The equation of motion for a single degree of freedom system is4ẍ + 9ẋ + 16x = 0The critical damping coefficient for the system is

The equation of motion for a single degree of freedom system is4ẍ +

1.	The equation of motion for a single degree of freedom system is4ẍ + 9ẋ + 16x = 0The critical damping coefficient for the system is
A.	32
B.	16
C.	8
D.	4
Answer» C. 8