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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] Any other quantity of that kind can be expressed as a multiple of the unit of measurement. [2] For example, a length is a physical quantity.
In engineering and science, dimensional analysis is the analysis of the relationships between different physical quantities by identifying their base quantities (such as length, mass, time, and electric current) and units of measurement (such as metres and grams) and tracking these dimensions as calculations or comparisons are performed.
Green glazed faience weight discovered at Abydos, inscribed for the high steward Aabeni during the late Middle Kingdom Serpentine weight of 10 daric, inscribed for Taharqa during the 25th Dynasty. Weights were measured in terms of deben. This unit would have been equivalent to 13.6 grams in the Old Kingdom and Middle Kingdom.
It has a curb weight of 4,950 lb (2,250 kg) and a payload of 1,250 lb (570 kg); the estimated driving range is 50 mi (80 km) and the maximum speed is 60 mph (97 km/h). Testing at EVTC showed the ECRV met or exceeded its performance requirements, including an accelerated 20,000 mi (32,000 km) reliability test. [ 29 ]
Curb weight 3,800 lb (1,724 kg) The Ford Windstar was released in March 1994 as a 1995 model, preceding the launch of the third-generation Chrysler minivans by over a year, enabling Ford to cut into Chrysler minivan sales significantly.
In 1987, the M20B20 was again revised with the addition of Bosch Motronic engine management, a catalytic converter and a compression ratio of 8.8:1. [24] [23] The M20B20 was not sold in the United States, but was available in the E30 (320i) in Canada. Applications: 1977–1981 E12 5 Series 520/6 (carburettor) 1977–1982 E21 3 Series 320/6 ...
For the 2010 model, payload was increased by 50 lb (23 kg) to 1,900 lb (862 kg) for the regular cab 2WD model with the 3.7-liter V6 engine. [ 52 ] Towing capacity for the regular cab Ram 1500 with 3.21 differential is rated at 6,100 lb (2,767 kg) with 17-inch wheels and 5,900 lb (2,676 kg) with 19-inch wheels.
The 1977 Delta 88s and other GM B-body cars were considerably downsized from their predecessors in length and wheelbase (116 in (2,900 mm) – the same as the four-door 1973–77 A-body Cutlass Sedan) and nearly 900 lb (410 kg) lighter in weight, with curb weights dropping to between 3,500 and 3,600 lb (1,590 and 1,630 kg) depending on model. [20]