30 kilometers an hour

См. также в других словарях:

• kilometers per hour — unit of measurement of velocity which indicates the number of kilometers traveled in one hour …   English contemporary dictionary

• kilometers per hour — noun the ratio of the distance traveled (in kilometers) to the time spent traveling (in hours) • Syn: ↑kilometres per hour, ↑kph, ↑km/h • Hypernyms: ↑rate …   Useful english dictionary

• Hour record — The hour record for bicycles is the record for the longest distance cycled in one hour on a bicycle. There are several classes of records. The most famous is for upright bicycles meeting the technical requirements of the Union Cycliste… …   Wikipedia

• Miles per hour — MPH redirects here. For other uses, see MPH (disambiguation). Automobile speedometer, measuring speed in miles per hour on the outer track, and kilometres per hour on the inner track. Miles per hour is an imperial unit of speed expressing the… …   Wikipedia

• Kilowatt hour — KWH redirects here. For other uses, see KWH (disambiguation). Residential electricity meter located in Canada The kilowatt hour, or kilowatt hour, (symbol kW·h, kW h or kWh) is a unit of energy equal to 1000 watt hours or 3.6 megajoules …   Wikipedia

• kilometres per hour — noun the ratio of the distance traveled (in kilometers) to the time spent traveling (in hours) • Syn: ↑kilometers per hour, ↑kph, ↑km/h • Hypernyms: ↑rate …   Useful english dictionary

• mile per hour — (mi/h or mph)    a traditional unit of velocity. One mile per hour equals exactly 22/15 feet per second, approximately 1.609 kilometers per hour (km/h), or exactly 0.447 04 meter per second (m/s) …   Dictionary of units of measurement

• One hour run — For hour record for bicycles, see Hour record. The one hour run is an athletics event in which competitors try to cover as much distance as possible within one hour. While officially recognized by the International Association of Athletics… …   Wikipedia

• kilometer per hour — unit of measurement of velocity which indicates the number of kilometers traveled in one hour …   English contemporary dictionary

• light hour — noun the distance light travels in a vacuum in one hour; approximately one billion kilometers • Hypernyms: ↑astronomy unit • Part Holonyms: ↑light year, ↑light year …   Useful english dictionary

• light-hour — ˈ ̷ ̷ ¦ ̷ ̷ noun : a unit of length in astronomy equal to the distance that light travels in one hour in a vacuum or about 1.1 billion kilometers …   Useful english dictionary