# Editing Maxwell speed distribution

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β | The '''Maxwellian | + | The '''Maxwellian velocity distribution''' <ref> [http://books.google.com/books?id=hYIBOMxIuvEC&source=gbs_similarbooks_r&cad=2 James C. Maxwell, "The scientific papers of James Clerk Maxwell", Edited by W.D. Niven, paper number XX, Dover Publications, Vol. I,II, New York, USA (2003)]</ref> provides probability that the speed of a molecule of mass ''m'' lies in the range ''v'' to ''v+dv'' is given by |

:<math>P(v)dv = 4 \pi v^2 dv \left( \frac{m}{2 \pi k_B T} \right)^{3/2} \exp (-mv^2/2k_B T) </math> | :<math>P(v)dv = 4 \pi v^2 dv \left( \frac{m}{2 \pi k_B T} \right)^{3/2} \exp (-mv^2/2k_B T) </math> |