- #1
tigerlili
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Homework Statement
(a) If the maximum acceleration that is tolerable for passengers in a subway train is 1.54 m/s2 and subway stations are located 816 m apart, what is the maximum speed a subway train can attain between stations? (b) What is the travel time between stations? (c) If a subway train stops for 21.0 s at each station, what is the maximum average speed of the train, from one start-up to the next?
Homework Equations
x= vot + 1/2 at^2 (i think? I'm not sure what else to use.. but time is not given)
The Attempt at a Solution
i don't know where to start :/