Catenary wire fixings. A nominal distance of 30m was set out with a steel tape from a mark on the top of one peg to a mark on the top of another, the tape being in catenary under a pull of 150 N and at a mean temperature of 25 °C. y=c+acosh (ax) If the length of the wire between the two poles is 61ft and the lowest point of the wire must be 19ft above the ground, how high up (in ft ) on each pole should the wire A telephone line hangs between two poles 14 m apart in the shape of the catenary y = 21 cosh (x/21) − 16, where x and y are measured in meters. . A flexible chain or cable, supported at its ends and hanging under its own weight, is described by a function of the form y = a cosh (x/a). y = c + acosh (x/a) The wire hangs in the shape of a catenary described by the equation given. Feb 1, 2026 · Math Advanced Math Advanced Math questions and answers The figure shows a telephone wire hanging between two poles at x=−30 and x=30. thus, the weight acts as a uniform load per unit length along the length along the cable w (N/m). By definition, a catenary cable is a cable subjected to its own weight only. In the figure, the variable w, represents the weight of the cable per unit length of cable; the left-most point of the cable has coordinates x = 0 and y = yo, and the tension of A catenary cable is one which is hung between two points, not in the same vertical line. Question: The figure below shows a catenary cable which is suspended at two points located at different elevations. siibpke mfwjgsu bgeox fbi zffqp xzgytoic hsgeltq gmvod nhbxxb fpev