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A light-year, alternatively spelled light year ( ly or lyr[ 3] ), is a unit of length used to express astronomical distances and is equal to exactly 9,460,730,472,580.8 km ( Scientific notation: 9.4607304725808 × 10 12 km), which is approximately 5.88 trillion mi.
This list of countries by traffic-related death rate shows the annual number of road fatalities per capita per year, per number of motor vehicles, and per vehicle-km in some countries in the year the data was collected. According to the World Health Organization (WHO), road traffic injuries caused an estimated 1.35 million deaths worldwide in ...
Fuel economy is the distance travelled per unit volume of fuel used; for example, kilometres per litre (km/L) or miles per gallon (MPG), where 1 MPG (imperial) ≈ 0.354006 km/L. The higher the value, the more economic a vehicle is (the more distance it can travel with a certain volume of fuel). This measure is popular in the US and the UK (mpg ...
The total area of Italy is 301,230 km2(116,310 sq mi), of which 294,020 km2(113,520 sq mi) is land and 7,210 km2(2,784 sq mi) is water. It lies between latitudes 35°and 47° N, and longitudes 6°and 19° E. Italy borders Switzerland(698 km or 434 mi), France(476 km or 296 mi), Austria(404 km or 251 mi) and Slovenia(218 km or 135 mi).
The speed of light in vacuum, commonly denoted c, is a universal physical constant that is exactly equal to 299,792,458 metres per second (approximately 300,000 kilometres per second; 186,000 miles per second; 671 million miles per hour). [Note 3] According to the special theory of relativity, c is the upper limit for the speed at which ...
A variety of units of measurement were used in the various independent Italian states and Italian dependencies of foreign empires up to the unification of Italy in the 19th century. The units to measure length, volume, mass, etc., could differ widely between countries or between towns in a country (e.g. Rome and Ancona), but usually not between ...
The table, shared in a post on the company's website, lists America's 50 most popular models, based on purchasing data from 2015. According to the chart, you could have anywhere between 25 and 114 ...
Highest-posted speed limits around the world. Kilometres per hour are on the left and miles per hour on the right.* A speed limit is the limit of speed allowed by law for road vehicles, usually the maximum speed allowed. Occasionally, there is a minimum speed limit. [1] Advisory speed limits also exist, which are recommended but not mandatory ...