SOLUTION: 7. The path of a paper airplane can be modeled approximately by the function h= -0.3t^2 + t + 1.5 , where h is the height above ground, in metres, and t is the time in seconds. De

SOLUTION: 7. The path of a paper airplane can be modeled approximately by the function h= -0.3t^2 + t + 1.5 , where h is the height above ground, in metres, and t is the time in seconds. De

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Question 1159605: 7. The path of a paper airplane can be modeled approximately by the function h= -0.3t^2 + t + 1.5 , 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.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
h= -0.3t^2 + t + 1.5
----------------------
-0.3t^2 + t + 1.5 = 0
Solve for t

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