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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)

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