Sunday
March 29, 2015

Homework Help: Math

Posted by Alyson on Monday, October 3, 2011 at 11:16pm.

11. A rocket is fired upward from some initial height above the ground. Its height h in feet above the ground t seconds after it is fired is given by h = -16t2 + 48t +448.
(i) What is its initial height? __________ ft.
(ii) What is its maximum height? ___________ ft.
(iii) How long does it take to reach the ground? __________ sec.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

college algebra - a rocket is fired upward from some initial distance above the ...
algebra - The question I have is to solve the problem. A model rocket is ...
algebra - A model rocket is launched upward with an initial velocity of 200 feet...
math - A model rocket is launched with an initial velocity of 160 ft/s. The ...
math - A model rocket is launched with an initial velocity of 250 ft/s. The ...
math - A model rocket is launched with an initial velocity of 250 ft/s. The ...
Math - A model airplane is shot up from a platform 1 foot above the ground with ...
Math - A rocket is launched upward and then falls to the ground. The height of ...
calculus - Can some explain how to do this problem? I tried using derivatives...
Math - An object is projected vertically upward from the top of a building with ...

Members