11_P05InstructorSolution

11_P05InstructorSolution - 11.5. Solve: (a) The length of A...

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11.5. Solve: (a) The length of A G is () ( ) 22 342 5 5 . AA A A = =⋅ = + −= = G GG The length of B G is ()( ) 26 B =− + = 40 2 10. == Using the answer 30 AB =− G G from Ex11.3(a), () 1 cos 30 5 2 10 cos cos 0.9487 162 AB AB α ⋅= ⇒− = ⇒= = ° G G (b) From EX11.3 (b),
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