Doppler Effect: A truck horn emits a frequency of 800 Hz in 20 °C air, which has a speed of sound of 343 m/s. If the truck is moving toward a stationary observer at 20 m/s answer the following: a What is the frequency of the source (Hz) f(source)? b What is the speed of sound v(m/s)? c) What is the speed of the observer (m/s) v(observer)? d) What is the speed of the source (m/s) (source)? e What is the frequency (Hz) that is observed f(observed)?
Interference of sound
Seiche
A seiche is an oscillating standing wave in a body of water. The term seiche pronounced saysh) can be understood by the sloshing of water back and forth in a swimming pool. The same phenomenon happens on a much larger scale in vast bodies of water including bays and lakes. A seizure can happen in any enclosed or semi-enclosed body of water.
Doppler Effect: A truck horn emits a frequency of 800 Hz in 20 °C air, which has a speed of sound of 343 m/s. If the truck is moving toward a stationary observer at 20 m/s answer the following: a What is the frequency of the source (Hz) f(source)? b What is the speed of sound v(m/s)? c) What is the speed of the observer (m/s) v(observer)? d) What is the speed of the source (m/s) (source)? e What is the frequency (Hz) that is observed f(observed)?
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