Question

The relation between the pressure and volume of a
system during expansion process is p = 9 V2. Where p
is in N/m2 and V in m3. The maximum work done by the
system in expanding from an initial volume of 1 m3 to
a final volume of 2 m3 would be:
(1) 13 J (2) 17 J
(3) 21 J (4) 25 J

Answer 1

Answer ======= (3) 21 J

Answer 2

Answer: you need integrate to workdone formula w = pdv