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" The pressure of wind on a plane surface varies jointly as the area of the surface, and the square of the wind's velocity. The pressure on a square foot is 1... "
Elementary Algebra - Page 280
by Henry Sinclair Hall, Samuel Ratcliffe Knight - 1895 - 478 pages
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Companion to algebra

Leonard Marshall - 1883 - 212 pages
...15a2 + Зla6 + 1462 : 25a2 - 4962. 7. The pressure of the wind on a plane surface varies jointly as the area of the surface and the square of the wind's...a square foot is 1 Ib. when the wind is moving at a rate of 15 miles per hour. Find the velocity of the wind when the pressure on a square yard is16lbs....
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Companion to Algebra: With Numerous Examples

Leonard Marshall - Algebra - 1883 - 198 pages
...square of the wind's velocity. The pressure on a square foot is 1 Ib. when the wind is moving at a rate of 15 miles per hour. Find the velocity of the wind when the pressure on a square is 161bs. 8. Prove that a3 + 6s : a + 6 = a6 - a46 + a?V - a?b3 + ab4 - 66 : a3 - 6s. 9. 1f^-y = f--az=g-±1{,...
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Companion to algebra

Leonard Marshall - 1883 - 164 pages
...the wind on a plane surface varies jointly as the area of the surface and the square of the wind,s velocity. The pressure on a square foot is 1 Ib. when the wind is moving at a rate of 15 miles per hoar. Find the velocity of the wind when the pressure on a square yard is 161bs....
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A College Algebra

James Morford Taylor - Algebra - 1889 - 400 pages
...inversely as и ; show that я varies as z. 12. The pressure of wind on a plane surface varies jointly as the area of the surface, and the square of the wind's velocity. The pressure on a square foot is i Ib. when the wind is moving at the rate of 15 miles per hour. Find the velocity of the wind when...
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Report of the Secretary for Public Instruction ...

Queensland. Department of Public Instruction - Education - 1892 - 508 pages
...+ en) - abc = (a + b)(b + c) (c + a). 8. The pressure of wind on a plane surface varies jointly as the area of the surface and the square of the wind's velocity. The pressure on a square foot is l Ib. when the wind is moving at the rate of 15 miles per hour ; find the velocity of the wind when...
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An Academic Algebra

James Morford Taylor - Algebra - 1893 - 362 pages
...Find how far it will fall in 2 seconds. 17. The pressure of wind on a plane surface varies jointly as the area of the surface, and the square of the wind's velocity. The pressure on a square foot is 1 pound when the wind is moving at the rate of 15 miles per hour. Find the velocity of the wind when...
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Algebra for Colleges and Schools

Henry Sinclair Hall, Samuel Ratcliffe Knight - Algebra - 1897 - 554 pages
...diameters are 1J and 2 inches respectively. 22. The pressure of wind on a plane surface varies jointly as the area of the surface, and the square of the wind's velocity. The pressure on a square foot is 1 pound when the wind is moving at the rate of 15 miles per hour : find the velocity of the wind when...
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Elements of Algebra

James Morford Taylor - Algebra - 1900 - 504 pages
...Find how far it will fall in 2 seconds. 17. The pressure of wind on a plane surface varies jointly as the area of the surface and the square of the wind's velocity. The pressure on a square foot is 1 pound when the wind is moving at the rate of 15 miles per hour. Find the velocity of the wind when...
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Exercises in Algebra

Edward Rutledge Robbins, Frederick Howland Somerville - Algebra - 1904 - 194 pages
...radii are 5 aud 12 respectively. 18. The pressure of the wind upon a plane surface varies jointly as the area of the surface and the square of the wind's velocity. The pressure on a square foot is 1 pound when the wind is blowing at the rate of 15 miles per hour. Find the velocity of the wind when...
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Elementary Algebra

Frederick Howland Somerville - Algebra - 1908 - 428 pages
...6 men working 9 days earn $ 135 ? 20. The pressure of the wind on a plane surface varies jointly as the area of the surface and the square of the wind's velocity. The pressure on a square foot is one pound when the wind is blowing at a rate of 15 miles an hour. What will be the velocity of a wind...
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