The second chapter from the new CIE A level specification, regarding kinematics. Written by a Cambridge offer-holder and A*A*A* predicted student. Hand-drawn diagrams and detailing included.
Distance = the total length of the path travelled by an object
Displacement = the vector quantity indicating the straight line distance from the start point
of an object to its end point
Speed = the scalar quantity indicating the rate of change of distance travelled
Velocity = the rate of change of displacement
Acceleration = the rate of change of velocity
Graphs
Displacement-time graphs:
o Gradient is velocity
Velocity-time graphs:
o Area under is displacement
o Gradient is acceleration
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