An electron of charge 1.6 x 1019C is accelerated in vacuum from rest at zero…

Physics WAEC 1988

An electron of charge 1.6 x 1019C is accelerated in vacuum from rest at zero volt towards a plate of 40KV. Calculate the kinetic energy of the electron.

  • 4 x 10 25J
  • 4 x 1021 J
  • 6.4 x 1020 J
  • 6.4 x 10-15 J checkmark
  • 2.5 x 1020 J

The correct answer is: D

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