A vertical sag parabolic curve has a length of curve of 420 m. from A to B. The back tangent has a slope of  −3.2% and the point of intersection of the tangents is at station 7 + 180 with an elevation of 998 m. Find  the elevation of point A.

Q: (CE 2015). A slmple curve having a radius of 200 meters having a tangent with bearing N 10 deg E and…

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Q: The tangent at the beginning of the curve at the P.C. is 125.70 m long and that at the P.T. is 155.6…

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