point Charges Are Located on the X-Axis

Question 68

Multiple Choice

Three point charges are located on the x-axis. The first charge, q1 = 10.0 µC, is at x = −1.00 m; the second charge, q2 = 20.0 µC, is at the origin; and the third charge, q3 = −30.0 µC, is located at x = 2.00 m. What is the force on q2?


A) 1.65 N in the negative x-direction
B) 3.15 N in the positive x-direction
C) 1.50 N in the negative x-direction
D) 4.80 N in the positive x-direction
E) 4.65 N in the negative x-direction

Correct Answer:

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