Units of measurement
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Lichtgeschwindigkeit (c)
Meilen pro Stunde (mph)
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Information
Lichtgeschwindigkeit (c)
Speed of light (c) is a fundamental physical constant equal to 299,792,458 m/s. It is the maximum speed at which information or matter can travel.
Meilen pro Stunde (mph)
Mile per hour (mph) is a unit of speed equal to one mile traveled per hour. It is used in the United States and the United Kingdom to measure vehicle and aircraft speeds.