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This article lists mathematical properties and laws of sets, involving the set-theoretic operations of union, intersection, and complementation and the relations of set equality and set inclusion.
The Second Law of Motion, the law of acceleration, states that F = ma, meaning that a force F acting on a body is equal to the mass m of the body times its acceleration a. The Third Law of Motion, the law of reciprocal actions, states that all forces occur in pairs, and these two forces are equal in magnitude and opposite in direction. Newton's ...
The base 3 appears 5 times in the multiplication, because the exponent is 5. Here, 243 is the 5th power of 3, or 3 raised to the 5th power. The word "raised" is usually omitted, and sometimes "power" as well, so 3 5 can be simply read "3 to the 5th", or "3 to the 5".
Newton's laws are often stated in terms of point or particle masses, that is, bodies whose volume is negligible. This is a reasonable approximation for real bodies when the motion of internal parts can be neglected, and when the separation between bodies is much larger than the size of each.
What sets the Danish C79 LMG Optic designated as M/98 apart from the standard C79 optical sight is its unique reticle of a chevron with a height of 12,5 TS and two TS line left and right with a length of 7,5 TS beginning 2,5 TS away from the tip of the chevron. The sight designated as M/99 is also available in a night vision configuration.
It is denoted by a single prime ( ′ ). For example, 3° 30′ is equal to 3 × 60 + 30 = 210 minutes or 3 + 30 / 60 = 3.5 degrees. A mixed format with decimal fractions is sometimes used, e.g., 3° 5.72′ = 3 + 5.72 / 60 degrees. A nautical mile was historically defined as an arcminute along a great circle of the Earth.
The game of chess, at times, has been discouraged by various religious authorities in Middle Ages: Jewish, [144] Catholic and Orthodox. [145] Some Muslim authorities prohibited it even recently, for example Ruhollah Khomeini in 1979 and Abdul-Aziz ash-Sheikh even later. [146] During the Age of Enlightenment, chess was viewed as a means of self ...
These are lists of countries by foreign-born population and lists of countries by number native-born persons living in a foreign country (emigrants).. According to the United Nations, in 2019, the United States, Germany, Saudi Arabia, Russia, and France had the largest number of immigrants of any country, while Tuvalu, Saint Helena, Ascension and Tristan da Cunha, and Tokelau had the lowest.