Physics Craziness

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A big olive (m = 0.40 kg) lies at the origin of an xy coordinate system, and a big Brazil nut (M = 1.2 kg) lies at the point (1.0,2.0) m. At t = 0, a force o = (2.0 + 3.0) N begins to act on the olive, and a force n = (-3.0 - 2.0) N begins to act on the nut. In unit-vector notation, what is the displacement of the center of mass of the olive-nut system at t = 5.0 s, with respect to its position at t = 0?

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