What Is the Rough Estimate for Temperature in Statistical Mechanics Homework?

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Homework Statement

Please see attached

Homework Equations

The Attempt at a Solution

Ok so I've done the first part okay and got S = 17.38 times the Boltzmann constant.

Just don't see how to make a rough estimate of the temp.. what is epsillon>?

 

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any ideas anyone?

 

[bon]

how am i meant to link it to temp?

 

[bon]

Peopleeee?