Learn about new technologies!

What is the correct answer?


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

A. 0.2

B. 0.4

C. 0.6

D. 0.8

Please do not use chat terms. Example: avoid using "grt" instead of "great".