Thread: 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).

Originally Posted by mayster17

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).

Assuming that is not a function of :



so:



RonL