Posts Tagged ‘elevation’

Angle of Elevation

Tuesday, November 24th, 2009

How to Calculate the Angle of Elevation

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Description

A detailed tutorial on how to calculate the angle of elevation. Step by step tutorial including several examples of the angle of elevation for reference.

Overview

The angle of elevation is the angle at which a person must be looking in order to see an object that is higer than the observer. Typically, the angle of elevation is a term used in trigonometry, when calculating angles of a right triangle. In a right triangle, the angle of elevation is the angle between the hypotenuse and the base. It can be calculated by using SOHCAHTOA and solving for the sine, cosine, or tangent.

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Superelevation

Tuesday, October 13th, 2009

Overview of Superelevation

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Description

A detailed tutorial on superelevation. Step by step tutorial including a visual example of superelevation of a road for reference.

Overview

The superelevation of a road or of a railway is the difference in elevation between the two edges. A non-zero superelevation – meaning that the edges of the road or railway are at different heights – allows for a bank turn, letting vehicles traverse the turns at higher speeds than would otherwise be possible. Superelevation is sometimes referred to as the cant of a road or railway. An important calculation in superelevation is the maximum speed of a vehicle on a curved road. It is determined by the formula V_{max}=\sqrt{\frac{E_a + 3}{0.0007d}}.

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Posted in Algebra | No Comments »

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