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Miles per hour (mph, m.p.h., MPH, or mi/h) is a British imperial and United States customary unit of speed expressing the number of miles travelled in one hour. It is used in the United Kingdom , the United States , and a number of smaller countries, most of which are UK or US territories, or have close historical ties with the UK or US.
The UK national speed limit of 60 miles per hour (97 km/h) for ordinary vehicles applies beyond this sign. In some countries, derestriction signs are used to mark where a speed zone ends. The speed limit beyond the sign is the prevailing limit for the general area; for example, the sign might be used to show the end of an urban area.
Ohio has the second largest oil refining capacity in the Midwest. [15] Toledo is home to facilities operated by PBF Energy and BP , totaling over 300,000 BPD capacity. The BP facility is undergoing a $400 million renovation and is expected to receive nearly exclusive supplies from a $2.5 billion oilsands project in Alberta by 2011. [ 16 ]
In graph theory, the degree of a vertex is its number of connections. In a chemical graph, the maximum degree of an atom is its valence, and the maximum number of bonds a chemical element can make. For example, carbon's valence is 4. In a chemical graph, an atom is saturated if it reaches its valence.
A velocity of 210 kilometres per hour (130 miles per hour) is permitted on the 42 kilometres (26 miles) Gardermoen Line, which links the Gardermoen airport to Oslo and a part of the main line northwards to Trondheim. Some parts of the trunk railways around Oslo are renewed and built for 250 kilometres per hour (160 miles per hour):
The Scioto River flows beside downtown Columbus. According to the United States Census Bureau, the city has a land area of 220.04 square miles (569.9 km 2). [1] Unlike many other major US cities in the Midwest, Columbus continues to expand its reach by way of extensions and annexations, making it one of the fastest growing large cities in the nation, in terms of both geography and population ...
Near multiples of 180°, care is needed to avoid numerical problems: in extracting the angle, a two-argument arctangent with atan2(sin θ, cos θ) equal to θ avoids the insensitivity of arccos; and in computing the axis magnitude in order to force unit magnitude, a brute-force approach can lose accuracy through underflow (Moler & Morrison 1983).