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The cable of a uniformly loaded suspension bridge hangs in the form of a parabola.The roadway which is horizontal and 100 m long is supported by vertical lines wires attached to the cable,the longest wire being 30 m and the shortest wire being 6 m.Find the length of a supporting wire attached to the roadway 18 m from the middle. |
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Answer» The cable of a uniformly loaded suspension bridge hangs in the form of a parabola.The roadway which is horizontal and 100 m long is supported by vertical lines wires attached to the cable,the longest wire being 30 m and the shortest wire being 6 m.Find the length of a supporting wire attached to the roadway 18 m from the middle. |
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