Physics

Problem

Which one of the following expresses the displacement

s

of a body moving with uniform acceleration

a

in terms of its initial velocity

u

and time

t

only? a)

s = ut + at^{2}

s = \dfrac{(u + at)t}{2}

s = \dfrac{u^{2}}{2a}

s = ut + \dfrac{1}{2}at^{2}