1. Three particles have the following masses and coordinates: (1) 2 kg, (3 m, 2 m); (2)3 kg, (1 m, -4 m); (3) 4 kg, (-3m, 5 m). Find the coordinates of the center of mass. 2. A 1000-kg automobile is moving along a straight highway at 10 m/s. Another car, with a mass 2000 kg and speed 20 m/s is 30 m ahead of the first. (a) Find the position of the center of mass of the two automobiles; (b) Find the velocity of the center of mass.
1. Three particles have the following masses and coordinates: (1) 2 kg, (3 m, 2 m); (2)3 kg, (1 m, -4 m); (3) 4 kg, (-3m, 5 m). Find the coordinates of the center of mass. 2. A 1000-kg automobile is moving along a straight highway at 10 m/s. Another car, with a mass 2000 kg and speed 20 m/s is 30 m ahead of the first. (a) Find the position of the center of mass of the two automobiles; (b) Find the velocity of the center of mass.
Chapter3: Energy And Conservation Laws
Section: Chapter Questions
Problem 3C: In a head-on, inelastic collision, a 4,000-kg truck going 10 m/s east strikes a 1,000-kg car going...
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