826_Dynamics 11ed Manual

826_Dynamics 11ed Manual - Engineering Mechanics - Dynamics...

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Engineering Mechanics - Dynamics Chapter 22 W m 150 lb = d 10 in = δ 1in = C 0.25 in = g 32.2 ft s 2 = Solution: k W m = k 1800 lb ft = ω n k W m g = n 19.657 rad s = There are 2 correct answers to this problem. We can find these 2 answers by starting with different inital guesses. 25 rad s = Given C W b d 2 gk 1 n 2 = Find () = 20.3 1 s = 18 rad s = Given C W b d 2 gk 1 n 2 = Find () = 19.0 1 s = Problem 22-55 The engine is mounted on a foundation block which is spring-supported. Describe the steady-state vibration of the system if the block and engine have total weight
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