Average speed of effusing molecules

  • Thread starter -Vitaly-
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  • #1
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Homework Statement


http://img406.imageshack.us/img406/6418/problemo.jpg [Broken]


Homework Equations


<V>=( Integral-from-0-to-inf(V*f(V)*dV) ) / ( Integral-from-0-to-inf (f(V)*dV) )

(second integral is for normalisation)


The Attempt at a Solution


http://img32.imageshack.us/img32/529/thermalphysics.jpg [Broken]
 
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Answers and Replies

  • #2
39
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I just realised, that average speed is not the most probable speed. I think I need to differentiate the speed distribution functions and find those two speeds.
 
  • #3
39
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Yea, that worked.
 

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