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Statistical Physics?

  1. Mar 4, 2008 #1


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    1. The problem statement, all variables and given/known data
    A space ship that is cylindrical of area A and Length L decelerates at a constant rate a. The air treated. What is the difference in pressure due to the motion from the front to the back of the ship. The acceleration is parallel to L and air was in thermal equilibrium.

    2. Relevant equations

    3. The attempt at a solution
    I believe intuitively there should be a factor [tex] e^{E/kT}[/tex] where [tex]E=W=Fx=max[/tex]. I think I might need to calculate the partition function but it might not be necessary like when calculating [tex]V_{rms}[/tex] in passive circuit.
    Last edited: Mar 4, 2008
  2. jcsd
  3. Mar 5, 2008 #2
    Your feeling is correct. Just remember that the density of the air will also scale that way, but you need to conserve mass/number.
  4. Mar 5, 2008 #3
    Do you need statistical physics here? Why not use dp=ro*g*dh?
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