At time t ! 0, an electron with kinetic energy 12 keV
Chapter , Problem 73(choose chapter or problem)
At time t ! 0, an electron with kinetic energy 12 keV moves through x 0 in the positive direction of an x axis that is parallel to the horizontal component of Earths magnetic field . The fields vertical component is downward and has magnitude 55.0 mT. (a) What is the magnitude of the electrons acceleration due to ? (b) What is the electrons distance from the x axis when the electron reaches coordinate x ! 20 cm?
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