Physics Observations and Data Speed of Sound Lab Report: Physics Answers 2021

Physics Observations and Data Speed of Sound Lab Report: Physics Answers 2021

Question Title:

Physics Observations and Data Speed of Sound Lab Report

Full Question:

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Name
Speed of Sound Lab
Observations and Data:
Room Temp. _________?C
VStandard = _______ m/s
Use Vsound = 331.5 m/s + (0.6 m/s/?C ? Tempair) to find the ?Standard? Speed of Sound
Resonance Method
Data Analysis:
1. Find the percent error between the two values for speed of sound. Use the room temperature
value as the ?standard? and your average ?experimental? value.
Percent error = |
standard?experimental
standard
| x 100
% error = _______________ %
2. Graph the frequency (y) versus the wavelength (x). Draw a best fit straight line.
Analysis Questions
3. Use your data to write a relationship statement for wavelength and frequency.
4. Should the values for ?v? using just the resonance method be the same for all tuning forks?
Explain.
5. Was the speed of sound the same for all tuning forks using just the resonance method? Use
data to support your answer.
6. Should the speed of sound be the same using both methods (resonance and air temperature)?
Explain.
7. Was the speed of sound the same using both methods (resonance and air temperature)? Use
data to justify your answer.
Name
Speed of Sound Lab
Observations and Data:
VStandard =
Room Temp. 22.0__?C
3466.7 m/s
Use Vsound = 331.5 m/s + (0.6 m/s/?C ? Tempair) to find the ?Standard? Speed of Sound
Resonance Method
*
Frequency
Length
=4 L Vexperimental = 1 Percent Error
(Hz)
(meters)
Use the equation
f (m/s)
(meters)
(see analysis #1)
below to
512
0.156 0.624
7.31%
319.488
calculate the
480
0.163 02652
9,12% %
percent error for
426.6
0.184 0.756 322.5
6.416 each trial Use
384
0.23
the room
0.852
5,09%
327,168
341.3
temperature
0.288
0.952
5.72%
320.a
value as the
320
0.253
323.84
6.05%
standard? in all
288
0 290 1.16 334.08 3.08% cases. Use the
256
0.319
1.276 326. 666
5.23% ?experimental?
value of each
trial
Average Vexperimental = _323.949
Average Percent Error = _5.99%
312.96
1
Data Analysis:
1. Find the percent error between the two values for speed of sound. Use the room temperature
value as the ?standard? and your average ?experimental? value.
standard-experimental
Percent error =
x 100
% error =
%
standard
2. Graph the frequency (y) versus the wavelength (X). Draw a best fit straight line.
Frequency vs. Wavelength when determining the speed of sound
560
540
320
500
480
F
R
E
Q
U
E
N
?
Y
460
440
420
400
380
360
.
(Hz)
340
320
300
280
260
240
220
200
.
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
WAVELENGTH (m)

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