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A mysterious object is accelerated in a straight line across the table by a mysterious force. The force is not constant, but varies depending on the position of the object. The graph and equations below give the magnitude of the force F on the object as a function of the position x of the object. Find the work Wo done by the force on the object as it travels from x-4.00 mm to x-7.00 mm 20 N 100 x+ 60 N, 0 mm<x<2 mm 2 mm 80 60 N 4 mm x)110 N 40 N 4 m mn x, 2 mmsx<6 mm 60 x-40 N, 6 mmSx<10 mm 40 20 Number 4 6 10 Wo= 11 130 x 10 x [mm]

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