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originally posted in:Secular Sevens
Edited by Ninja Guardian:
11/26/2013 6:41:45 AM
9
How do you solve this?
A satellite dish is shaped like a parabloid of revolution, the signals that emanate from a satellite strike the surface of the dish and are reflected to a single point, where the receiver is located. If the dish is 16 feet across at its opening and 2 feet deep at its center. At what position should the receiver be placed?
How do you solve this and what is the answer?
EDIT: Okay, after applying (8,2) to the formula y=(1/4z)x^2 the answer is z = 8. Thank you all who helped.
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Edited by Froggert: 11/26/2013 6:34:22 AMUm.. The middle?
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No! I don't want to do Maths! My exams are done! DONE I TELL YOU!
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13 Repliesy=(1/4z)x^2 ; (16,2) Plug in and solve.
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[b] [/b]
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[quote] parabloid of revolution[/quote] what?
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4 RepliesI'm going to assume it's an elliptic paraboloid, it should be easy to find the focus of the satellite dish?
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2 RepliesIt's simple, really.
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Potato.
