Question 112798

{{{S= (1/2) gt^2}}} 

solve for {{{g}}}

{{{S= (1/2) gt^2}}} .......multiply both sides by {{{2}}}

{{{2S= 2(1/2) gt^2}}} 


{{{2S= gt^2}}} ...divide both sides by {{{t^2}}}

{{{2S/t^2= gt^2/t^2}}} 

{{{2S/t^2= g}}} 

or

{{{g = 2S/t^2}}}