Concept explainers
A level pipeline is required to pass through a hill having a parabolic profile
The origin of the x - and y -coordinates is fixed at elevation zero near the base of the hill, as shown in Fig. P2.33.
(a) Write the
(b) Solve the quadratic equation found in part (a) to determine the positions of the tunnel entry XA and exit Xb using both the quadratic formula and completing the square.
(c) Find the length of the tunnel.
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