Question

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.

I know what the answer is but I don't know how the equation for the three parts of the journey would be made.

Answer 1

Answer:

know what the answer is but I don't know how the equation for the three parts of the journey would be made.