A 40-cm-long tube has a 40-cm long inse rt that can be pulled in and ~out, as shown in
Chapter 16, Problem 59(choose chapter or problem)
A 40-cm-long tube has a 40-cm long inse rt that can be pulled in and ~out, as shown in Figure P I6.59. A vibrating tuning fork is held next to the tube. As the insert is slowly pulled out, the sound from the tuningfork creates standing waves in the tube when the total length lis 42.5 cm, 56.7 cm, and 70 .9 cm. What is the frequency of thetuning fork? The air temperature is 20C.
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