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- Speed abstract "In everyday use and in kinematics, the speed of an object is the magnitude of its velocity (the rate of change of its position); it is thus a scalar quantity. The average speed of an object in an interval of time is the distance travelled by the object divided by the duration of the interval; the instantaneous speed is the limit of the average speed as the duration of the time interval approaches zero.Like velocity, speed has the dimensions of a length divided by a time; the SI unit of speed is the metre per second, but the most usual unit of speed in everyday usage is the kilometre per hour or, in the US and the UK, miles per hour. For air and marine travel the knot is commonly used.The fastest possible speed at which energy or information can travel, according to special relativity, is the speed of light in a vacuum c = 299792458 metres per second (approximately 1079000000 km/h or 671000000 mph). Matter cannot quite reach the speed of light, as this would require an infinite amount of energy. In relativity physics, the concept of rapidity replaces the classical idea of speed.".
- Speed thumbnail Mersan.JPG?width=300.
- Speed wikiPageID "28748".
- Speed wikiPageRevisionID "606517327".
- Speed caption "Speed can be thought of as the rate at which an object covers distance. A fast-moving object has a high speed and covers a relatively large distance in a given amount of time, while a slow-moving object covers a relatively small amount of distance in the same amount of time.".
- Speed hasPhotoCollection Speed.
- Speed name "Speed".
- Speed symbols "v".
- Speed unit "m/s, m s−1".
- Speed subject Category:Physical_quantities.
- Speed subject Category:Velocity.
- Speed comment "In everyday use and in kinematics, the speed of an object is the magnitude of its velocity (the rate of change of its position); it is thus a scalar quantity.".
- Speed label "Rapidez".
- Speed label "Rapidez".
- Speed label "Speed".
- Speed label "Szybkość".
- Speed label "Vitesse".
- Speed label "Средняя скорость".
- Speed label "سرعة".
- Speed label "速さ".
- Speed label "速率".
- Speed sameAs Rapidez.
- Speed sameAs Vitesse.
- Speed sameAs Kelajuan.
- Speed sameAs 速さ.
- Speed sameAs 속력.
- Speed sameAs Szybkość.
- Speed sameAs Rapidez.
- Speed sameAs m.073s_.
- Speed sameAs Q3711325.
- Speed sameAs Q3711325.
- Speed wasDerivedFrom Speed?oldid=606517327.
- Speed depiction Mersan.JPG.
- Speed isPrimaryTopicOf Speed.