In the figure four particles are fixed along an x axis, separated by distances d = 3.40 cm. The charges are q1 = +3e, q2 = -e, q3 = +e, and q4 = +8e, with e = 1.60 x 10-19 C. What is the value of the net electrostatic force on (a) particle 1 and (b) particle 2 due to the other particles? 4. (a) Number i Units (b) Number i Units
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