315 HW_3

# 315 HW_3 - × 10 4 N/m,c = 353 12 Ns/m k = 5 03 × 10 4...

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North Carolina State University Department of Mechanical and Aerospace Engineering MAE 315-1 Dynamics of Machines Summer I, 2010 Homework #3: Due date June 4, 2010 Rao’s Textbook problems: 2.84, 2.89, 2.93, 2.101, 2.106, 2.122. Answers: 2.84: c t = 2 . 706 NmSec/rad . 2.89: (ii) k = 5 . 092
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Unformatted text preview: × 10 4 N/m,c = 353 . 12 Ns/m ; k = 5 . 03 × 10 4 N/m,μ = 0 . 0503. 2.93: x ( t ) = 0 . 052 e-6 . 131 t sin(23 . 99 t + 1 . 32) m . 2.101: ω n = q 36 k 7 m . 2.106: k = 8 . 8827 × 10 4 N/m,c = 905 . 134 Ns/m . 2.122: r = 12; t = 1 . 7022 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, Raleigh, North Carolina

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