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Chapter 77: Practice Exercises
A stretched string has a length of 1.5 m and a mass of 0.25 kg.
A stretched string is vibrated in such a way that a wave appears.
The tuning forks are vibrating.
There are two forks with different frequencies, one with a Frequency of 256 and the other with a Frequency of 280.
A sound wave can take 3 s to reach a receiver.
When neighbors play their stereos too loud, apartment dwellers are used to hearing the "boom-boom" sound of bass tones.
T is 4.2 N if you use the given information and solve for tension.
The wavelength of l is 1.14 m.
Waves are perceived as being louder in sound.
T is 48,000 N.
When crossing a bridge, people should not march in unison because it can lead to destructive large amplitudes.
The bass tones in the apartment building walls are so low that they sound like "boom-boom", which is familiar to apartment building dwellers.
The sound waves are carried farther by the hot summer air.
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