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An Electron Moves with a Speed of 8

question 6

Essay

An electron moves with a speed of 8.0 × 106 m/s along the +x-axis.It enters a region where there is a magnetic field of 2.5 T,directed at an angle of 60° to the +x-axis and lying in the xy-plane.(1 eV = 1.60 × 10-19 C,mel = 9.11 × 10-31 kg)Calculate the magnitude of
(a)the magnetic force on the electron.
(b)the acceleration of the electron.


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