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The former Weights and Measures office in Seven Sisters, London Units of measurement, Palazzo della Ragione, Padua. A unit of measurement, or unit of measure, is a definite magnitude of a quantity, defined and adopted by convention or by law, that is used as a standard for measurement of the same kind of quantity. [1]
Egyptian units of length are attested from the Early Dynastic Period.Although it dates to the 5th dynasty, the Palermo stone recorded the level of the Nile River during the reign of the Early Dynastic pharaoh Djer, when the height of the Nile was recorded as 6 cubits and 1 palm [1] (about 3.217 m or 10 ft 6.7 in).
DIN 66036 defines one metric horsepower (Pferdestärke, or PS) as the power to raise a mass of 75 kilograms against the Earth's gravitational force over a distance of one metre in one second: [17] 75 kg × 9.80665 m/s 2 × 1 m / 1 s = 75 kgf⋅m/s = 1 PS. This is equivalent to 735.49875 W, or 98.6% of an imperial horsepower.
Avoirdupois pound per cubic inch (1 g/cm 3 ≈ 0.036127292 lb/cu in) pound per cubic foot (1 g/cm 3 ≈ 62.427961 lb/cu ft) pound per cubic yard (1 g/cm 3 ≈ 1685.5549 lb/cu yd) pound per US liquid gallon (1 g/cm 3 ≈ 8.34540445 lb/US gal) pound per US bushel (1 g/cm 3 ≈ 77.6888513 lb/bu) slug per cubic foot
In the Broncos game, Cutler led a 65-yard, potential game-tying drive, but Bears running back Jeremy Langford was stopped on the two point conversion attempt, and the Bears lost 17–15. [191] In Week 14, Cutler threw for 315 yards and two touchdowns against Washington, including a 50-yard completion with two minutes remaining, but Robbie Gould ...
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). At 101.325 kPa (abs) and 15 °C (59 °F), air has a density of approximately 1.225 kg/m 3 (0.0765 lb/cu ft ), which is about 1 ⁄ 800 that of water , according to the ...
The Standard Range version carries 2,976 cells arranged in 96 groups of 31. The Long Range version carries 4,416 cells arranged in 96 groups of 46, and weighs [178] 1,060 pounds (480 kg) in a 0.40 m³ volume; a density of 150 Wh/kg (540 kJ/kg). [179] [180] The car's onboard AC/DC converter is 11 kW. [181]
Structure and properties Index of refraction, n D: 1.4459 at 19 °C Abbe number? Dielectric constant, ε r: 4.8069 ε 0 at 20 °C : Bond strength? Bond length [1]: C-Cl 1.75 Å