97_Problem CHAPTER 9

97_Problem CHAPTER 9 - PROBLEM 9.82 CONTINUED Using...

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PROBLEM 9.82 CONTINUED Using Equations 9.18, 9.19, and 9.20 From Equation 9.18: cos2 sin 2 22 xy xx y II θ +− =+ () 66 6 4 4.2147 10 3.5133 10 cos 120 1.5732 10 sin 120 mm  + × ° × °  64 4.6089 10 mm or 4.61 10 mm x I W From Equation 9.19: sin 2 yx y =− + 6 4 4.2147 10 3.5133 10 cos 120 1.5732 10 sin 120 mm × ° + × ° 3.8205 or 3.82 y I W From Equation 9.20: sin 2 2 ′′
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