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 ...

Save guides, add subjects and pick up where you left off with your BBC account. Carol is jogging at constant velocity. Below is the displacement-time graph for the first 10 s of her jog.

Let's imagine that you are in a car with no windows. I know that's crazy, but just hold on. Although there are no windows, you can see the speedometer. So here is the question. Is it possible to ...