Ch9sum

This document discusses kinematic equations and concepts related to motion including velocity, acceleration, displacement, time, momentum, kinetic energy, and potential energy. It provides the key kinematic equations: s = ut + 1/2 at^2 v = u + at Where s is displacement, u is initial velocity, v is final velocity, a is acceleration, and t is time. It notes these equations require constant acceleration. Graphs are more useful when motion is irregular. It also discusses concepts like acceleration due to gravity, components of velocity, momentum, kinetic and potential energy, and power.