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# Topic: Slope

###### In the News (Mon 20 May 13)

 Slope Stabity Thus, down-slope movement is favored by steeper slope angles which increase the shear stress, and anything that reduces the shear strength, such as lowering the cohesion among the particles or lowering the frictional resistance. The area beneath the slopes of Nevados de Huascarán was littered with debris from prior landslide events, and even thought the first event in 1962 was not caused by an earthquake, it should have been known that the area was susceptible to such a hazard. Slope destabilization and undercutting triggered events require the constant attention of those undertaking or observing the slopes, many of whom are not educated in the problems inherent in such processes. www.tulane.edu /~sanelson/geol204/slopestability.htm   (3326 words)

 Slope - Wikipedia, the free encyclopedia The slope or the gradient is commonly used to describe the measurement of the steepness, incline, or grade of a straight line. The slope of a line in the plane containing the x and y axes is generally represented by the letter m, and is defined as the change in the y coordinate divided by the corresponding change in the x coordinate, between two distinct points on the line. The derivative of the function at a point is the slope of the line tangent to the curve at the point, and is thus equal to the rate of change of the function at that point. en.wikipedia.org /wiki/Slope   (973 words)

 Ski Cut, Slope Cut Slope cuts can be dangerous and should only be performed by experienced people on small avalanche paths or test slopes. Beginning at the top of a slope, cross the slope rapidly at about a 45 degree angle, aiming at an island of safety such as trees, rocks, high ground at the edge of the avalanche path or a gentler part of the slope. If you fracture the slope on the way down and can't get off to the side, your only choice is to try and outrun the avalanche, which might work for small avalanches but probably not for the big, ones. www.avalanche.org /~uac/encyclopedia/ski_cut.htm   (788 words)

 PlanetMath: slope The slope is equal to the tangent of the direction angle of the line. Also notice that positive slopes represent ascending graphs and negative slopes represent descending graphs. This is version 5 of slope, born on 2004-11-08, modified 2005-02-19. planetmath.org /encyclopedia/Slope.html   (156 words)

 Session 5, Part B: Slope Slope is an important concept in mathematics, and in Part B we'll explore how it is used to solve problems. The slope of a line is often described as a ratio of rise/run. Another way to think of slope is as the amount that the dependent variable changes for each increase by 1 in the independent variable. www.learner.org /channel/courses/learningmath/algebra/session5/part_b   (265 words)

 The Truth About Slope | United States Golf Association Slope is based on the difficulty of golf courses. A Slope of 113 signifies a course of average difficulty; 155 is the highest possible Slope, while 55 is the lowest. The truth about Slope is that it allows players to move from one course to another and still enjoy a fair match, regardless of which course a player's Handicap Index was originally developed on. www.usga.org /playing/handicaps/survival_kit/truth_about_slope.html   (736 words)

 Calculating Slope from Topography Determining the average slope of a hill using a topographic map is fairly simple. Slope can be given in two different ways, a percent gradient and an angle of the slope. a hill with a 20% slope is equivalent to an 11° slope. geology.isu.edu /geostac/Field_Exercise/topomaps/slope_calc.htm   (380 words)

 Evaluating Slope Drainage In landslide prone areas, the presence of groundwater in your slope or surface water on your slope is usually the primary factor leading to landsliding and erosion. Because of the impact to coastal slopes, it is important that you understand your specific slope drainage conditions and identify the sources contributing water into and onto your slope. The best time to observe your slope for groundwater is late in the wet season (mid to late winter into spring) and during a dry period between storms. www.ecy.wa.gov /programs/sea/pubs/95-107/sldrain01.html   (1068 words)

 Slope of a straight line - Topics in precalculus That is, whether we measure the slope by moving from point A to point B, or by moving from point C to point D, the number we obtain will be the same. Let the straight line L have slope m, and let it pass through the point P. Then L is the only straight line through P with slope m. This means that a straight line may be specified by giving its slope and the coördinates of one point on it. www.themathpage.com /aPreCalc/slope-of-a-line.htm   (1565 words)

 R/C Sailplanes: Slope Sailplanes Slope sailplanes typically are medium to large sized planes that usually range in weight between 16 ounces up to several pounds. Slope sailplanes are usually launched by tossing or throwing into the wind from the top of a slope. Most slopes are hills or cliffs where the wind strikes the surface of a slope and rises as it is forced upwards due to the shape of the hill. www.fatlion.com /sailplanes/slope.html   (1260 words)

 Slope County North Dakota - Amidon Marmarth White Butte Slope County is interesting to me because fewer than 1000 people live in an area larger than the State of Rhode Island. Slope County is in far southwestern North Dakota on the border with Montana and near South Dakota. Memorial to Fallen Soldiers from Slope County in front of the courthouse. www.geocities.com /CapitolHill/9975/slope   (841 words)

 Slope of a Straight Line (via CobWeb/3.1 planet03.csc.ncsu.edu)   (Site not responding. Last check: 2007-11-06) By the way, this can help you when you're doing calculations: if you calculate a slope as being negative, but you can see from the picture (graph) that the line is increasing (so the slope must be positive), you know you need to re-do your calculations. This relationship is true for every horizontal line: a slope of zero means the line is horizontal, and a horizontal line means you'll get a slope of zero. This relationship is always true: a vertical line will have no slope, and "slope is undefined" means that the line is vertical. www.purplemath.com.cob-web.org:8888 /modules/slope.htm   (722 words)

 Natural Hazards.org: Investigate: Slope Failures Slope failures can be triggered by atmospheric processes, geologic processes, human modification of the landscape, or most commonly, some interaction of all of the above. Slope stability is dependent on a variety of environmental factors, so mitigation of slope failures can be complicated. In areas where slope failures are a hazard, the best solution is not to place any structures on or near a slope that has been determined to be unstable. www.naturalhazards.org /investigate/slopes/index.html   (639 words)

 How to landscape a hillside or garden slope. Is the soil on the slope stable or is it a sand dune? Bare, grass-covered or ice plant-covered slopes commonly load up to field capacity (and beyond), while slopes covered with a mix of native shrubs and trees and perennials rarely do(Patric). Deer slopes: deer are lazy, give them a path, they'll commonly stay on the straight and narrow. www.laspilitas.com /howto/slope.html   (2106 words)

 Cynthia Lanius' Lesson: Stressed Out - Slope as Rate of Change There is a direct relation between the rate of change of a function and the slope of its lines. We are going to define slope at a point on a curved line as the slope of the tangent line drawn to the curve at that point. The slope of the curve at point A equals the slope of the tangent line at A. Notice that the slope of a curved line can be positive, where the function is increasing, negative, where the function is decreasing, or 0, where it reaches that highest point. math.rice.edu /~lanius/Algebra/stress.html   (763 words)

 Slope of a line - A complete course in algebra We can view this as a formula for the slope when the equation is in the general form. Write the equation of the straight line whose slope is −2 and which passes through the origin. For example, if a line has slope 4, then every line that is perpendicular has slope −¼. www.themathpage.com /alg/slope-of-a-line.htm   (942 words)

 Using Slope and y-Intercept to Graph Lines This formula for slope is sometimes referred to as "rise over run", because the fraction consists of the "rise" (change in By the way, you may already have known that the slope of the line was First, though, you might want to convert the slope to a fraction (so you can more easily do the "up and over" thing). www.purplemath.com /modules/slopgrph.htm   (451 words)

 SparkNotes: Graphing Equations: Slope The slope of a line is the rise over the run, or the change in y divided by the change in x. Often, however, the slope of a line is negative. A negative slope implies that y always decreases when x increases and y always increases when x decreases. www.sparknotes.com /math/algebra1/graphingequations/section4.rhtml   (515 words)

 Beginning Algebra Tutorial on Slope The slope of a line measures the steepness of the line. It doesn't matter which one you call point 1 and which one you call point 2 as long as you are consistent throughout that problem. Find the slope of the straight line that passes through the given points. www.wtamu.edu /academic/anns/mps/math/mathlab/beg_algebra/beg_alg_tut23_slope.htm   (642 words)

 Slope Fields, Part 1 There is no harm in thinking of the slope function as depending on both t and P, even when only of these variables appears in the formula. Recall from the Limited Population Growth module that the value of the slope function at any particular point in the (t, P)-plane is the slope at that point of a solution curve through that point. A slope field is also called a direction field, since it shows the directions followed by solution curves. www.math.duke.edu /education/ccp/materials/diffcalc/slope/slope1.html   (514 words)

 GALENA - slope stability analysis software, ground, back and failure analysis models and modelling software for the ... GALENA is the most powerful and flexible slope stability analysis system available, allowing you to analyze ground stability quickly and accurately using models that simulate geological conditions. CHASM is an integrated slope hydrology/slope stability software package that aids the assessment of slope stability conditions. It is designed to help the user estimate the effects on slope stability of selected storm events, surface covers, slope plan curvatures and other important slope and material properties. www.slope-analysis.com /index.html   (157 words)

 The Civil Engineering Portal - Geotechnical Engineering - Slope Engineering The relatively new capability to use fire modeling to predict the effects of fire on a building structure and its occupants has risen from research dedicated to understanding the dynamics of fire phenomena. An article on the down slope movement of rock near the Earth's surface prepared by Prof. On 22 October 1997, a slope failure at BHP Copper's Pinto Valley operations in the US released approximately 230 000 cubic metres of mine rock and tailings into a section of the dry bed of Pinto Creek. www.icivilengineer.com /Geotechnical_Engineering/Slope_Engineering   (291 words)

 Growing Small Farms: Sunny Slope Greenhouses Sunny Slope Greenhouses is now in its 26th year on Jim's farm, with Dave and Jim having a combined 56 years of tomato growing experience. Sunny Slope was originally a mostly wholesale operation with only a few tomatoes sold at the greenhouses. Jim and Dave believe that the things that set Sunny Slope tomatoes apart from most other tomatoes are their great taste and exceptional shelf life, which exceeds 14 days in the bag or on the counter. www.ces.ncsu.edu /chatham/ag/SustAg/sunnyslope.html   (387 words)

 Pi and the Fibonacci Numbers The first interpretation is called the sine of the angle of the slope where we divide the change in height by the distance along the road (hypotenuse). The second interpretation is called the tangent of the angle of the slope where we divide the change in height by the horizontal distance. The slope of a line in mathematics is ALWAYS taken to mean the tangent of the angle of slope. www.mcs.surrey.ac.uk /Personal/R.Knott/Fibonacci/fibpi.html   (4796 words)

 Star Wars vs Star Trek Essays: Slippery Slope Fallacy When I first posted my description of the Slippery Slope fallacy, I had a sneaking suspicion that some NRA supporters would get defensive at the fact that I cited a common pro-NRA argument as an example of the slippery slope fallacy. Claiming that the slippery slope fallacy is not a fallacy in this case. It is not a slippery slope fallacy when action A really does cause event B to occur, and event B really does cause event C to occur, and so on. www.stardestroyer.net /Empire/Essays/Debating-Slope.html   (1724 words)

 SparkNotes: Writing Equations: Slope-Intercept Form The first of the forms for a linear equation is slope-intercept form. where m is the slope of the line and b is the y-intercept of the line, or the y-coordinate of the point at which the line crosses the y-axis. Since parallel lines have the same slope, the slope of the new line will also be 7. www.sparknotes.com /math/algebra1/writingequations/section1.html   (405 words)

 College Algebra Tutorial on Slope of a Line Basically, the slope of the line measures the steepness of the line. Since the slope is positive, the line would rise (left to right). Find the slope of the straight line that passes through the given points or state that the slope is undefined. www.wtamu.edu /academic/anns/mps/math/mathlab/col_algebra/col_alg_tut25_slope.htm   (842 words)

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