Answered: R = _______lb

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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A two-engine jet transport has a loaded weight of 72000 lb and a forward thrust of 9710 lb per engine during takeoff. If the transport requires 3950 ft of level runway starting from rest to become airborne at a speed of 138 knots (1 knot = 1.151 mi/hr), determine the average resistance R to motion over the runway length due to drag (air resistance) and mechanical retardation by the landing gear.

R = _______lb

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