A sample of ideal gas expands from (P1,V1)=(1.0×105Pa,0.020m3) to (P2,V2)=(3.0×105Pa,0.050m3) along a straight-line (linear) path on a PV diagram. Determine the work done BY the gas during this expansion.
(a) 9.0×103J
(b) 3.0×103J
(c) 6.0×103J
(d) 7.0×103J