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315 HW_2 - rad/sec 2.16(a x t = 1 731sin ω n t 993 ◦...

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North Carolina State University Department of Mechanical and Aerospace Engineering MAE 315-1 Dynamics of Machines Summer I, 2010 Homework #2: Due date June 1, 2010 Rao’s Textbook problems: 2.10, 2.16, 2.45, 2.62, 2.68. Self-study: Continue study of the tutorials for MATLAB at http://www.mae.ncsu.edu/undergrad/me online courses.h Solution : 2.10: ω n = 5 . 274
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Unformatted text preview: rad/sec , 2.16: (a). x ( t ) = 1 . 731sin( ω n t-. 993 ◦ ) in , (b). x ( t ) = 1 . 831sin( ω n t ) in 2.45: ( J + mr 2 ) ¨ θ + 16 r 2 kθ = 0, 2.62: (a). ω n = q g ‘ , (b). ω n = q ka 2 + mg‘ m‘ 2 , (c) ω n = q ka 2-mg‘ m‘ 2 , 2.68: ω n = q 9 mgd +10 k‘ 2 +9 k t m‘ 2 = 45 . 155 rad/sec . 1...
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  • Summer '08
  • WU
  • University of North Carolina at Chapel Hill, North Carolina State University, North Carolina State, Mechanical and Aerospace Engineering, http://www.mae.ncsu.edu/undergrad/me online courses

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