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Three parallel current-carrying wires are shown in the figure below. The currents in each wire are...

Three parallel current-carrying wires are shown inThree parallel current-carrying wires are shown in the figure below. The currents in each wire are I1 = 0.460 A, I2 = 0.710 A, and I3 = 0.260 A. If the wires are separated by distances r1 = 0.185 m and r2 = 0.290 m, find the net magnetic force per unit length on the middle wire due to the other wires. (Express your answer in vector form.)

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