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July 24, 2014

Homework Help: Physics

Posted by ana on Thursday, November 19, 2009 at 7:21pm.

31m/s is a typical highway speed for a car. At what temperature do the molecules of nitrogen gas have an rms speed of 31m/s?

T=[(x^2)*m]/3k
so
x=31m/s
m=N2=2*14=28g=.028kg
k=1.38e^-23..I'm keep getting 6.333651477e^10...which is incorrect. What am I missing?

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