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Unformatted text preview: The motor has weight W m . Neglect the mass of the beam. Given: W b 0.25 lb = W m 150 lb = d 10 in = g 32.2 ft s 2 = 1 in = Solution: k W m = k 1800 lb ft = n kg W m = n 19.66 rad s = Resonance occurs when n = 19.7 rad s = 822...
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- Spring '08