194_Problem CHAPTER 9

194_Problem CHAPTER 9 - PROBLEM 9.143 CONTINUED (b) Iy = Iy...

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PROBLEM 9.143 CONTINUED ( b ) ( ) ( ) ( ) 123 yy y y I III =+− () 2 2 22 11 f t 0.88667 lb s /ft 4 in 21 2 i n .  =⋅ ×    () ( ) 2 f t 0.083126 lb s /ft 1 2 in 2 i n . +⋅+ × 2 f t 0.055417 lb s /ft 1 2 in 2 i n . −⋅ + × 5.0125 10 lb ft s 2 or 0.0501lb ft s y I W ( c ) ( ) ( ) ( ) zz z z I () () () 2 2 f t 0.88667 lb s /ft 3 4 2 1 in 12 12 in.   + + ×    () () ( ) ( ) 2 2 2 f t 0.083126 lb s /ft 3 1 3 2 1.5 in 12 12 in. +⋅ + + + × () ( ) ( ) () 2 2 2 f t 0.055417 lb s /ft 3 1 2 2 1 in 12 12 in. + +
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