The graph between the resistive force F acting on a body and the distance covered by the body is shown in the figure. The mass of the body is 25 kg and initial velocity is 2 m/s. When the distance covered by the body is 4m, its kinetic energy would be
(a) 50 J
(b) 40 J
(c) 20 J
(d) 10 J
Answer:d
(5)