Question 28460
Following Newton's Laws of Motion
{{{h = 1/2 * gt^2}}} where g = acceleration due to gravity= {{{10m/s^2}}} and t is the time
So we get {{{ h = 1/2 * 10 * (2.2)^2}}}
I'll leave it to you to solve

And Newton was good enough to give this answer as well
{{{V^2 = 2gh}}}

Please substitute to find the answers