50cm3 of air at a pressure of 5Nm-2 is enclosed in a metal tube by a piston. If the piston is pushed in a distance of 10cm, what will the pressure of the air become, if the cross-sectional area of the tube is 2cm-2? (Assume that the temperature remains constant throughout)
-
A.
12.5 Nm-2 -
B.
8.7 Nm-2 -
C.
8.3 Nm-2 -
D.
3.8Nm-2 -
E.
3.0Nm-2