A seagull sits atop a cliff and spies a fish under the water. To catch the fish, the seagull dives off the cliff and follows a parabolic path to reach the fish. a) The seagull's flight path is modelled by y=2x²-28x+90, where y is the height above the water and x is the distance from the cliff in metres. What was the depth of the fish? b) If the fish had been 2 metres deeper and 3 metres farther from the cliff edge, where should the seagull have entered and emerged from the water?
A seagull sits atop a cliff and spies a fish under the water. To catch the fish, the seagull dives off the cliff and follows a parabolic path to reach the fish. a) The seagull's flight path is modelled by y=2x²-28x+90, where y is the height above the water and x is the distance from the cliff in metres. What was the depth of the fish? b) If the fish had been 2 metres deeper and 3 metres farther from the cliff edge, where should the seagull have entered and emerged from the water?
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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A seagull sits atop a cliff and spies a fish under the water. To catch the fish, the seagull dives off the cliff and follows a parabolic path to reach the fish.
a) The seagull's flight path is modelled by y=2x²-28x+90, where y is the height above the water and x is the distance from the cliff in metres. What was the depth of the fish?
b) If the fish had been 2 metres deeper and 3 metres farther from the cliff edge, where should the seagull have entered and emerged from the water?
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