A reverse curve connects two parallel tangents 8 m apart. If the central angle is 30°, find the length of the common radius.

The slope dv/dx is positive when the tangent to the elastic curve slopes upward to the right. O False True L MO B UN

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A simple curve connects two tangents AB and BC with bearings N 85°30'00" E and S 68°30'00"E, respectively. If the stationing of B is 4+360.2, and the stationing of PC is 4+288.4, determine the following: a. Radius Answer: R= b. External Distance Answer: E= c. Middle Ordinate Answer: M= d. Chord Distance Answer: Lc= e. Length of Curve Answer: L= m m m m E

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Length of the curve depends on the criteria used for defining the degree of .the curve True O False O

The elevation of the PVI and the elevation of the curve at the PVI are the same. True O False

Q1B) A circular horizontal curve having radius (R)=100 m and Deflection angle (0)= 60°. Compute the basic elements (L,LC,T,M,E) of the curve. gure below:

In a compound curve, the line connecting the P.l. at point V and the PC is an angle bisector. VA is 270 meters and BV =90 m. The stationing of A is 6+421 and that of B is 6+721. Point A is along the tangent passing through PC while point B is along the tangent passing through PT. The PC is also along AB. a. Compute the radius of the first curve b. Compute the radius of the second curve c. Determine the length of the line connecting PC and PT.

QUESTION 7 Determine the common tangent of a reversed curve given the following properties: 11 = 38.90° D₁ = 5.75° 12 = 37.95⁰ D2 = 3.81° NOTE: Solution is not required.