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The weight of a body above the earth's surface varies inversely as the square of its distance from the earth's center. If an object weighs 2000 pounds at the earth's surface, what would be its weight if it were 12,000 miles above the center of the earth,...
High School Algebra: Advanced Course - Page 141
by Herbert Ellsworth Slaught, Nels Johann Lennes - 1908 - 194 pages

## McEvoy Magazine, Volume 7

Education - 1914 - 656 pages
...distance from the center of the earth. 10 : x : : 4000 : 3000 4000x = 30000 x = iy 2 Ibs. Ans. 79. The weight of a body above the earth's surface varies inversely as the square of the distance from the center of the earth. 100 :x : : (5000) 2 : (4000)* 25x = 1600 ; x = 64 Ibs. Ans....

## Intermediate Algebra

Herbert Ellsworth Slaught, Nels Johann Lennes - Algebra - 1916 - 280 pages
...that two boys weighing 110 and 80 pounds, respectively, may balance on the ends of a 16-foot plank. 6. The weight of a body above the earth's surface varies...the radius of the earth being 4000 miles ? CHAPTER XI POWERS AND ROOTS 150. Each of the operations thus far studied leads to a single result. See § 31....

## Complete Algebra

Herbert Ellsworth Slaught, Nels Johann Lennes - Algebra - 1917 - 674 pages
...that two boys weighing 110 and 80 pounds, respectively, may balance on the ends of a 16-foot plank. 6. The weight of a body above the earth's surface varies...the earth, the radius of the earth being 4000 miles 'Í CHAPTER XI POWERS AND ROOTS 160. Each of the operations thus far studied leads to a single result....

## Introductory Mathematical Analysis

Winfield Paul Webber, Louis Clark Plant - Calculus - 1919 - 330 pages
...a load of 700 Ibs. What load will a beam of the same material 3" x 9" x 18', on edge, sustain ? 10. The weight of a body above the earth's surface varies inversely as the square of its distance from the center of the earth. If a body weighs 150 Ibs. just outside the surface, how high must it be raised...