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distance time graphs
→directly proportional (crosses the orgin)
slope or gradient of a distance time graph
speed
slope or distance of a displacement time graph
velocity
slope or gradient of a velocity time graph
acceleration
area under the gradient of a velocity time graph
distance travelled
instantaneous speed
the speed of an object at a particular moment in time
instantaneous speed formula
v² = u² + 2as
use instantaneous speed formula to calculate:
→when an object is accelerating the speed or velocity changes
→to calculate the distance travelled or displacement use