SOLUTION: at a height of h meters, you can see V kilometers to the horizon. These numbers are related by the equation V = 3.5 sqrt h. A person can see 385 km to the horizon from an airplane

Algebra ->  Equations -> SOLUTION: at a height of h meters, you can see V kilometers to the horizon. These numbers are related by the equation V = 3.5 sqrt h. A person can see 385 km to the horizon from an airplane       Log On


   



Question 384346: at a height of h meters, you can see V kilometers to the horizon. These numbers are related by the equation V = 3.5 sqrt h. A person can see 385 km to the horizon from an airplane window. How high is the airplane?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
at a height of h meters, you can see V kilometers to the horizon. These numbers are related by the equation V = 3.5 sqrt h. A person can see 385 km to the horizon from an airplane window. How high is the airplane?
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V = 3.5*sqrt(h)
385 = 3.5*sqrt(h)
sqrt(h) = 110
h = 110^2 = 12,100 meters
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Cheers,
Stan H.