   Chapter 10.1, Problem 65E

Chapter
Section
Textbook Problem

Bridge Design A cable of a suspension bridge is suspended (in the shape of a parabola) between two towers that are 120 meters apart and 20 meters above the roadway (see figure). The cable touches the roadway midway between the towers. Find an equation for the parabolic shape of the cable. To determine
The equation for the parabolic shape of the cable for the below figure, Explanation

Given: Two towers which are 120m apart and 20m above from the roadway and the provided figure is,

Explanation:

The distance between the two towers is 120m.

That means, the point(60, 20) satisfies the parabolic equation x2=4py (because it

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