An alpha particle has a charge of +3.2 x 10-19 C and mass 6.64 x 10-27 kg. The particle is moving perpendicular to a magnetic field at a velocity of 2.5 x 106 m/s to the left. The particle experiences a force of 3.0 x 10-13 N out of the page. What is the magnitude and direction of the magnetic field?

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