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An electron moving with a speed of 6.2×105 m/s in the positive x direction experiences zero...

An electron moving with a speed of 6.2×105 m/s in the positive x direction experiences zero magnetic force. When it moves in the positive y direction, it experiences a force of 3.9×10−13 N that points in the positive z direction. What is the direction of the magnetic field? What is the magnitude of the magnetic field?

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