Grace S.

asked • 10/31/19

I don't even know where to start

A bridge with a supporting parabolic arch spans 60 feet with a 30-ft wide road passing underneath the bridge. In order to have a minimum clearance of 16 feet at either edge of the roadway, what is the maximum clearance?

Paul M.

tutor
From the question it is not clear whether the parabola is concave or convex.
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10/31/19

Grace S.

convex, the bridge curves outward
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10/31/19

Mark M.

tutor
"Maximum clearance" for what? The description is very ambiguous.
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10/31/19

Grace S.

from the middle of the road passing to the top of the arc. (0,y) The maximum of the arc
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10/31/19

2 Answers By Expert Tutors

By:

Barbara F. answered • 10/31/19

Physics and Engineering Tutor, with specialization in advanced topics

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