SOLUTION: The path of a paper airplane can be modeled approximately by the function , h= -0.5t^2 + 8.3t + 2.1 where h is the height above ground, in metres, and t is the time in seconds.

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: The path of a paper airplane can be modeled approximately by the function , h= -0.5t^2 + 8.3t + 2.1 where h is the height above ground, in metres, and t is the time in seconds.      Log On


   

Question 1159603: The path of a paper airplane can be modeled approximately by the function ,
h= -0.5t^2 + 8.3t + 2.1 where h is the height above ground, in metres, and t is the time in seconds. Determine how long it takes for the paper airplane to hit the ground.
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