Question: In The design of a rapid transit system, it is necessary to balance the average speed of a train against the distance between stops. The

In The design of a rapid transit system, it is necessary to balance the average speed of a train against the distance between stops. The more stops there are, the slower the train’s average speed. To get an idea of this problem, calculate the time it takes a train to make a 9.0 km trip in two situations?
(a) The stations at which the trains must stop are 1.8km apart (a total of 6 stations, including those at the ends). Assume that at each station the train accelerates at a rate of 1.1m/s2 until it reaches 90 km/h. then stays at this speed until its brakes are applied for arrival at the next station, at which time it decelerates at – 2.0m/s2. Assume it stops at each intermediate station for 20s.

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