1-a train travels 100 km to reach town a in one hour and 15 min. the train stops at station a for 45 minutes. then it travels 150 km to station b in 2 hours. what is the average velocity of the train?
average velocity= displacement/time
2-a car accelerates uniformly at the rate of 1.2 meters per second squared for a distance of 75 meters. if the truck started with a initial velocity of 6 meters per second, what is its velocity at the end of the 75 meters?
vf^2=vi^2 + 2as
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