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  1. N

    I need some guidance on my coulomb's law homework.

    Homework Statement two charged particles held fixed in the xy plane are: q1= +3.0 μC, x1=3.5 cm, y1= 0.50 cm, and q2= -4.0 μC, x2= -2.0 cm, y2= 1.5 cm. (question 1) What is the magnitude and the direction of the electrostatic force on q2. ? (question 2) Where would a third charge q3= +4...