The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 19
... gravity , of the Earth is mani- fested as the force acting on a free , unsupported body , causing it to move in the general direction of the Earth's centre . The speed of the body is not uniform ; it increases with time and distance ...
... gravity , of the Earth is mani- fested as the force acting on a free , unsupported body , causing it to move in the general direction of the Earth's centre . The speed of the body is not uniform ; it increases with time and distance ...
Page 20
... gravity value ( go ) and the standard gravity value ( y ) cited above , or Ag goy , and is known as the gravity anomaly . It is measured in units of the gal , a con- ventional term for the acceleration unit of one centimetre per second ...
... gravity value ( go ) and the standard gravity value ( y ) cited above , or Ag goy , and is known as the gravity anomaly . It is measured in units of the gal , a con- ventional term for the acceleration unit of one centimetre per second ...
Page 23
... gravity anomaly water 1.03 San Francisco Sacramento shelf p = 2.27 Coast Great Valley | Ranges ( Sacramento Valley ) p = 2.17 p = 2.67 200 300 400 total - gravity anomaly Sierra Nevada = 2.67 2.9 2.92-3.05 2.67 10 2.8 20 20 30 P 3.35 40 ...
... gravity anomaly water 1.03 San Francisco Sacramento shelf p = 2.27 Coast Great Valley | Ranges ( Sacramento Valley ) p = 2.17 p = 2.67 200 300 400 total - gravity anomaly Sierra Nevada = 2.67 2.9 2.92-3.05 2.67 10 2.8 20 20 30 P 3.35 40 ...
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activity Africa agriculture America became become body called capital caused central centre century changes Christian Church continued core countries cultural demand direction early Earth East Eastern eclipse economic effect established Europe example feet field Figure flow force groups growth important income increase industry internal investment Italy kilometres known labour Lake land later less living magnetic major mantle material means measurements ment metres miles mountains move movement nature North observed occur ocean organization origin Orthodox patriarch percent period planning Pleistocene political population position possible present problems production region relatively remained result rise River rocks social society South species structure surface theory tion trade traditional United West Western