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A method analogous to piece-wise linear approximation but using only arithmetic instead of algebraic equations, uses the multiplication tables in reverse: the square root of a number between 1 and 100 is between 1 and 10, so if we know 25 is a perfect square (5 × 5), and 36 is a perfect square (6 × 6), then the square root of a number greater than or equal to 25 but less than 36, begins with ...
Thus, a lens set to f /1.4 allows twice as much light to strike the focal plane as a lens set to f / 2. Therefore, each f-number factor of the square root of two (approximately 1.4) is also a stop, so lenses are typically marked in that progression: f / 1.4, 2, 2.8, 4, 5.6, 8, 11, 16, 22, 32, etc..
Although Russian word stress is often unpredictable and can fall on different syllables in different forms of the same word, the diacritic accent is used only in dictionaries, children's books, resources for foreign-language learners, the defining entry (in bold) in articles on Russian Wikipedia, or on minimal pairs distinguished only by stress ...
where the Boltzmann constant k B is the ideal gas constant divided by the Avogadro number, and = = is the root-mean-square speed. [86] This direct proportionality between temperature and mean molecular kinetic energy is a special case of the equipartition theorem , and holds only in the classical limit of a perfect gas .
1.4 2013. 1.5 2014. 1. ... Rebecca Root became the first openly ... Marc and Alan Steffan-Cowell became the first same-sex pair to convert their civil ...
From cosmological arguments, relic background neutrinos are estimated to have density of 56 of each type per cubic centimeter and temperature 1.9 K (1.7 × 10 −4 eV) if they are massless, much colder if their mass exceeds 0.001 eV/c 2. Although their density is quite high, they have not yet been observed in the laboratory, as their energy is ...
var x1 = 0; // A global variable, because it is not in any function let x2 = 0; // Also global, this time because it is not in any block function f {var z = 'foxes', r = 'birds'; // 2 local variables m = 'fish'; // global, because it wasn't declared anywhere before function child {var r = 'monkeys'; // This variable is local and does not affect the "birds" r of the parent function. z ...
The word varesh (وارش) meaning "rain" in Gilaki, indicates that this word is a combination of va + resh (وا + رش). Another point of view is that the correct pronunciation of the city's name is Resht (رِشت), taken from the root risidan (ریسیدن) or reshtan (رشتن), both meaning spin , [ 9 ] and the reason for this name is the ...