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Vibration
solve all question with all steps please and by hand writting
coefficient Ulte 3 Sun, It is observed experimentally that the amplitude of free vibration of a con tain structure, modeled a
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Answer #1

Decrement Ratio. celos Ž .108. oca = ea 0 , 4 In(2-5)= 108. 8.0.0916. 8- 272_ - 0.0916. - Squaring. 4a? 8-395*10-3 (1-3?). 2

OR

lub Since jaco ) = ; 27€ (io cycles). 20T di = 1, Uitto = 0.4. &p = ln (ott) - 20T = 1.4583x10 E = 10467 ñ 1.5%

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