Question 162665
{{{25 = 48t^2}}}
Divide both sides by {{{48}}}
{{{t^2 = 25/48}}}
Take the square root of both sides
{{{t = .722}}}sec
the hang time is .722 sec
Now check answer
{{{25 = 48*.722^2}}}
{{{25 = 48*.521}}}
{{{25 = 25.02}}}close enough