Mathematics, 05.07.2019 22:30 ImGoodAtLife7797
Arocket is launched into the air and follows the path, h (t) = -3 * t^2 + 12 * t t is time measured in seconds. determine how long it takes the rocket to hit the ground. show all work for full credit. my lesson didn't really explain this well for me. either that or i'm not getting it. could someone explain this a bit better? !
Answers: 1
![\bf h(t)=-3t^2+12t\implies \stackrel{h(t)}{0}=-3t^2+12t\implies 0=-3t(t-4)\\\\[-0.35em]~\dotfill\\\\0=-3t\implies 0=t\impliedby \textit{0 seconds when it took off from the ground}\\\\[-0.35em]~\dotfill\\\\0=t-4\implies 4=t\impliedby \textit{4 seconds later, it came back down}](/tpl/images/0055/6496/5e770.png)
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 14:10, SMURFETTE86
Can u guys do this ratio question. this is extremely urgent a tap is leaking water at a rage of 1l every 8 hours. how long will it take for the tap to leak a total of 300ml?
Answers: 1
You know the right answer?
Arocket is launched into the air and follows the path, h (t) = -3 * t^2 + 12 * t t is time measured...
Questions in other subjects:
History, 08.11.2019 01:31
