We discuss the difference between distance and displacement. Unit 2 Segment A: Distance and Displacement We discuss the difference between distance and displacement and look at examples of what ...
It is not only moving objects whose speed can vary. The speed of the wind and the speed of sound also vary. A typical value for the speed of sound in air is about 330 m/s.
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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