Question

A certain fluid at 10 bar is contained in a cylinder behind a piston, the initial volume being 0.05^m3. Calculate the work done by the fluid when it expands reversibly according to linear law to a final volume of 0.2m^3 and a final pressure of 2 bars.

Answer 1

$A=p_2V_2-p_1V_1=0.1~J.$