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Numerical - Logarithmic decrement, given amplitude
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Dynamics of Machinery
Q. Determine logarithmic decrement, if the amplitude of a vibrating body reduces to 1/6
th
in two cycles.
- Published on 11 Sep 15
a.
0.223
b.
0.8958
c.
0.3890
d.
None of the above
ANSWER: 0.8958
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Discussion
Bhalchandra Yalamali
-Posted on 05 Nov 19
? = (1÷n)*(ln(x0÷xn))
? = (1÷2)*(ln(1÷(1÷6)))
? = 0.8958
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