A cable of length L 1 D is suspended between two points
Chapter 7, Problem 7.114(choose chapter or problem)
A cable of length \(L+\Delta\) is suspended between two points that are at the same elevation and a distance L apart. (a) Assuming that \(\Delta\) is small compared to L and that the cable is parabolic, determine the approximate sag in terms of L and \(\Delta\). (b) If L = 100 ft and \(\Delta=4 \ \mathrm{ft}\), determine the approximate sag. [Hint: Use only the first two terms of Eq. (7.10).]
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