dianaelisseev2809 dianaelisseev2809
  • 17-04-2024
  • Physics
contestada

An electron with kinetic energy 2.08 keV circles in a plane perpendicular to a uniform magnetic field. The orbit radius is 28.0 cm. Find the speed of the electron.
a) 3.75 x 10⁶ m/s
b) 5.42 x 10⁶ m/s
c) 6.88 x 10⁶ m/s
d) 8.91 x 10⁶ m/s

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