A body of mass 0.5 kg travels

A body of mass 0.5 kg travels in a straight line with velocity v = ax3/2 where a = 5 m-1/2s-1. The work done by the net force during its displacement from x = 0 to x = 2 m is

(a) 1.5 J

(b) 50 J

(c) 10 J

(d) 100 J