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  2. Human penis size - Wikipedia

    en.wikipedia.org/wiki/Human_penis_size

    As of 2015, a systematic review of 20 studies, of up to 15,521 men, who were measured by health professionals rather than themselves, concluded that the average length of an erect human penis is 13.12 cm (5.17 in), while the average circumference of an erect human penis is 11.66 cm (4.59 in). [2] A 1996 study of flaccid length found a mean of 8 ...

  3. Average human height by country - Wikipedia

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

    175.6 cm (5 ft 9 in) 161.8 cm (5 ft 3 + 1 ⁄ 2 in) 1.09: 18+ 100.0%: Measured: 2011–2012 [18] Austria: 179 cm (5 ft 10 + 1 ⁄ 2 in) 166 cm (5 ft 5 + 1 ⁄ 2 in) 1.08: 20–49: 54.3%: Measured: 2006 [19] Azerbaijan: 171.8 cm (5 ft 7 + 1 ⁄ 2 in) 165.4 cm (5 ft 5 in) 1.04: 16+ 100.0%: Measured: 2005 [20] Bahrain: 171 cm (5 ft 7 + 1 ⁄ 2 in ...

  4. Human vaginal size - Wikipedia

    en.wikipedia.org/wiki/Human_vaginal_size

    Mean width: at the proximal vagina: 3.3 cm (1.3 in); at the pelvic diaphragm: 2.7 cm (1.1 in); at the introitus: 2.6 cm (1.0 in) A 2006 U.S. study of vagina sizes using Magnetic Resonance Imaging (MRI) on 28 volunteers between 18 and 39 years old, with heights ranging from 1.5 to 1.7 metres (4 ft 11 in to 5 ft 7 in), and weights between 49.9 ...

  5. Metabolic equivalent of task - Wikipedia

    en.wikipedia.org/wiki/Metabolic_equivalent_of_task

    The metabolic equivalent of task (MET) is the objective measure of the ratio of the rate at which a person expends energy, relative to the mass of that person, while performing some specific physical activity compared to a reference, currently set by convention at an absolute 3.5 mL of oxygen per kg per minute, which is the energy expended when sitting quietly by a reference individual, chosen ...

  6. Little Boy - Wikipedia

    en.wikipedia.org/wiki/Little_Boy

    The Little Boy was 120 inches (300 cm) in length, 28 inches (71 cm) in diameter and weighed approximately 9,700 pounds (4,400 kg). [23] The design used the gun method to explosively force a hollow sub- critical mass of enriched uranium and a solid target cylinder together into a super-critical mass, initiating a nuclear chain reaction . [ 24 ]

  7. Density of air - Wikipedia

    en.wikipedia.org/wiki/Density_of_air

    Air density, like air pressure, decreases with increasing altitude. It also changes with variations in atmospheric pressure, temperature and humidity. At 101.325 kPa (abs) and 20 °C (68 °F), air has a density of approximately 1.204 kg/m 3 (0.0752 lb/cu ft), according to the International Standard Atmosphere (ISA).

  8. 6.3 - Wikipedia

    en.wikipedia.org/wiki/6.3

    6.3. 6.3 may refer to: 6.3 (song), a 2020 song by French rapper Naps, featuring Ninho. 6.3 filename, a naming convention for filenames in 8-bit FAT under Standalone Disk BASIC. Mercedes-Benz 300SEL 6.3, a car. Category: Lists of ambiguous numbers.

  9. International System of Units - Wikipedia

    en.wikipedia.org/wiki/International_System_of_Units

    [1]: 143 For example, g/cm 3 is an SI unit of density, where cm 3 is to be interpreted as (cm) 3. Prefixes are added to unit names to produce multiples and submultiples of the original unit. All of these are integer powers of ten, and above a hundred or below a hundredth all are integer powers of a thousand.