Consider a problem analogous to the varying wind velocities encountered by transcontinental aircraft. We assume a constant

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Consider a problem analogous to the varying wind velocities encountered by transcontinental aircraft. We assume a constant altitude, a plane earth, a flight along the x axis from 0 to 10 units, no vertical velocity component, and no change in wind velocity with time. Assume axto be directed to the east and ayto the north. The wind velocity at the operating altitude is assumed to be:

(0.01.x2 v(x, y) = – 0.08x +0.66)a, – (0.05x – 0.4)a, 1+0.5y2


Determine the location and magnitude of

(a) The maximum tailwind encountered;

(b) Repeat for headwind;

(c) Repeat for crosswind;

(d) Would more favorable tailwinds be available at some other latitude? If so, where?

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Engineering Electromagnetics

ISBN: 978-0073380667

8th edition

Authors: William H. Hayt, John A.Buck

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