# problems lesson test

## problems lesson test

... Talk a Lot Problems Lesson Test Answers A) Answers will vary Suggested answers: (rhyming slang) on the dole [claiming...
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## AAELecture 22 Typical dynamic instability problems and test review

... =  ei ωt  x  x  p12   x1      x2  ( ) K = M1 ω 22 = ω − ω ω 12 + ω 22 + ω12ω 22 = Q is a real number If p12 and p21 have the same ω12 sign (both positive or both negative) can ... the radical sign to become zero and then go negative The zero condition is: ( K1 M1 K ω 22 = M2 ω12 = ω 12 Q =− − ω 22 ) Q2 = −4 p12 p 21 M1 M ( M M ω 12 − ω 22 p12 p21 ) p12 p21 = − ( M M ω ... ωn = ∆ = = ω 12 ω 22 ( )( ) ω 12   x1   = Q    K   x2   p21 ω 22 Q2 = p12 p21 M 1M KK Q = p12 p21 Q2 − p12 p21 M 1M M M 2ω 12ω 22 Q = p12 p21 p12 p21 = M M 2ω12ω 22 Q2 Divergence requires...
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## Lectures 22, 23 Typical dynamic instability problems and test review

... done by aeroelastic forces and must become dynamic Three different definitions of roll effectiveness • Generation of lift – unusual but the only game in town for the typical section • Generation ... c b  Kθ  2.0 nondimensional divergence dynamic pressure Seao qD =   b  K  tan Λ  cos Λ  1−   θ   e K    φ  nondimensional divergence dynamic pressure vs wing sweep angle 1.5 ... lift eff ect iveness vs dynamic pressure 2.0 lif t ef f ect iveness unswept wing 1.5 unswept wing divergence 1.0 15 degrees sweep 30 degrees sweep 0 50 10 150 20 250 dynamic pressure (psf ) 30...
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## politics lesson test

... Talk a Lot Politics Lesson Test Answers A) 1) tax 2) debate 3) politician 4) government 5) citizen 6) trust 7) democracy...
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