FA1 · Q5 · A.1 Kinematics · speed–time graphs, area as distance
Q5: a train and its speed–time graph
Use acceleration and time to find the top speed in terms of T, then use the area under the graph to find T.
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Hook
No numbers for T are given, so you have to work in symbols first. A graph question where the area does the heavy lifting.
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On a speed–time graph, the distance travelled is the…
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The area under the graph is a triangle with base T and height 0.16 T. Its area is…