### Find the magnitude of the resulting magnetic field

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One long wire lies along an x axis and carries a current of 42 A in the positive x direction. A second long wire is perpendicular to the xy plane, passes through the point (0, 4.4 m, 0), and carries a current of 70 A in the positive z direction. What is the magnitude of the resulting magnetic field at the point (0, 2.0 m, 0)?

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