Thread: solve the problem - finding the equation of a parabolic bridge

1.) An experimental model for a suspension bridge is built in the shape of a parabolic arch. In one section, cables runs from the top of one tower down to the roadway, just touching it there, and up again to the top of a second tower. The tower stand 80 inches apart. At a point between the towers and 28 inches along the road from the base of one tower, a cable is 1.44 inches above the roadway. Find the height of the towers.

Originally Posted by m3tbaby954

1.) An experimental model for a suspension bridge is built in the shape of a parabolic arch. In one section, cables runs from the top of one tower down to the roadway, just touching it there, and up again to the top of a second tower. The tower stand 80 inches apart. At a point between the towers and 28 inches along the road from the base of one tower, a cable is 1.44 inches above the roadway. Find the height of the towers.

Asked here: http://www.mathhelpforum.com/math-he...h-problem.html

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