Question
A horizontal pedestrian bridge is supported from a parabolic arch. The bridge goes above a roadway that is 49 feet wide. At ground level, the Main Street span of the arch touches the ground, the arch is 16 ft. High. How tall is the arch at it’s tallest point?
Answers
of course at ground level the arch touches the ground.
I'm not clear just what is where.
I'm not clear just what is where.
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