Physics

Problem

When an object is dropped from rest and falls a vertical distance

s

in time

t

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

g

in terms of

s

and

t

? a)

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

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

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

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