- #1

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Where does the 3/2 come from?

[tex]\frac{1}{2} mv^2 = \frac{3}{2} kT [/tex]

[tex]\frac{1}{2} mv^2 = \frac{3}{2} kT [/tex]

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- Thread starter johnathon
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- #1

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Where does the 3/2 come from?

[tex]\frac{1}{2} mv^2 = \frac{3}{2} kT [/tex]

[tex]\frac{1}{2} mv^2 = \frac{3}{2} kT [/tex]

- #2

sophiecentaur

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This link gives a short and sweet bit of book work. That Hyperphysics site is good for many things, actually.

- #3

Doc Al

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There are three translational degrees of freedom, each contributing 1/2kt to the total energy. This from the equipartition theorem.Where does the 3/2 come from?

[tex]\frac{1}{2} mv^2 = \frac{3}{2} kT [/tex]

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