Question 369967
I'm assuming fired straight up at 1764 m/s.
{{{h(t)=-(1/2)gt^2+v[0]*t}}}
{{{h(t)=-4.9t^2+1764t}}}
Find {{{t}}} when {{{h=0}}}.
{{{(-4.9t+1764)t=0}}}
Two solutions:
{{{t=0}}}sec
.
.
.
{{{-4.9t+1764=0}}}
{{{4.9t=1764}}}
{{{t=1764/4.9}}}
{{{highlight(t=360)}}}sec