Question

A 537-Hz tuning fork is struck and placed next to a tube with a movable piston, creating a tube with a variable length. The piston is slid down the pipe, and resonance is reached when the piston is 108.5 cm from the open end. The next resonance is reached when the piston is 77.5 cm from the open end. What is the speed of sound in the tube? v = m/s

          A 537-Hz tuning fork is struck and placed next to a tube with a movable piston, creating a tube with a variable length. The piston is slid down the pipe, and resonance is reached when the piston is 108.5 cm from the open end. The next resonance is reached when the piston is 77.5 cm from the open end.
What is the speed of sound in the tube?
v = m/s
        
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University Physics with Modern Physics
University Physics with Modern Physics
Hugh D. Young 14th Edition
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A 537-Hz tuning fork is struck and placed next to a tube with a movable piston, creating a tube with a variable length. The piston is slid down the pipe, and resonance is reached when the piston is 108.5 cm from the open end. The next resonance is reached when the piston is 77.5 cm from the open end. What is the speed of sound in the tube? v = m/s
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Transcript

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00:01 So we have a tuning fork that emits a frequency of 537 hertz when it struck.
00:13 And this is placed next to a tube with a movable piston.
00:16 So it kind of looks like this.
00:21 This is the piston.
00:27 And so this piston can move up and down, right? essentially, this is creating a tube with a variable length.
00:35 The piston is slid down the pipe and resonance is reached when the pipe.
00:39 When the piston is 108 .5 centimeters from the opened end.
00:44 This means that length 1 is 108 .5 centimeters, or in other words, 1 .085 meters.
00:57 The next resonance is reached when the piston is 77 .5 centimeters from the opened end...
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