Two cars collide at an intersection. one car has a mass of 1300 kg and is
moving 12 m/s to the north, while the other has a mass of 1400 kg and is
moving 11 m/s to the south. what is their combined momentum?
o
a. 200 kg•m/s south
b. 31,000 kg*m/s south
o
c. 31,000 kg•m/s north
o
d. 200 kg-m/s north
submit

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their crystal patterns have been disrupted by stress

conduction, convection, radiation