| Royal Scottish Society of Arts - Industrial arts - 1891 - 632 pages
...is oblique to the direction of the wind, the normal pressure will vary from this value to zero, as the angle between the normal to the surface and the direction of V increases from 0° to 90°. Hence this normal pressure N will be equal to P multiplied by some function... | |
| William Pingry Boynton - Kinetic theory of gases - 1904 - 308 pages
...In the time dt it will generate a prism of slant height cdt, and cross-section ds cos 6 where d is the angle between the normal to the surface and the direction of motion. This makes the volume of the cylinder ds cos 6 cdt. As we have no reason for assigning any... | |
| Alfred Hay - Electric engineering - 1907 - 358 pages
...a surface whose inclination to the direction of the flux is varied is proportional to the cosine of the angle between the normal to the surface and the direction of the flux. The brightness (intrinsic brilliancy) or luminous intensity per unit of area of a surface which... | |
| William Francis Magie - Physics - 1911 - 588 pages
...s, at each point of which the electric force has the same value R, as equal to Rs cos a, where a is the angle between the normal to the surface and the direction of the force. The conventions used in the demonstration are the same as those made in the analogous case of... | |
| William Francis Magie - Physics - 1911 - 592 pages
...s, at each point of which the electric force has the same value R, as equal to Rs cos a, where a is the angle between the normal to the surface and the direction of the force. The conventions used in the demonstration are the same as those made in the analogous case of... | |
| Earth sciences - 1917 - 526 pages
...velocities uniformly distributed over every azimuth. More precisely dn = ir~'« cox^tfta, where x denotes the angle between the normal to the surface and the direction of the axis of do>. This is equivalent to putting a certain fraction f, which occurs in Maxwell's original... | |
| Joseph Edwards - Calculus, Integral - 1922 - 1050 pages
...surface. But 2(l£-\-mti-{-n£) is the component of the vector R along the normal =.Rco8e, say, where e is the angle between the normal to the surface and the direction of £; and if e be the angle between the vector U and the tangent to the contour Hence 1 1 R cos e dS... | |
| Richard Glazebrook - Physics - 1923 - 932 pages
...per unit aren, on a very small surface at a given distance from the source, varies as the cosine of the angle between the normal to the surface and the direction of the light. Thus, if the distance between a surface and a luminous source so greatly exceeds the dimensions... | |
| John William Tudor Walsh - Photometry - 1926 - 562 pages
...is, the surface density of the energy received by any such area is proportional to cos 0 where 6 is the angle between the normal to the surface and the direction of propagation of the incident wave. Reflection and Refraction on the Wave Theory. — The wellknown laws... | |
| United States. National Bureau of Standards - Chemistry - 1938 - 860 pages
...instrument, the detaching force is about 75 percent of the attractive force. When making measurements, the angle between the normal to the surface and the direction of the detaching force should always be the same. This condition is met by having the plated surface normal... | |
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