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  1. D

    Thomson experiment question

    no, that was the problem. If i was given magnetic field strength or initial velocity then it would have been easier.
  2. D

    Thomson experiment question

    I'm trying to work out a question where you have to use the charge and mass of an electron to determine the velocity of an electron that has been accelerated across a potential difference of 100000 volts. I can work out the energy using E=qV but then I cant find any equations that will give me...
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