A mass of 1 kg is attached to the end of a spring with a stiffness of 0.7 N/mm. The critical damping coefficient of this system is

A mass of 1 kg is attached to the end of a spring with a stiffness of

1.	A mass of 1 kg is attached to the end of a spring with a stiffness of 0.7 N/mm. The critical damping coefficient of this system is
A.	1.4 N-s/m
B.	18.52 N-s/m
C.	52.92 N-s/m
D.	529.2 N-s/m
Answer» D. 529.2 N-s/m