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These two bits of data, a direction and a magnitude, thus determine a tangent vector at the base point. The map from tangent vectors to endpoints smoothly sweeps out a neighbourhood of the base point and defines what is called the exponential map, defining a local coordinate chart at that base point. The neighbourhood swept out has similar ...
Each side of the bridge contains an anchorage for the main cables. The anchorages are trapezoidal limestone structures located slightly inland of the shore, measuring 129 by 119 feet (39 by 36 m) at the base and 117 by 104 feet (36 by 32 m) at the top. [5] [6] Each anchorage weighs 60,000 short tons (54,000 long tons; 54,000 t). [5]
The number π (/ p aɪ / ⓘ; spelled out as "pi") is a mathematical constant, approximately equal to 3.14159, that is the ratio of a circle's circumference to its diameter.It appears in many formulae across mathematics and physics, and some of these formulae are commonly used for defining π, to avoid relying on the definition of the length of a curve.
IEC 60756 Non-broadcast video tape recorders – Time base stability; IEC 60757 Code for designation of colours; IEC 60758 Synthetic quartz crystal – Specifications and guidelines for use; IEC 60759 Standard test procedures for semiconductor X-ray energy spectrometers; IEC 60760 Flat, quick-connect terminations (merged into IEC 61210:2010-08)
In 1998, a meteorite, approximately 2.5 millimeters (1 ⁄ 8 in) across, was described from a deep sea sediment core from the North Pacific, from a sediment sequence spanning the Cretaceous–Paleogene boundary (when the site was located in the central Pacific), with the meteorite being found at the base of the K-Pg boundary iridium anomaly ...
For 1958, Toyota introduced the Crown in sedan form only (Standard and Deluxe) with a base price of US$2,187 (equivalent to about $23,096 in 2023). Options included $94 AM radio and $75 whitewall tires. By comparison, an optioned up Crown was $32 more than the base Chevy Del Ray and $10 more than the Rambler Rebel V8 sedan. [24]
In mathematics, the logarithm of a number is the exponent by which another fixed value, the base, must be raised to produce that number. For example, the logarithm of 1000 to base 10 is 3, because 1000 is 10 to the 3 rd power: 1000 = 10 3 = 10 × 10 × 10. More generally, if x = b y, then y is the logarithm of x to base b, written log b x, so ...
The domestic fire-altar in the Vedic period was required by ritual to have a square base and be constituted of five layers of bricks with 21 bricks in each layer. One method of constructing the altar was to divide one side of the square into three equal parts using a cord or rope, to next divide the transverse (or perpendicular) side into seven ...