English 10th grade passage reading type question topic walking
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Two hockey players are about to collide on the ice. One player has a mass of 66 kg and is traveling at 1.5 m/s north. The other has a mass of 75 kg and is
traveling at 1.2 m/s south. The system consists of the two tlockey players.
According to the law of conservation of momentum, what is the total
momentum of the system after they collide? Assume the collision is an
elastic collision.
A. 189 kg-m/s south
O B. 9 kg-m/s north
C. 189 kg. m/s north
D. 9 kg m/s south
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