Question 1138820
{{{ h(t) = -16t^2 + 32t }}}
{{{ h(t) = 16 }}}
{{{ -16t^2 + 32t = 16 }}}
{{{ -t^2 + 2t = 1 }}}
{{{ t^2 - 2t = -1 }}}
{{{ t = 1 }}} sec