-what are the first five fundamental frequencies of a tube open at both ends? the tube is 55cm long and the speed of sound is 346m/s -if one end of the tube in the question above is closed, use the same data and find the first five fundamental frequencies

WT-2 A pipe closed at one end and open at the other has a length of 0.750m. Jiatai places a speaker producing a low sound frequency above the open end of the tube. He then increases the frequency slowly. The pipe is in air at sea level. a) Draw the possible standing wave patterns for the sound waves in the tube starting with the lowest frequency. lowest frequency fa fo fa highest open end L=0.750m closed end L%3D L= L= b) Below each pattern write the tube-length-to-wavelength relationship for each pattern. c) Write the general symbolic relationship for the frequency of the n" harmonic, fn. Specify the possible values for n. d) Put the known information into your equation and find the numerical value of the frequencies fa, f, fe, and få. e) Jiatai can hear frequencies up to 19,980HZ. What is the highest frequency of the highest harmonic that Jiatai can hear from this tube and what is the harmonic number n of that harmonic? Answers WT-1 a) L=/4, L=32J4, L=52/4, L=7/4 b) 0.166m WT-2 a)---…

If a wind instrument, such as a tuba, has a fundamental frequency of 90.0 Hz, what are its first three overtones (in Hz)? It is closed at one end. (The overtones of a real tuba are more complex than this example, because it is a tapered tube.) first overtone Hzsecond overtone Hzthird overtone Hz

You are designing an organ pipe that you wish to sound out an "A" note on the musical scale, which has a frequency of 440 Hz.  The pipe will be open at both ends.  What must the length of your pipe be in order for its "fundamental" tone to be an "A" at 440 Hz?   Hint: first determine the wavelength of the sound wave in the pipe; then the frequency is related to this wavelength and to the speed of sound, which you can take to be 330 m/s in air at room temperature. What will be the frequency of the first overtone of this pipe?  (Hint: it is an "A" as well!)

W S # JO E X 3 5. By how many decibels do you reduce the sound intensity level due to a source of sound if you quadruple your distance from it? Assume that the waves expand spherically. X 40 dB 4 C 25 868 R % 5 FS DEC V T tv 6 MacBook Air B F6 H & 7 F7 8 N انات 9 M K MOSISO zoom P CU command 1 option