Answer:
36
Step-by-step explanation:
Answer:

Step-by-step explanation:
For the spring mass system
my"+by'+ky=0
The system is said to be critically damped if 
Here b is coefficient of friction
m is the mass of system
And k is spring constant
We have given m = 2 kg , k =1
So 


So the coefficient of friction is
Answer:
135????
Step-by-step explanation: