A beam of electrons (of charge -e and mass me) is shot into a region of uniform magnetic field with a speed of 36 m/s. They exit the region of uniform magnetic field opposite the direction they had entered. How strong must the magnetic field be such that each electron stayed in the region for a total of 83 ms me A. 17.1" qe me me С. 34.2- qe В. 18.9" de D. 37.9me
A beam of electrons (of charge -e and mass me) is shot into a region of uniform magnetic field with a speed of 36 m/s. They exit the region of uniform magnetic field opposite the direction they had entered. How strong must the magnetic field be such that each electron stayed in the region for a total of 83 ms me A. 17.1" qe me me С. 34.2- qe В. 18.9" de D. 37.9me
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Transcribed Image Text:A beam of electrons (of charge -e and mass me) is shot into a region of uniform
magnetic field with a speed of 36 m/s. They exit the region of uniform magnetic field opposite the
direction they had entered. How strong must the magnetic field be such that each electron stayed in the
region for a total of
83 ms
me
me
С. 34.2-
de
me
D. 37.9
de
A. 17.1"
qe
me
В. 18.9-
de
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