Kinematics

Displacement, velocity and acceleration; motion graphs; the equations of uniformly accelerated motion; free fall and projectile motion.

Describing motion

Displacement

s

— distance in a stated direction (vector, m).

Velocity

v

— rate of change of displacement (vector, m s⁻¹):

v = \dfrac{\Delta s}{\Delta t}

Acceleration

a

— rate of change of velocity (vector, m s⁻²):

a = \dfrac{\Delta v}{\Delta t}

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