Wednesday

April 1, 2015

April 1, 2015

Posted by **Rose** on Tuesday, March 12, 2013 at 5:36am.

- algebra -
**bobpursley**, Tuesday, March 12, 2013 at 5:47amhit the ground? then h=0

0=-t^2 + 3t+28=t^2-3t-28=(t-7)(t+4)=0

t=7 seconds

**Answer this Question**

**Related Questions**

Math - A model rocket is shot straight up from the roof of a school. The height ...

Math - A model rocket is launched from a roof of a building. Its path is ...

Math - A model rocket is launched straight upward with initial velocity of 22 m/...

Math Gr 12 - A model rocket is shot straight into the air. Its height in meters ...

Math - the height, at a given time, of a child above the ground when the child ...

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

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

physics - a model rocket rises with constant accerleration to a height of 3.2 m...

physic (PLEASE READ) - a model rocket rises with constant accerleration to a ...

Algebra - A toy rocket that is shot in the air with an upward velocity of 48 ...