4. A tug boat horn emits a frequency of 250 Hz in 18 °C air, at which temperature the speed of sound is 342 m/s. If the tug boat moves away from a stationary observer at 15 m/s, what is the observed frequency of the horn? V土V。 obs obs source V +E V source %3D Vobs source V = V source

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Author:Raymond A. Serway, John W. Jewett
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Chapter18: Superposition And Standing Waves
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Please solve this problem for me and show work. It's a physics class!! FYI they are both sides are adding as you can see in the second picture. Thanks!!
4. A tug boat horn emits a frequency of 250 Hz in 18 °C air, at which temperature the speed of sound is 342 m/s.
If the tug boat moves away from a stationary observer at 15 m/s, what is the observed frequency of the horn?
V obs
source V+V
obs
source
%3D
source
%3D
obs
V =
source
Sign
Transcribed Image Text:4. A tug boat horn emits a frequency of 250 Hz in 18 °C air, at which temperature the speed of sound is 342 m/s. If the tug boat moves away from a stationary observer at 15 m/s, what is the observed frequency of the horn? V obs source V+V obs source %3D source %3D obs V = source Sign
HWH2
V+ Vobs
for
L
Transcribed Image Text:HWH2 V+ Vobs for L
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