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Homework Help: Finding C from a speed distribution function.

  1. Oct 21, 2016 #1
    1. The problem statement, all variables and given/known data
    Gas particles of a particular gas have a speed distribution function of

    fv = Cv/(v2 +vo2)2

    a. Find the value of C

    b. Calculate the most probable speed

    c. What fractions of the particles are moving faster than the most probable speed

    2. Relevant equations

    3. The attempt at a solution

    For problem a I don't even know where to begin, I know that C is probably a form of vo otherwise the function could end up being higher 1

    I already got problem b by taking the derivative of the function and then setting it equal to 0
    which got me

    v = vo/√3

    For problem c what I believe what I need to do is take the definite integral of f*dv between vo/√3 and infinity.
    Last edited: Oct 21, 2016
  2. jcsd
  3. Oct 21, 2016 #2
    Forgot to mention that vo and C are both constants.
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