Physics, 13.10.2020 23:01 deibilopez4
A train travels from Boston to New York. It travels at a speed of 180 km/h for two hours, speeds up to 200 km/h for the next four hours and then slows down to 120 km/h for the next six hours. What is the average speed of the train for this trip?
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A train travels from Boston to New York. It travels at a speed of 180 km/h for two hours, speeds up...
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