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203_Problem CHAPTER 9

# 203_Problem CHAPTER 9 - PROBLEM 9.147 CONTINUED Then I y...

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PROBLEM 9.147 CONTINUED Then ( ) 3 2 16.1155 4.7854 1.41785 0.78438 10 lb ft s y I = + + × 3 2 11.5344 10 lb ft s = × or 3 2 11.53 10 lb ft s y I = × W ( c ) Have ( ) ( ) ( ) ( ) 1 2 3 4 z z z z z I I I I I = + + where ( ) ( ) ( ) ( ) 2 2 2 2 2 3 2 2 1 1 3 1 1ft 105.676 10 lb s /ft 3 1 in 12 2 2 12 in. z I = × + + + × 3 2 2.4462 10 lb ft s = × ( ) ( ) ( ) ( ) 2 2 2 2 2 3 2 2 2 1 1.5 1 1ft 26.419 10 lb s /ft 1.5 1 in 12 2 2 12 in. z I = × + + + × 3 2 0.198754 10 lb ft s = × ( ) ( ) ( ) ( ) ( ) ( ) 2 2 2 2 2 3 2 2 3 1 1ft 5.1874 10 lb s /ft 3 0.5 1.5 0.75 0.5 in 12 12 in. z I = × + + + × 3 2 0.038275 10 lb ft s = × ( ) ( ) ( ) ( ) ( ) 2 2 2 2 2 3 2
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