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  2. Orders of magnitude (length) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(length)

    1.75 m – (5 feet 8 inches) – height of average U.S. male human as of 2002 (source: U.S. CDC as per female above) 2.4 m – wingspan of a mute swan; 2.5 m – height of a sunflower; 2.7 m – length of a leatherback sea turtle, the largest living turtle; 2.72 m – (8 feet 11 inches) – tallest-known human (Robert Wadlow) [31]

  3. 5.5 Metre - Wikipedia

    en.wikipedia.org/wiki/5.5_Metre

    5.5-metre class Olympic race in Helsinki 1952. Boats are German Tom Kyle (G I), Gold medalist Complex II (US I) and Danish Jill (D 2).. The 5.5-metre class was a redesign of the 6-metre class by Charles E. Nicholson in 1937.

  4. List of unusual units of measurement - Wikipedia

    en.wikipedia.org/wiki/List_of_unusual_units_of...

    [25] [26] The standard FIFA football pitch for international matches is 105 m (344 ft) long by 68 m (223 ft) wide (7,140 m 2 or 0.714 ha or 1.76 acres); FIFA allows for a variance of up to 5 m (16.4 ft) in length in either direction and 7 m (23.0 ft) more or 4 m (13.1 ft) less in width (and larger departures if the pitch is not used for ...

  5. Average human height by country - Wikipedia

    en.wikipedia.org/wiki/Average_human_height_by...

    18 (N= m/f:>300,000; Jakarta: male average = 165.1 cm, female average = 155.6 cm) — Measured: 2018 [86] Iran: 170.3 cm (5 ft 7 in) 157.2 cm (5 ft 2 in) 1.08: 21+ (N= m/f:89,532, SD= m:8.05 cm (3.2 in) f:7.22 cm (2.8 in)) 88.1%: Measured: 2005 [87] Iran: 173.4 cm (5 ft 8 + 1 ⁄ 2 in) 159.9 cm (5 ft 3 in) 1.09: 20–25 — Measured: 2005 [87] Iraq

  6. 5-inch/54-caliber Mark 42 gun - Wikipedia

    en.wikipedia.org/wiki/5-inch/54-caliber_Mark_42_gun

    United States naval gun terminology indicates the gun fires a projectile 5 inches (127.0 mm) in diameter, and the barrel is 54 calibers long (barrel length is 5" × 54 = 270" or 6.9 meters.) [1] In the 1950s a gun with more range and a faster rate of fire than the 5"/38 caliber gun used in World War II was needed, therefore, the gun was created ...

  7. BL 5.5-inch medium gun - Wikipedia

    en.wikipedia.org/wiki/BL_5.5-inch_medium_gun

    In January 1939 a specification was issued for a gun no heavier than 5.5 tons to replace the 6 inch 26 cwt howitzers in use with most medium batteries. For the desired range of 16,000 yards (15 km) ballistic studies recommended making a new calibre of 5.5 inches.

  8. 5-inch/54-caliber Mark 45 gun - Wikipedia

    en.wikipedia.org/wiki/5-inch/54-caliber_Mark_45_gun

    Since before World War II, 5 inches (127 mm) has been the standard gun caliber for U.S. Naval ships. Its rate of fire is lower than the British 4.5 in (114 mm) gun, but it fires a heavier 5-inch (127 mm) shell which carries a larger burst charge that increases its effectiveness against aircraft.

  9. ISSF 10 meter air rifle - Wikipedia

    en.wikipedia.org/wiki/ISSF_10_meter_air_rifle

    10 meter air rifle is an International Shooting Sports Federation (ISSF) shooting event, shot at a bullseye target over a distance of 10 meters (10.94 yards) using a 4.5 mm (0.177 in) calibre air rifle with a maximum weight of 5.5 kg (12.13 lb).