Physics

Problem

When a body is released from rest and falls vertically through a distance

s

in time

t

, which of the following expressions gives the magnitude of the acceleration due to gravity

g

? a)

g=\dfrac{s}{t^{2}}

g=\dfrac{4s}{t^{2}}

g=\dfrac{2s}{t^{2}}

g=\dfrac{s}{2t^{2}}