A person in a whispering gallery standing at one focus of the ellipse can whisper and be heard by a person standing at the other focus because all the sound waves that reach the ceiling are reflected to the other person. If a whispering gallery has a length of 314 meters, and the foci are located 85 meters from the center, find the height of the ceiling at the center.
A person in a whispering gallery standing at one focus of the ellipse can whisper and be heard by a person standing at the other focus because all the sound waves that reach the ceiling are reflected to the other person. If a whispering gallery has a length of 314 meters, and the foci are located 85 meters from the center, find the height of the ceiling at the center.
Chapter8: Analytic Geometry
Section8.1: The Ellipse
Problem 67SE: A person in a whispering gallery standing at one focus of the ellipse can whisper and be heard by a...
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A person in a whispering gallery standing at one focus of the ellipse can whisper and be heard by a person standing at the other focus because all the sound waves that reach the ceiling are reflected to the other person. If a whispering gallery has a length of 314 meters, and the foci are located 85 meters from the center, find the height of the ceiling at the center.
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