One of the harmonics of a column of air in a tube that is open at one end and closed at the other has a frequency of 448 Hz, and the next higher harmonic has a frequency of 576 Hz. How long is the tube? The speed of sound in air is 343 m/s.
A) 1.34 m
B) 0.670 m
C) 0.335 m
D) 1.00 m
E) 2.68 m
Question 2
One of the harmonics of a column of air in a tube that is open at both ends has a frequency of 448 Hz, and the next higher harmonic has a frequency of 576 Hz. What is the fundamental frequency of the air column in this tube?
A) 32 Hz
B) 64 Hz
C) 88 Hz
D) 128 Hz
E) 256 Hz
Sieve-tube elements and companion cells in phloem tissue
Closed urinary drainage system. Urine being measured after it leaves patient’s body via catheter.
Endotracheal Tube
An open fracture.
Vehicles equipped with onboard refueling vapor recovery usually have a reduced-size fill tube.
Growth in Open Economies