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Planck units. 6.187 × 1024 lP. The angstrom[1][2][3][4] (/ ˈæŋstrəm /; [3][5][6] ANG-strəm[5]) is a unit of length equal to 10−10 m; that is, one ten- billionth of a metre, a hundred-millionth of a centimetre, [7] 0.1 nanometre, or 100 picometres. The unit is named after the Swedish physicist Anders Jonas Ångström (1814–1874). [7]
The metre (or meter in US spelling; symbol: m) is the base unit of length in the International System of Units (SI). Since 2019, the metre has been defined as the length of the path travelled by light in vacuum during a time interval of 1 / 299 792 458 of a second, where the second is defined by a hyperfine transition frequency of caesium.
The 10,000 metres at the Summer Olympics is the longest track running event held at the multi-sport event. The men's 10,000 m has been present on the Olympic athletics programme since 1912. The women's event was added to the programme over seventy years later, at the 1988 Olympics. It is the most prestigious 10,000 m race at elite level.
10. A nautical mile is a unit of length used in air, marine, and space navigation, and for the definition of territorial waters. [2][3][4] Historically, it was defined as the meridian arc length corresponding to one minute ( 1 60 of a degree) of latitude at the equator, so that Earth's polar circumference is very near to 21,600 nautical ...
The centimetre (SI symbol: cm) is a unit of length in the metric system equal to 10−2 metres ( 1 100 m = 0.01 m). To help compare different orders of magnitude, this section lists lengths between 10 −2 m and 10 −1 m (1 cm and 1 dm). 1 cm – 10 millimetres. 1 cm – 0.39 inches. 1 cm – edge of a square of area 1 cm 2.
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Linet Masai (KEN) 30:26.50 (2008) The 10,000 metres or the 10,000-metre run is a common long-distance track running event. The event is part of the athletics programme at the Olympic Games and the World Athletics Championships, and is common at championship-level events. The race consists of 25 laps around an Olympic-sized 400 m track.
The official world records in the 10,000 metres are held by Ugandan Joshua Cheptegei with 26:11 minutes for men and Kenyan Beatrice Chebet with 28:54.14 for women. [ 1 ] The first world record in the men's 10,000 metres was recognized by the International Association of Athletics Federations in 1912. The first ratified record, Jean Bouin's time ...