SOLUTION: If a rocket is launched from Houston, Texas, with an initial velocity of 1600 feet per second, when will the rocket be 14,400 feet high?
Algebra.Com
Question 820359: If a rocket is launched from Houston, Texas, with an initial velocity of 1600 feet per second, when will the rocket be 14,400 feet high?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
If a rocket is launched from Houston, Texas, with an initial velocity of 1600 feet per second, when will the rocket be 14,400 feet high?
---------------
h(t) = -16t^2+1000t
------
Solve:: -16t^2+1000t-14,400 = 0
(2x-45)(-8t+40) = 0
---------------
Positive solution:
x = 22.5 seconds
-----------------------------
Cheers,
Stan H.
-----------------
RELATED QUESTIONS
If a rocket is launched with an initial velocity of 1600 feet per second, when will the... (answered by Alan3354)
A rocket is launched straight up from the ground with an initial velocity of 96 feet per... (answered by Alan3354,josmiceli)
A rocket is launched straight up from the ground with an initial velocity of 96 feet per... (answered by Alan3354)
JP launches a rocket straight upwards from a height of 20 feet above the ground with an... (answered by ikleyn,addingup)
JP launches a rocket straight upwards from a height of 20 feet above the ground with an... (answered by Alan3354)
JP launches a rocket straight upwards from a height of 20 feet above the ground with an... (answered by Alan3354)
A toy rocket is launched from the ground with an initial velocity of 80 feet per second.... (answered by stanbon)
A toy rocket is launched from the ground with an initial velocity of 80 feet per second.... (answered by stanbon)
A rocket is launched straight up from the ground with an initial velocity of 224 feet per (answered by Alan3354)