A 3.0 kg body is at rest on a frictionless horizontal air track when a constant horizontal force F acting in the positive direction of an x axis along the track is applied to the body. A stroboscopic graph of the position of the body as it slides to the right is shown in Figure. The force F is applied to the body at t = 0 and the graph records the position of the body at 0.50 s intervals. How much work is done on the body by the applied force F between t = 0 and t = 2.0s?

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-t = 00.5 s 1.5 s 2.0 s 1.0s 0.2 0.2 0.6 0. 0.8 0.4 x (m)