What work is done on the electron during this motion

Reference no: EM13494849

At t = 0 an electron crosses the positive y-axis (so x = 0) at 42 cm from the origin with velocity 4. 105 m/s in the positive x-direction. It is in a uniform magnetic field.

(a) Find the magnitude and the direction of the magnetic field that will cause the electron to cross the x-axis at x = 42 cm.

(b) What work is done on the electron during this motion?

Reference no: EM13494849

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