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The VPI (vertical point of intersection) is 100 m away (when measured along the horizontal) from the VPC (vertical point of curvature). If the vertical curve is parabolic the length of the curve (in meters and measured along the horizontal) is ________
    Correct answer is between '199,201'. Can you explain this answer?
    Verified Answer
    The VPI (vertical point of intersection) is 100 m away (when measured ...

    For flat vertical curve we assume that l= l2
    l = l1 + l2 = 100 + 100 = 200 m
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    The VPI (vertical point of intersection) is 100 m away (when measured ...
    Given information:
    - VPI (vertical point of intersection) is 100 m away from the VPC (vertical point of curvature) when measured along the horizontal.
    - The vertical curve is parabolic.

    To find:
    - The length of the curve (measured along the horizontal).

    Solution:
    To find the length of the curve, we need to understand the relationship between the VPI, VPC, and the length of the curve.

    1. Definition of VPI and VPC:
    - VPI (Vertical Point of Intersection): It is the point where two gradients meet. In other words, it is the point where the ascending and descending gradients intersect.
    - VPC (Vertical Point of Curvature): It is the midpoint of the parabolic curve.

    2. Relationship between VPI, VPC, and the length of the curve:
    - The VPI is located 100 m away from the VPC when measured along the horizontal.
    - The length of the curve is the distance between the VPI and the VPC, measured along the horizontal.

    3. Calculating the length of the curve:
    - Let's assume the length of the curve (measured along the horizontal) as 'L'.
    - According to the given information, the distance between the VPI and the VPC is 100 m.
    - Therefore, we can write the equation as follows: L = 100 m.

    Final answer:
    The length of the curve, measured along the horizontal, is 100 meters.
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    The VPI (vertical point of intersection) is 100 m away (when measured along the horizontal) from the VPC (vertical point of curvature). If the vertical curve is parabolic the length of the curve (in meters and measured along the horizontal) is ________Correct answer is between '199,201'. Can you explain this answer?
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