Question: Please help I have been stuck on these homework question for a long time!! a) The speed of a wave travelling along a 0.680 m

Please help I have been stuck on these homework question for a long time!!

long time!!a) The speed of a wave travelling along a 0.680 m

The speed of a wave travelling along a 0.680 m guitar string is 208 m/s. What is the frequency of the eigth harmonic?Which of the following best explains why sound is quieter from a further distance?At farther distances sound waves interfere with other mechanical waves and lose energy. As you increase the distance from the source of the sound, the area in which the sound wave covers increases and the energy is spread out more. As you increase the distance from the source of the sound, more of the sound wave ends up being reflected in different directions causing it to lose energy. As the sound travels a longer distance it gets dampened because air does not transmit waves very efficiently

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