The average speed over the whole journey can be found from a distance-time graph by...
Question
The average speed over the whole journey can be found from a distance-time graph by...
Solution
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Identify the total distance traveled: This is represented by the total vertical distance from the starting point to the ending point on the graph.
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Identify the total time taken: This is represented by the total horizontal distance from the start to the end of the journey on the graph.
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Divide the total distance by the total time: This calculation will give you the average speed for the entire journey.
Remember, the units of speed are typically kilometers per hour (km/h) or meters per second (m/s), depending on the units used in the graph.
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