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Froebel star: November 2013: A line integral is an integral where the function to be integrated, be it a scalar field as here or a vector field, is evaluated along a curve.The value of the line integral is the sum of values of the field at all points on the curve, weighted by some scalar function on the curve (commonly arc length or, for a vector field, the scalar product of the vector field ...
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The curve of the chains of a suspension bridge is always an intermediate curve between a parabola and a catenary, but in practice the curve is generally nearer to a parabola due to the weight of the load (i.e. the road) being much larger than the cables themselves, and in calculations the second-degree polynomial formula of a parabola is used.
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Parabola-and-inscribed_triangle.png: Mattes This is a retouched picture , which means that it has been digitally altered from its original version. Modifications: Converted image to SVG .
Needpix - library of more than 1.5 million free, or so-called Public Domain Photos and Illustrations licensed with CC0. PDPics.com – Public domain photo collection with about 7400 high resolution pictures up to 6000x4000. All images licensed under CC0 license. Smithsonian Institution – Open Access – 2.8 million Free Public Domain images ...
The first competition saw participation from over 2,200 contestants, with the number of images exceeding 10,000. [4] [6] In 2023 there were more than 7,500 photos submitted. [10] In 2017, there were five categories: People in Science, Microscopy images, Non-photographic media, Image sets, and a General category.