http://disqus.com/people/3ccf8957724c198bce029b9a65dcea5f/enTue, 05 Sep 2006 13:13:25 -0000http://r-squared.disqus.com/deriving_equations_for_school_administration/#comment-2996225Nice equation(s) there. However, you have only shown the mathematical property when you assume that the sound intensity does not degrade over a distance as affected by environmental factors like humidity, the type of air in the area, and that you assumed that the sound travels in a radial (non-spherical) 2 dimensions and that the source is not near a wall/floor. The effect of how far a sound is from the sounding board or the nearest thing that allows the vibration to actually amplify (like the floor, or a wall, etc.) will affect the intensity and _quality_ of the "noise" or sound as the environmental factors (as you have not considered) will affect the sound gathered from the other end.<br><br>The frequency of the sound also affects the dampening effect that the air around the source plays. You'll need at least a few more factors to accurately find out how much "noise" actually reaches a certain point in space given reallistic environmental factors.<br><br>However, the equations seem enough to convince someone that the sound that reaches the other end of the hall is not noisy enough. :)Dean Michael BerrisTue, 05 Sep 2006 13:13:25 -0000