Forbes contributors publish independent expert analyses and insights. I help people communicate data clearly with graphs. Never use more dimensions in your figure than there are variables in the data ...
Distance-time graphs show distance on the vertical axis and time on the horizontal axis. The gradient of a distance-time graph represents speed because gradient = \( \frac{\text{change in ...
The speed is \( \frac {20}{10} = 2~m/s\). Key fact The gradient of a distance-time graph represents speed. When displaying a journey, the vertical axis will often represent the distance from a ...
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