Distance = Speed x Time
Time = Distance / Speed
Speed = Distance / Time
Distance-time graph
Speed = gradient
Remember Formula Using Units E.g.
Units of speed = km/h
Units of gradient = km/h
Speed-time graph
Distance travelled = Area under graph
Acceleration = gradient
Remember Formula using Units: E.g.
Units of distance = m
Units of area under graph = (m/s)s=m
Units of acceleration =
Units of gradient = (m/s)/s=
Useful Formula:
Area of trapezium = 1/2 x height x (sum of parallel sides)
The formula rhymes! 🙂