How to figure this out? The underside of a bridge has the shape of a parabolic arch with maximum height 50m and width 100m. Supports 30m high are placed under the bridge.
The underside of a bridge forms a parabolic arch that has a max height of 30m above the water and a width of 50m A boat with a mast that reaches 27m
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Full article: Water level dynamics of Amazon wetlands at the watershed scale by satellite altimetry
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Full article: Water level dynamics of Amazon wetlands at the watershed scale by satellite altimetry
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Full article: Water level dynamics of Amazon wetlands at the watershed scale by satellite altimetry