In a vibrating system, if the actual damping coefficient is 40 N/m/s and critica

Question

In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to

Options:

A . 0.2

B . 0.6

C . 0.4

D . 0.8

Answer: Option B

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