(See The Wide World of Fluids article Why Winglets,Section 9.4.2.) It is estimated that
Chapter 9, Problem 9.123(choose chapter or problem)
(See The Wide World of Fluids article Why Winglets?,Section 9.4.2.) It is estimated that by installing appropriatelydesigned winglets on a certain airplane the drag coefficient will bereduced by 5%. For the same engine thrust, by what percent willthe aircraft speed be increased by use of the winglets?
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