The distance between the towers of the main span of the Golden Gate Bridge is about 1280m; the sag of the cable halfway between the towers on a cold winter day is about 143m. (a) How long is the cable, assuming it has an approximately parabolic shape? (HINT: Represent the cable as a parabola of the form y = kx2 and determine k to at least 1 decimal place.) I got 1321.38m. is that correct?
The distance between the towers of the main span of the Golden Gate Bridge is about 1280m; the sag of the cable halfway between the towers on a cold winter day is about 143m. (a) How long is the cable, assuming it has an approximately parabolic shape? (HINT: Represent the cable as a parabola of the form y = kx2 and determine k to at least 1 decimal place.) I got 1321.38m. is that correct?
Elementary Geometry for College Students
6th Edition
ISBN:9781285195698
Author:Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:Daniel C. Alexander, Geralyn M. Koeberlein
Chapter4: Quadrilaterals
Section4.3: The Rectangle, Square, And Rhombus
Problem 39E
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The distance between the towers of the main span of the Golden Gate Bridge is about 1280m; the sag
of the cable halfway between the towers on a cold winter day is about 143m.
(a) How long is the cable, assuming it has an approximately parabolic shape? (HINT: Represent the
cable as a parabola of the form y = kx2 and determine k to at least 1 decimal place.)
I got 1321.38m. is that correct?
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