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Speed
Last update: Thursday 09th of February 2012
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Speed is the rate of motion, or equivalently the rate of change in position, many times expressed as distance d travelled per unit of time t.
Speed is a scalar quantity with dimensions distance/time; the equivalent vector quantity to speed is known as velocity. Speed is measured in the same physical units of measurement as velocity, but does not contain the element of direction that velocity has. Speed is thus the magnitude component of velocity.
In mathematical notation, it is simply:
Objects that move horizontally as well as vertically (such as aircraft) distinguish forward speed and climbing speed.
Virgin Media customers could be enjoying broadband speeds of up to 20Mbps as early as May, the company has announced.
TGV setting the new train speed record of 553 km/h
Intel and its partners will kick of CeBIT 2007 with the launch of Intel's Bearlake family of chipsets for desktop PCs. The new series introduces support for DDR3 memory, front side bus speeds up to 1333MHz and are designed to support Intel's upcoming 45nm-process CPUs, the Core 2 Duo (Wolfdale) and Core 2 Quad (Yorkfield).
"A forum post on German site Effizienzgurus, has revealed a variety of CPU code-names, and their related speed and thermal specifications, for the next generation of DAAMIT processors."
A satellite navigation supplier that guarantees the user against picking up a ticket from any speed camera is claiming a 100% success rate for motorists.