Could somebody Please work this problem out for me ?

The thermal efficiency,e, of a heat engine is

defined by e = (Qh-Qc)/Qh, where Qh is the heat absorbed in one cycle and Qc is the heat released into a reservoir in one cycle. Find (d^2e)/(dQh^2).

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- Jun 13th 2006, 12:26 PM #1

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## Please Help !!!

Could somebody Please work this problem out for me ?

The thermal efficiency,e, of a heat engine is

defined by e = (Qh-Qc)/Qh, where Qh is the heat absorbed in one cycle and Qc is the heat released into a reservoir in one cycle. Find (d^2e)/(dQh^2).

- Jun 13th 2006, 12:53 PM #2

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