A body of mass `0.5 kg` travels in a straight line with velocity `v =a x^(3//2)` where `a = 5 m//s^(2)`. The work done by the net force during its displacement from `x = 0` to `x = 2 m` is

Options

A. 100 J
B. 50 J
C. 70 J
D. 10 J

Answer

B