1. 4. A quitar emits a 440 Hz tone. How far apart are the crests in room temperature air (20 °C)? How long does it take the string to vibrate from crest position to trough position (across twice the amplitude)? 2. A person is listening to a new instrument capable of sounds ranging from 10 dB to 150 dB and with frequencies from 12 Hz to 30 000 Hz. Comment on the suitability of this instrument for the musician or audience

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Stretched string

A stretched string is a wire which is made up of any metal that must have a larger length compared to its thickness. The ends of the wire are fixed, and when they oscillate or are plucked, it produces two reflected transverse waves of the same frequency and same amplitude. The waves or pulses are traveling in alternate directions and superimpose with one another. This waveform is named standing or stationary waves.