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Consider a system to be two train cars traveling toward each other. what is the total momentum of the system before the train cars collide? kg โข what must the total momentum of the system be after the train cars collide? kg โข
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Atypical jetliner lands at a speed of 146 mi/h and decelerates at the rate of (10.4 mi/h)/s. if the jetliner travels at a constant speed of 146 mi/h for 1.5 s after landing before applying the brakes, what is the total displacement of the jetliner between touchdown on the runway and coming to rest?
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