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Cyclotron Movement

  1. Mar 17, 2007 #1
    1. The problem statement, all variables and given/known data

    A 61.0 cm diameter cyclotron uses a 500 V oscillating potential difference between the dees. The magnetic field strength is 0.790 ?

    How many revolutions would a proton make before leaving the cyclotron?

    2. Relevant equations

    v/r=Bq/m Ke=1/2mv^2

    3. The attempt at a solution

    I am completely stumped on this problem, I have calculated the max speed, and therefor max kinetic energy. But cannot figure out how to derive number of revolutions from there.

    Any hints would be greatly appreciated.

  2. jcsd
  3. Mar 17, 2007 #2

    Why would the electron leave the cyclotron,
    Describe first how this device works.
    How does the electron reach the escape speed?

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