Search results
1 dzień temu · Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia.It is the largest country in the world by area, extending across eleven time zones and sharing land borders with fourteen countries. It is the world's ninth-most populous country and Europe's most populous country.Russia is a highly urbanized country including 16 population centres with over a million ...
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 ...
6 godz. temu · The Sun is the star at the center of the Solar System.It is a massive, nearly perfect sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core, radiating the energy from its surface mainly as visible light and infrared radiation with 10% at ultraviolet energies. It is by far the most important source of energy for life on Earth. ...
6 godz. temu · The Moon is Earth's only natural satellite.It orbits at an average distance of 384,400 km (238,900 mi), about 30 times the diameter of Earth. Tidal forces between Earth and the Moon have over time synchronized the Moon's orbital period (lunar month) with its rotation period at 29.5 Earth days, causing the same side of the Moon to always face Earth. . The Moon's gravitational pull – and to a ...
1 dzień temu · 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-speed railway after High Speed 1, which connects London to the Channel Tunnel.The majority of the project is planned to be completed between 2029 and 2033.
6 godz. temu · The Pac-12 Conference is a collegiate athletic conference that operated in the Western United States. Its twelve members are located in the states of Arizona, California, Colorado, Oregon, Utah, and Washington. They include each state's flagship public university, four additional public universities, and two private research universities.
1 dzień temu · Wichita (/ ˈ w ɪ tʃ ɪ t ɔː / WITCH-ih-taw) is the most populous city in the U.S. state of Kansas and the county seat of Sedgwick County. As of the 2020 census, the population of the city was 397,532. The Wichita metro area had a population of 647,610 in 2020. It is located in south-central Kansas on the Arkansas River.. Wichita began as a trading post on the Chisholm Trail in the 1860s ...
