Question:

2. a. A guitarist strums a guitar string that is 95 cm in length. If the fundamental frequency heard is 200 Hz, what is the spee

2. a. A guitarist strums a guitar string that is 95 cm in length. If the fundamental frequency
heard is 200 Hz, what is the speed of a wave through the guitar string? (Fundamental:
L=0.5 wavelength).
b. What is the wavelength and frequency of the first four overtones for this guitar string?
(Overtones: L=(n+1)*0.5 wavelength, where n is the numbered overtone)
c. If the speed of sound in the air is given by:
T
Vw = (331 m/s)
SV 273 K
and the temperature is 20 Celsius, how long after she plays the string will an audience member
18 meters away hear the fundamental frequency?
d. How long after she plays will the same audience member hear the first overtone?
e. If the guitarist walks towards the audience at 1.5 m/s while playing, what frequency will the
audience hear for the fundamental frequency?
f. What % difference is your answer to e from when the guitarist wasn't moving?
g. For the same case as part e, what frequency will the audience hear for the first overtone?
h. For the same case as part e, what fundamental frequency will the guitarist hear herself
playing?
i. If the guitarist walks across the stage from left to right at 1.5 m/s, neither getting closer or
further from a specific audience member, what frequency will that audience member hear from
the fundamental frequency?

2. a. A guitarist strums a guitar string that is 95 cm in length. If the fundamental frequency heard is 200 Hz, what is the speed of a wave through the guitar string? (Fundamental: L=0.5 wavelength). b. What is the wavelength and frequency of the first four overtones for this guitar string? (Overtones: L=(n+1)*0.5 wavelength, where n is the numbered overtone) c. If the speed of sound in the air is given by: T Vw = (331 m/s) SV 273 K and the temperature is 20 Celsius, how long after she plays the string will an audience member 18 meters away hear the fundamental frequency? d. How long after she plays will the same audience member hear the first overtone? e. If the guitarist walks towards the audience at 1.5 m/s while playing, what frequency will the audience hear for the fundamental frequency? f. What % difference is your answer to e from when the guitarist wasn't moving? g. For the same case as part e, what frequency will the audience hear for the first overtone? h. For the same case as part e, what fundamental frequency will the guitarist hear herself playing? i. If the guitarist walks across the stage from left to right at 1.5 m/s, neither getting closer or further from a specific audience member, what frequency will that audience member hear from the fundamental frequency?

Answer

the
Acos
hu
stage pom eft a
2.1) ff
guitarist walks
right and
distance
audionce
change
thu
of her
for pom
Mof
a particular
fundamental
than
frequancy
hearod
by the
audience
nu
changed
so
the
fundamented frequency
will remain
200 H2

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