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Answer to Question #18951 in Mechanics | Relativity for Stacey
Question #18951
A train takes 5.0 minutes to travel 6km.It accelerates uniformly for 2/3 of its journey time and decelerates uniformly for the remainder,starting adn finishing at rest.
1. Sketch a speed time graph for the journey
2. what does the area under this graph represent?
3. use the graph to calculate the distance that the train travels while accelerating?
4. calculate maximum velocity of the train?
5. calculate the acceleration for the first 2/3 of the journey time?
6. calculate the speed of the journey when it is halfway(in distance) between the start and finish of its journey?
1. Sketch a speed time graph for the journey
2. what does the area under this graph represent?
3. use the graph to calculate the distance that the train travels while accelerating?
4. calculate maximum velocity of the train?
5. calculate the acceleration for the first 2/3 of the journey time?
6. calculate the speed of the journey when it is halfway(in distance) between the start and finish of its journey?
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