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  2. Douglas sea scale - Wikipedia

    en.wikipedia.org/wiki/Douglas_sea_scale

    The Degree (D) value has an almost linear dependence on the square root of the average wave Height (H) above, i.e., +. Using linear regression on the table above, the coefficients can be calculated for the low Height values ( λ L = 2.3236 , β L = 1.2551 {\textstyle \lambda _{L}=2.3236,\beta _{L}=1.2551} ) and for the high Height values ( λ H ...

  3. Leduc 0.10 - Wikipedia

    en.wikipedia.org/wiki/Leduc_0.10

    Data from General characteristics Crew: two Length: 10.25 m (33 ft 7 in) Wingspan: 10.52 m (34 ft 6 in) Wing area: 16.0 m 2 (172 sq ft) Empty weight: 1,700 kg (3,740 lb) Gross weight: 2,800 kg (6,173 lb) Powerplant: 1 × Leduc ramjet, 15.7 kN (3,520 lbf) thrust Performance Maximum speed: 800 km/h (500 mph, 430 kn) See also Related development Leduc 0.21 Leduc 0.22 Aircraft of comparable role ...

  4. 0,10 Exhibition - Wikipedia

    en.wikipedia.org/wiki/0,10_Exhibition

    0,10 Exhibition. The Last Futurist Exhibition of Paintings 0,10 (pronounced "zero-ten") [2] was an exhibition presented by the Dobychina Art Bureau at Marsovo Pole, Petrograd, from 19 December 1915 to 17 January 1916. [3][4] The exhibition was important in inaugurating a form of non-objective art called Suprematism, introducing a daring visual ...

  5. Scale height - Wikipedia

    en.wikipedia.org/wiki/Scale_height

    Scale height. The earth atmosphere's scale height is about 8.5 km, as can be confirmed from this diagram of air pressure p by altitude h: At an altitude of 0, 8.5, and 17 km, the pressure is about 1000, 370, and 140 hPa, respectively. In atmospheric, earth, and planetary sciences, a scale height, usually denoted by the capital letter H, is a ...

  6. Melingriffith Water Pump - Wikipedia

    en.wikipedia.org/wiki/Melingriffith_Water_Pump

    The wheel is 18 feet 6 inches (5.64 m) in diameter with a width of 12 feet 6 inches (3.81 m). The paddles are 22 inches (0.56 m) deep. [2] [3] The paddle wheel is connected to two rocking beams of oak which are 22 feet (6.7 m) long by 1 foot 2 inches (0.36 m) by 1 foot 4 inches (0.41 m).

  7. LogMAR chart - Wikipedia

    en.wikipedia.org/wiki/LogMAR_chart

    The chart was designed by Ian Bailey [5] and Jan E. Lovie-Kitchin at the National Vision Research Institute of Australia. [1] [3] They described their motivation for designing the LogMAR chart as follows: "We have designed a series of near vision charts in which the typeface, size progression, size range, number of words per row and spacings were chosen in an endeavour to achieve a ...

  8. American football field - Wikipedia

    en.wikipedia.org/wiki/American_football_field

    The total area of the field is 57,600 sq ft or 5,350 m 2. There is a goal centered on each end line, with a crossbar 10 feet (3.0 m) above the ground and goalposts 18 feet 6 inches (5.64 m) apart (in college and the NFL) extending at least 35 feet (11 m) above the crossbar. Between the goal lines, additional lines span the width of the field at ...

  9. Mariana Trench - Wikipedia

    en.wikipedia.org/wiki/Mariana_Trench

    The Mariana Trench is an oceanic trench located in the western Pacific Ocean, about 200 kilometres (124 mi) east of the Mariana Islands; it is the deepest oceanic trench on Earth. It is crescent-shaped and measures about 2,550 km (1,580 mi) in length and 69 km (43 mi) in width. The maximum known depth is 10,984 ± 25 metres (36,037 ± 82 ft ...