Results 11 to 20 of about 8,238 (159)

PENGENDALIAN PARABOLA BERGERAK MENGGUNAKAN MIKROKONTROLER

open access: yesIlkom Jurnal Ilmiah, 2017
Penelitian bertujuan merancang pengendalian parabola bergerak menggunakan Mikrokontroler, Aktuator sebagai penggerak untuk menggerakan parabola kearah timur dan kebarat dan switch sebagai titik tempu pada parabola sehingga dapat berbalik arah timur dan ...
Matalangi Matalangi
doaj   +3 more sources

Alternatif Lain Menentukan Panjang Garis Singgung di Luar Parabola

open access: yesMatematika, 2017
Panjang garis singgung melalui suatu titik di luar parabola dapat ditentukan dengan satu alternatif yaitu dengan jarak antara dua titik. Penulis menemukan alternatif lain menentukan panjang garis singgung melalui suatu titik di luar parabola dengan ...
Ade Novia Rahma   +2 more
doaj   +2 more sources

The Catenary in History and Applications (La Catenaria nella Storia e nelle Applicazioni)

open access: yesScience & Philosophy, 2017
The catenary is one of the most common curves; it is, in fact, the shape assumed by a homogeneous and inextensible chain, fixed to the extremities, which is subject only to its own weight.
Giuseppe Conti   +2 more
doaj   +1 more source

Applications of Differential Geometry of Curves in Roads Design

open access: yesRomanian Journal of Transport Infrastructure, 2023
An important role in the roads design is played by plane curves, if the road lies on a plane surface and by space curves, if the road can not be embeded in a plane.
Burlacu Adrian, Mihai Adela
doaj   +1 more source

ASPECTS AND GEOMETRIC INTERPRETATION IN SOLVING CONICAL SECTIONS

open access: yesJournal of Industrial Design and Engineering Graphics, 2019
In mathematics, a conic is the curve that is obtained by intersecting a plane with a cone. Is well known that the shape of this curve may differ quite a bit depending on the position of the intersection plane relative to the cone axis, as it is actually ...
Alina Duta   +4 more
doaj   +4 more sources

ON THE ARCHIMEDEAN CHARACTERIZATION OF PARABOLAS [PDF]

open access: yesBulletin of the Korean Mathematical Society, 2013
Archimedes knew that the area between a parabola and any chord $AB$ on the parabola is four thirds of the area of triangle $ΔABP$ where P is the point on the parabola at which the tangent is parallel to $AB$. We consider whether this property (and similar ones) characterizes parabolas. We present five conditions which are necessary and sufficient for a
Kim, Dong-Soo, Kim, Young Ho
openaire   +2 more sources

Bi-Directional Reflectance Factor Determination of the Railroad Valley Playa

open access: yesRemote Sensing, 2019
Vicarious calibration is the determination of an on-orbit sensor’s radiometric response using measurements over test sites such as Railroad Valley (RRV), Nevada.
Carol J. Bruegge   +10 more
doaj   +1 more source

CONSIDERATIONS ON THE SHAPE OF DISCHARGING CHAMBERS FOR THE ELECTRO-HYDRAULIC DEFORMING METHOD

open access: yesJournal of Industrial Design and Engineering Graphics, 2022
The electro-hydraulic plastic deforming method belongs to non-conventional plastic deforming techniques class. The shape of the discharging chamber and of the energy concentrators influences workpiece machining, along with the other parameters of the ...
Vanda – Ligia DANAILA   +1 more
doaj  

L'ANELLO CHE MANCA. E QUELLO CHE NON TORNA IN "NATHANS TOD" DI GEORG TABORI

open access: yesRiCognizioni, 2018
L’anello che manca. E quello che non torna in Nathans Tod di Georg Tabori propose a modern rereading of Lessing’s play Nathan the Wise (Nathan der Weise): Georg Tabori’s Nathans Death (Nathans Tod).
Emanuela Ferragamo
doaj   +1 more source

Parable of the parabola

open access: yesExpositiones Mathematicae
We study triangles and quadrilaterals which are inscribed in a circle and circumscribed about a parabola. Although these are particular cases of the celebrated Poncelet's Theorem, in this paper we {\it do not assume} the theorem but prove it along the way.
Vladimir Dragović   +1 more
openaire   +2 more sources

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