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Speed Orbital
Technology meets speed on internet through satellite
The working of a modern computer depends primarily on the properties of a single element-silicon. It is a semiconductor, and it is this property that makes it important for computers. More importantly, the quantity of electricity transmitted by a piece of silicon can be radically altered by adding small amounts of other elements. Silicon chips are cut out from a large silicon wafer on which the integrated circuits are all made together. All computers contain a number of microchips devoted entirely to memory. The rows and rows of circuits contained on memory chips all do much the same job. The <a href="http://www.hnssales.com/">High speed satellite internet</a> with this basic structure is now a reality.
The circuits store information and release it as required. In contrast the circuits making up a computer's central processing unit or CPU must be more than one type to fulfil the processor's different functions. Computers operate at high speeds, the program must be held in electronic form in the computer memory. Thus an electronic computer takes in data, processes and stores them and produces the results when required to do so. The computer contains large numbers of switching mechanisms, which allow messages to be delivered through a variety of pathways. <a href="http://www.hnssales.com/packages.html">Satellite broadband internet</a> is compatible to the pathways.
Computers are not normally constrained by where their input comes from, or where the output goes to. The source of information may be sitting beside the computer, or it may be on the other side of the world. The connections that allow computers to operate on information at a distance are the telecommunication links, of which the ordinary telephone cable is the commonest. Information technology or IT is the interaction of computers and telecommunication.
More communications satellites are put into geostationary orbit meaning that their orbit is synchronized with the Earth's so that they remain perched over the same spot on the Earth's surface, and are always visible to the same transmitters. To achieve this, the orbiting satellite is positioned at nearly 36,00km directly above the Earth's equator. At this height, transmission of signals beyond the horizon becomes easy. A transmitter sends its message up to the satellite, which beams it back to ground stations invisible to the original transmitter. Signals from satellite are quite weak, but receivers are becoming more sensitive. <a href="http://www.hnssales.com/">High speed internet satellite</a> is thus now a reality.
The credit of pioneering work in space telecommunication goes to the Russians who in 1957 launched the Sputnik with this purpose and caught the competitors' off-guard. The USA worked on the same issue and sent a satellite in space in 1958. The result was the discovery of magnetic radiation envelop all round the Earth. The technology has come a long way ever since. As of now satellite broadband technology servers the rural, remote areas, business houses and the nation internationally in the advanced countries which have stationed their satellite in space. Avail the facility of superfast speed on internet through this method. Visit the sites through keyword entry and locate the best internet provider through satellite for your benefit.
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Find the orbital speed of the satellite. Physics homework?
A satellite is placed in orbit 2.20 105 m above the surface of Jupiter. Jupiter has a mass of 1.90 1027 kg and a radius of 7.14 107 m. Find the orbital speed of the satellite.
Jupiter's grav force will cause a centrip force on the satellite, so we equate:
GMm/r^2 = mv^2/r
where G is newtonain grav cst, M is mass of Jupiter, m is mass of satellite, r is distance between center of Jup and sat and v=orbital speed
we have
v^2 = GM/r
values: G=6.67x10^(-11)
M=1.9x10^(27) kg
r = 7.14x10^7 + 0.02x10^7 m = 7.16x10^7 m
substitute these values and find v
Physics example escape speed orbit conservation of energy gravitational.mp4