일반물리학 1 — Center of Mass and Linear Momentum: Problem 11

11 A big olive (m = 0.50 kg) lies at the origin of an xy coordinate system, and a big Brazil nut (M = 1.5 kg) lies at the point (1.0, 2.0) m. At t = 0, a force \(\vec{F}_o = (2.0\hat{i} + 3.0\hat{j})\) N begins to act on the olive, and a force \(\vec{F}_n = (-3.0\hat{i} - 2.0\hat{j})\) 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 = 4.0 s, with respect to its position at t = 0?