| Distance,
speed and velocity
- Speed
is the distance moved in one second or one hour.
Speed is usually measured in metres per second (m/s) or
kilometres per hour (km/hr).
- Speed


- Here is an equation triangle for speed,
distance and time. This will help you to check the correct
equations between these three variables.

Put your finger over one letter in the triangle to obtain
the right equation.
- Speed = the gradient of the distance–time
graph.
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