00:01
This quotient should be done at resonance condition where magnitude is obtained.
00:13
The maximum amplitude should be less than 1 inch at resonance.
00:16
So we can say omega n equals to omega given that we have given m equals to 19 .3 lb which is equals to 8 .75433 kg.
00:37
The value of force that is f is equals to 12 lb which is equals to 5 .44311 kg.
00:57
To convert force into newton's we first convert that is force f is equals to 5 .44311 into g that is 9 .81.
01:10
Here we consider value of g is 9 .81 which is equals to f is equals to 53 .396 n.
01:23
Here is the value of force.
01:27
Now the given frequency that is given frequency is equals to 300.
01:39
The minimum frequency is 60.
01:41
Sorry we have to convert this into minute.
01:44
We get 300 by 60 that is 5 of hertz.
01:47
Now omega equals to 2 pi f which is equals to 2 into pi into f that is 5.
01:57
On solving this we get 10 hertz or we can 10 pi hertz...