Question

Prove s= ut + 1/2 at square

Answer 1

We could first work out v from "v = u + at". But let's be radical and substitute "v = u + at" into the second equation!
s = ½ (u + v) × t
s = ½ (u + u + at) × t
s = ut + ½ at²
A third equation, useful for finding displacement when you know the initial velocity, time and acceleration