Homework Statement
The figure shows a PV diagram for 2.69 mole of oxygen gas in a sealed container. The temperature of state 1 is 21 C. Pressure is Pi. What is T3 and T4?
http://s74.photobucket.com/user/teysure/media/phyiscs.png.html?sort=3&o=0
my attempt at solving the solution...
find the curve at the point (-8,1) that gives the integrals length in the picture posted
i literally have no clue what to do. am i supposed to take the derivative of 16/y^3 and square it?