Question: A 1200-kg station wagon is moving along a straight highway at 12.0 m/s. Another car, with mass 1800 kg and speed 20.0 m/s, has its

A 1200-kg station wagon is moving along a straight highway at 12.0 m/s. Another car, with mass 1800 kg and speed 20.0 m/s, has its center of mass 40.0 m ahead of the center of mass of the station wagon (Fig. 8.39).
(a) Find the position of the center of mass of the system consisting of the two automobiles.
(b) Find the magnitude of the total momentum of the system from the given data.
(c) Find the speed of the center of mass of the system.
(d) Find the total momentum of the system, using the speed of the center of mass. Compare your result with that of part (b).

A 1200-kg station wagon is moving along

1800 kg 1200 kg 20.0 m/s 12.0 m/s

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