Wednesday

November 26, 2014

November 26, 2014

Posted by **lisa** on Monday, July 8, 2013 at 11:34am.

Find the maximum height the rocket attains:

After how many seconds does it reach this height?

- algebra1 HELP PLEASE -
**Steve**, Monday, July 8, 2013 at 11:37amby now you know about parabolas.

h(t) = 160t - 16t^2

the vertex of a parabola is at t = -b/2a, which here is

t = 160/32 = 5

So, at t=5, h(t) = 400

**Answer this Question**

**Related Questions**

math - The height in feet of a rocket after t seconds is given by h(t) = 160t - ...

math - A model rocket is launched with an initial velocity of 160 ft/s. The ...

Math - A rocket follows a parabolic trajectory. After t seconds, the vertical ...

Math/calculus - a toy rocket is shot into the air at the top of a building so ...

college algebra - A model rocket is launches upward with an initial velocity of ...

Algebra: Quadratic Functions - A model rocket is launched with an initial ...

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 - Two kids are building a rocket for science class. once the rocket is ...

calculus - the height in feet of a rocket from ground level is given by the ...