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The angle of repose, or critical angle of repose, [1] of a granular material is the steepest angle of descent or dip relative to the horizontal plane on which the material can be piled without slumping. At this angle, the material on the slope face is on the verge of sliding. The angle of repose can range from 0° to 90°.
Pantherian has a first drop of 300 feet (91 m), which reaches a maximum descent angle of 85 degrees. [1] Its lift hill structure was unique at the time, utilizing only two main points of support at the hill's crest. [ 5 ]
(This is the angle α opposite the "rise" side of a triangle with a right angle between vertical rise and horizontal run.) as a percentage, the formula for which is which is equivalent to the tangent of the angle of inclination times 100. In Europe and the U.S. percentage "grade" is the most commonly used figure for describing slopes.
1 in 14.2 (7.0%) Bernina Railway, Switzerland: MAX Light Rail system, Portland, Oregon, United States System's ruling gradient of 7.0% is located on the viaduct connecting the Steel Bridge with Southwest 1st Avenue. [13] [14] SacRT light rail, Sacramento, California, United States 1 in 15 (6.67%) Usui Pass, former Shin'etsu Main Line, Japan
The angle of the intersection with the green plane is the red plane's apparent dip in the northward direction . When measuring or describing the attitude of an inclined feature, two quantities are needed. The angle the slope descends, or dip, and the direction of descent, which can be represented by strike or dip direction. [4]
Adjust the bore angle by the angle correction. The gun sight is adjusted up by 0.94 mil or 3.2' in order to compensate for the bullet drop. The gunsights are usually adjustable in unit of 1 ⁄ 2 minutes, 1 ⁄ 4 minutes of angle or 0.1 milliradians .
This page was last edited on 30 June 2012, at 11:33 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...
From the highest point, trains drop 180 feet (55 m) at an angle of 85°, 15 feet (4.6 m) below ground level, reaching their top speed of 72 miles per hour (116 km/h). After this, cars ascend to a height of 125 feet (38 m) for an overbanked turnaround, followed by a descent back to the ground and a small air-time hill.