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p0274 - 2.74 CHAPTER 2 2.74 Chapter 2 Problem 74 Problem As...

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Unformatted text preview: 2.74. CHAPTER 2, PROBLEM 74 187 2.74 Chapter 2, Problem 74 Problem: As an airplane approaches an airport, it follows a path given by z = h [1 − 1 16 ( x/h ) 2 ] , where z is altitude, x is horizontal distance and h is the altitude at x = 0 . The difference between the thrust provided by the engines, T , and the aerodynamic drag, D , yields a tangential acceleration of a jet = 1 4 g , where g is gravitational acceleration. For x/h = 4 , determine the airplane’s speed, v , and total acceleration, | a | in terms of g and h . .................................................................................................................................................................... z h x φ φ ρ n − D t T t g = − g k ..................................... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
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