 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...  An Academic Algebra - Page 295by James Morford Taylor - 1893 - 338 pagesFull view - About this book
 | Leonard Marshall - 1883 - 212 pages
...Prove that Qa- - 462 : 15a2 - 31a6 + 1462 : : 15a2 + Зla6 + 1462 : 25a2 - 4962. 7. The pressure of the wind on a plane surface varies jointly as the area...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... | |
 | 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{,... | |
 | Leonard Marshall - 1883 - 184 pages
...Prove that 9a2- 462 : 15a* - Зla6 + 146* : : l5a' + Зla6 + 146s : 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 velocity. The pressure on a square foot is 1 Ib. when the wind is moving at a rate of 15 miles... | |
 | Woolwich roy. military acad - 1884 - 148 pages
...being the number of the terms. 11. Explain what is meant by one quantity varying jointly as two others. 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 lb. when the wind is moving at the rate of 15 miles... | |
 | Henry Sinclair Hall, Samuel Ratcliffe Knight - Algebra - 1885 - 412 pages
...equal to the sum of the areas of two circles whose diameters are l£, and 2 inches respectively. 22. The pressure of wind on a plane surface varies jointly...wind's velocity. The pressure on a square foot is 1 Ib. when the wind is moving at the rate of 15 miles per hour; find the velocity of the wind when the... | |
 | E. J. Brooksmith - Mathematics - 1889 - 356 pages
...being the number of the terms. n. Explain what is meant by one quantity varying jointly as two others. The pressure of wind on a plane surface varies jointly...wind's velocity. The pressure on a square foot is 1 Ib. when the wind is moving at the rate of 15 miles per hour. Find the velocity of the wind when the... | |
 | James Morford Taylor - Algebra - 1889 - 340 pages
...and _y jointly, while x varies as г2, and у varies inversely as и ; show that и varies as z. 12. The pressure of wind on a plane surface varies jointly...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... | |
 | James Morford Taylor - Algebra - 1889 - 400 pages
...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...the wind when the pressure on a square yard is 16 Ibs. CHAPTER XI. THE PROGRESSIONS. 204. An Arithmetical Progression is a series of quantities in which... | |
 | Queensland. Department of Public Instruction - Education - 1892 - 508 pages
...which they started. 5. Prove that— C (a + b + e) (ab + be + en) - abc = (a + b)(b + c) (c + a). 8. The pressure of wind on a plane surface varies jointly...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... | |
 | Henry Sinclair Hall, Samuel Ratcliffe Knight - Algebra - 1895 - 508 pages
...are l£, and 2 inches respectively. 22. The pressure of wind on a plane surface varies jointly аз 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 the rate of 15 miles per hour; find the velocity of the wind when the... | |
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