5 mina is cycling home. this graph shows her journey. a find her distance from home after 2 hours. b how long did she take to cycle home? c work out how far she travelled in the first 3 hours. d work out how far she travelled in the second 3 hours. e mina said: 'i cycled more quickly in the second 3 hours than i did in the first 3 hours.' is this true? give a reason for your answer.
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A velocity-time graph has the velocity or speed of an object on the vertical axis and time on the horizontal axis. The distance travelled can be calculated by finding the area under a velocity-time graph. If the graph is curved, there are a number of ways of estimating the area (see trapezium rule below).
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