janessa0804
06.07.2019 •
Physics
Atrain leaves the station heading west on the tracks . it takes the train 8 seconds to reach 80 miles per hour . it completes the entire 160 mile trip in two hours . calculate the train's average speed and velocity over the two hour trip . show your work . identify if each of the measurements are a scalar or vector quantity.
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Ответ:
Average speed=160/2=80mile/hour
Ответ:
Explanation:
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