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As can be seen by referring to the above tables, if a photographer has a camera with an X-sync speed of 1 / 125 th of a second, is shopping for a flash device, and desires the capability to fill shadows from up to 2.5 meters (8 feet) away, a flash device with a guide number of at least 22 (m) / 72 (ft) will be required.
Download as PDF; Printable version ... The template takes a three-digit Flight level number and converts it into feet and meters ... → FL200 (20,000 ft; 6,100 m ...
Therefore, a pressure altitude of 32,000 ft (9,800 m) is referred to as "flight level 320". In metre altitudes the format is Flight Level xx000 metres. Flight levels are usually designated in writing as FLxxx, where xxx is a two- or three-digit number indicating the pressure altitude in units of 100 feet (30 m). In radio communications, FL290 ...
In both customary and imperial units, one foot comprises 12 inches, and one yard comprises three feet. Since an international agreement in 1959, the foot is defined as equal to exactly 0.3048 meters. Historically, the "foot" was a part of many local systems of units, including the Greek, Roman, Chinese, French, and English systems. It varied in ...
18.44 meters – distance between the front of the pitcher's rubber and the rear point of home plate on a baseball field (60 feet, 6 inches) [125] 20 meters – length of cricket pitch (22 yards) [126] 27.43 meters – distance between bases on a baseball field (90 feet) 28 meters – length of a standard FIBA basketball court; 28.65 meters ...
FASL – feet above sea level [6] MAMSL – metres above mean sea level [5] MASL – metres above sea level [5] [6] MSL – mean sea level [7] For elevations or altitudes, often just the abbreviation MSL is used, e.g., Mount Everest (8849 m MSL), or the reference to sea level is omitted completely, e.g., Mount Everest (8849 m). [7]
Haldane published his "Decompression Tables" Table I and Table II, on pages 442 and 443. For ease of use, convert feet to meters by multiplying by 0.3048, and from psi to bar by multiplying by 0.0689475729. These tables allow divers to ascend to half of their ambient absolute pressure and remain for a calculated decompression time before ...
"NIST: Fundamental physical constants – Non-SI units" (PDF). Archived from the original (PDF) on 2016-12-27; NIST Guide to SI Units Many conversion factors listed. The Unified Code for Units of Measure; Units, Symbols, and Conversions XML Dictionary Archived 2023-05-02 at the Wayback Machine