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Chapter 4, Problem 4.003 The system of three particles has the indicated particle masses, velocities, and external forces. If r represents the location of the center of mass, determine r, d(r)/dt, d2(r)/dt2, T, Ho, and d(Ho/dt for this three-dimensional system 4.2 kg 1.5 m/s 12.1 m 16.6 N I 1.7 m/s 13 m x16kg 1.5 m/s 3.1 kg Answers: k) m k) m/s k) m/s2 d(r)/dt- kg m2/s2 k) kg.m2/s Ho = d(Ho)/dt = k) kg-m2/s2

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