Forces and Motion

Noticing and recording speeds

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Differences recorded as a physical quantity

Relative movement, happening over duration, can be recorded as speed. Speed determines the rate of change position, so how quickly the distance changes with time.

Speed is a physical quantity so you must always quote a number and a unit, never just a number.

appears in the relation SUVAT Equations
can be represented by Motion Graphs
has the special case Wave Speed
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