Q. A fast train has a maximum operating speed of 300km/h. It is subject to a number of speed restrictions along its journey depending on where it is.
- The train leaves its destination in a city center at 13h
-The train can only travel at 100km/h for the first 50km of the journey
-After that, the train can accelerate to its maximum operating speed.
- For the last 40km of the journey, the train will have to slow to a speed of 80km/h
- The journey lasts 3 hours
a) Develop models for the 3 different parts of the journey and state the domains for which they are to be used.
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Hlo jtrisha
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