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  2. Milliradian - Wikipedia

    en.wikipedia.org/wiki/Milliradian

    ⁠ 0.25 / 10 ⁠ mrad, ⁠ 1 / 8 ⁠ ′ and ⁠ 0.5 / 10 ⁠ mrad are used in speciality scope sights for extreme precision at fixed target ranges such as benchrest shooting. Some specialty iron sights used in ISSF 10 m, 50 m and 300 meter rifle come with adjustments in either ⁠ 0.5 / 10 ⁠ mrad or ⁠ 0.25 / 10 ⁠ mrad. The small ...

  3. Jim Hines - Wikipedia

    en.wikipedia.org/wiki/Jim_Hines

    James Ray Hines (September 10, 1946 – June 3, 2023) was an American track and field athlete and National Football League (NFL) player, who held the 100-meter world record for 15 years. In 1968, he became the first man to officially break the 10-second barrier in the 100 meters, and won individual and relay gold at the Mexico City Olympics. [2]

  4. 10-second barrier - Wikipedia

    en.wikipedia.org/wiki/10-second_barrier

    8 Trayvon Bromell had broken the 10-second barrier a total of three times (9.99w, 9.77w, 9.92w) prior to recording 9.97, but all were wind-aided. 9 Prior to recording his first legal sub-10 run, Andre De Grasse ran a wind-aided 9.87 on 18 April 2015. 10 Jak Ali Harvey was born in Jamaica. 11 Ramil Guliyev was born in Azerbaijan.

  5. Cable length - Wikipedia

    en.wikipedia.org/wiki/Cable_length

    A cable length or length of cable is a nautical unit of measure equal to one tenth of a nautical mile or approximately 100 fathoms.Owing to anachronisms and varying techniques of measurement, a cable length can be anywhere from 169 to 220 metres (185 to 241 yd), depending on the standard used.

  6. American football field - Wikipedia

    en.wikipedia.org/wiki/American_football_field

    The rectangular field of play used for American football games measures 100 yards (91.44 m) long between the goal lines, and 160 feet (48.8 m) (53.3 yards) wide. The field may be made of grass or artificial turf. In addition, there are two end zones on each end of the field, extending another 10 yards (9.144 m) past the goal lines to the "end ...

  7. League (unit) - Wikipedia

    en.wikipedia.org/wiki/League_(unit)

    miglio [10] Sicily: 1,500: Persian mile: Persia: 1,524: London mile: England: 1,609.3426 (statute) mile: England/UK: 1592: 1959: 1,760 yards: Over the course of time, the length of a yard changed several times and consequently so did the English (and, from 1824, Imperial) mile. The statute mile was introduced in 1592 during the reign of Queen ...

  8. Rod (unit) - Wikipedia

    en.wikipedia.org/wiki/Rod_(unit)

    A chain is a larger unit of length measuring 66 feet (20.1168 m), or 22 yards, or 100 links, [11] or 4 rods (20.1168 meters). There are 10 chains or 40 rods in a furlong (eighth-mile), and so 80 chains or 320 rods in one statute mile (1760 yards, 1609.344 m, 1.609344 km); the definition of which was legally set in 1593 and popularized by Royal ...

  9. Yard - Wikipedia

    en.wikipedia.org/wiki/Yard

    The yard (symbol: yd) [3] [4] is an English unit of length in both the British imperial and US customary systems of measurement equalling 3 feet or 36 inches. Since 1959 it has been by international agreement standardized as exactly 0.9144 meter. A distance of 1,760 yards is equal to 1 mile. The US survey yard is very slightly longer.