Answer: 17.59 Hz and 4.87 m
Explanation:
The fundamental frequency of the sound from an open-open pipe is given as
f= 
where v= 343 m/s
L= 32 feet=
= 9.75 m
So,
f=
= 17.59 Hz
The length of open-closed tube is related to frequency by formula
f= 
or L=
L= 
L= 4.87 m
D - performance measures.
If Dan is starting his plant, he will want to see if his new workers are performing the way he wants them to perform in order to meet the requirements for the amount of product he would like to produce on a weekly basis. This can be only done if he will pay special attention to different performance measures.
Hello!
Use the <u>second law of Newton:</u>
F = ma
Replacing:
F = 40 kg * 30 m/s^2
Resolving:
F = 1200 N
The force is <u>1200 Newtons.</u>
Answer:
Angle of refraction for red light is
Angle of refraction for blue light is
Explanation:
It is given refractive index for red light is 
Refractive index of blue light 
Angle of incidence 
According to law of refraction 
For red light 



Therefore angle of refraction for red light is 
Similarly for blue light 


r = 
Therefore angle of refraction for blue light is 