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-----Original Message-----it:
From: Forum for Physics Educators [mailto:PHYS-
L@list1.ucc.nau.edu] On Behalf Of Bob Sciamanda
Sent: Friday, September 09, 2005 11:37 AM
To: PHYS-L@LISTS.NAU.EDU
Subject: Re: Average earlier or average later?
Which average you use depends on what you are going to do with
monatomic
For instance, the conclusion that the average energy of a
idealof the
gas is 3kT/2 requires the average of (mv^2)/2, not the energy
molecule with the average speed. IE. the conclusion uses theaverage
of thespecifying the
squared speed, not the square of the average speed (in
average energy)._______________________________________________
Bob Sciamanda
Physics, Edinboro Univ of PA (Em)
http://www.winbeam.com/~trebor/
trebor@winbeam.com