The New Encyclopædia Britannica: L-ZEncyclopædia Britannica, 1992 - 32 pages |
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Page 31
... forces . Regular army officers are trained in a military school in Kabul . There is a small air force , equipped with modern Soviet aircraft and with bases at Bagrām and Shindand . A secret police force was organized in the late 1970s ...
... forces . Regular army officers are trained in a military school in Kabul . There is a small air force , equipped with modern Soviet aircraft and with bases at Bagrām and Shindand . A secret police force was organized in the late 1970s ...
Page 451
... force and the distance : W = Fx . If the force is not constant , the formula for the work done is represented by an integral . The element of work AW is given by F ( x ) Ax , in which F ( x ) is the value of the force at x , and △ x is ...
... force and the distance : W = Fx . If the force is not constant , the formula for the work done is represented by an integral . The element of work AW is given by F ( x ) Ax , in which F ( x ) is the value of the force at x , and △ x is ...
Page 490
... force field . Consider the example of a particle in three - dimensional Euclidean space . It is sup- posed now that there is a certain vector field , a force field defined on E3 , say x → F ( x ) , E3 → E3 . Thus , if the particle is ...
... force field . Consider the example of a particle in three - dimensional Euclidean space . It is sup- posed now that there is a certain vector field , a force field defined on E3 , say x → F ( x ) , E3 → E3 . Thus , if the particle is ...
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20th century Abelian group addition aesthetic Afghanistan agriculture Albania alcohol algae algebra animals basin called central centre ceremonial climate coast common complex numbers Congo contains Côte d'Ivoire countries crops cultivation culture dance defined desert developed drinking drug East eastern economic Egypt elements equations European example farm feet field Figure finite fish forest functor Igbo important Indians integers irrigation isomorphism Kabul Kenya Lake Lake Chad Lake Victoria land language lattice Lie algebra linear major mapping miles modern mountains Niger Nigeria Nile northern operations patterns percent period Plains plants Plateau polynomial population rainfall real numbers region ring ritual River Sahara savanna social soil South Africa southern Africa species subgroup Sudan Tanzania theory tion traditional tribes tropical United valley vector space vegetation village West Africa western x₁ Yoruba Zaire Zambia Zimbabwe