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a) An electron has a velocity of 7.0 x 106 m/s in the positive x direction...

a) An electron has a velocity of 7.0 x 106 m/s in the positive x direction at a point where the magnetic field has the components Bx = 3.0 T, By = 2.5 T, and Bz = 2.0 T. What is the magnitude of the acceleration of the electron at this point (in 1018 m/s2)? (me = 9.11 x 10-31 kg, e = 1.6 x 10-19 C)

b) A particle (q = 5.0 nC, m = 3.0 μg) moves in a region where the magnetic field has components Bx = 1.0 mT, By = 1.5 mT, and Bz = -4.0 mT. At an instant when the speed of the particle is 6.5 km/s and the direction of its velocity is 120° relative to the magnetic field, what is the magnitude of the acceleration of the particle (in m/s2)?

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