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3 godz. temu · One astronomical unit (about 150 million kilometres; 93 million miles) is defined as the mean distance between the centres of the Sun and the Earth. The instantaneous distance varies by about ± 2.5 million km or 1.55 million miles as Earth moves from perihelion on ~ January 3rd to aphelion on ~ July 4th.
1 dzień temu · From Downtown Houston one can travel to George Bush Intercontinental by taking Interstate 69/U.S. Route 59 (Eastex Freeway) to Beltway 8 or to Will Clayton Parkway, and access the airport from either road. From Downtown one could also take Interstate 45 (North Freeway), connect to Beltway 8, and enter the airport from the Beltway.
1 dzień temu · The exponential function is defined on the entire domain of the complex numbers.The definition of sine and cosine can be extended to all complex numbers via = = + These can be reversed to give Euler's formula = + = When plotted on the complex plane, the function for real values of traces out the unit circle in the complex plane.. When is a real number, sine and cosine ...
1 dzień temu · The Quad Cities is a region of cities (originally four, see History) in the U.S. states of Iowa and Illinois: Davenport and Bettendorf in southeastern Iowa, and Rock Island, Moline and East Moline in northwestern Illinois. These cities are the center of the Quad Cities metropolitan area, a region within the Mississippi River Valley, which as of 2023 had a population estimate of 467,817 and a ...
3 godz. temu · Delaware (/ ˈ d ɛ l ə w ɛər / ⓘ DEL-ə-wair) is a state in the Mid-Atlantic region of the United States. It borders Maryland to its south and west, Pennsylvania to its north, New Jersey to its northeast, and the Atlantic Ocean to its east. The state's name derives from the adjacent Delaware Bay, which in turn was named after Thomas West, 3rd Baron De La Warr, an English nobleman and the ...
1 dzień temu · 25 kV 50 Hz AC overhead line. Operating speed. 360 km/h (225 mph) maximum, 330 km/h (205 mph) routinely [1] High Speed 2 ( HS2) is a high-speed railway which is under construction in England. The route will be between Handsacre, in southern Staffordshire, and London, with a spur to Birmingham. HS2 is to be Britain's second purpose-built high ...
