Calculating the Fall Time of a High Diver from 36 m

[Stroodle]

If a high diver plunges from 36m above the water, what is the length of the time interval during which the diver falls through the air? - assume that throughout their dive, the diver is falling vertically from rest with an acceleration of 10\ ms^{-2}
I'm not sure how to answer this. I think I'm missing something really basic here.

Thanks for your help.

 

[Cyosis]

Could you list the equation(s) you think are relevant to this problem? Hint: kinematic equations.

 

[Stroodle]

Oh. I've got it now. x=\frac{at^2}{2}. I missed that one when I looked through my formulas.

Thanks