In this problem, use 343 m/s for the speed of sound in air. (a) Find the speed o

Question

In this problem, use 343 m/s for the speed of sound in air. (a) Find the speed of waves on a musicalinstrument's string of mass 810 mg andlength 22.0 cm if the fundamentalfrequency is 970 Hz.
1 m/s

(b) What is the tension in the string?
2 N

(c) For the fundamental, what is the wavelength of the waves on thestring?
3 m

(d) For the fundamental, what is the wavelength of the sound wavesemitted by the string?
4 m (a) Find the speed of waves on a musicalinstrument's string of mass 810 mg andlength 22.0 cm if the fundamentalfrequency is 970 Hz.
1 m/s

(b) What is the tension in the string?
2 N

(c) For the fundamental, what is the wavelength of the waves on thestring?
3 m

(d) For the fundamental, what is the wavelength of the sound wavesemitted by the string?
4 m

Explanation / Answer

Speed of sound in air v ' = 343 m / s

Mass M = 810 mg = 0.81 g = 0.81 * 10^ -3 kg

Fundamental frequency f = 970 Hz

(a). we know f = v / 2L

From this speed of the waves v = 2Lf

                                                   = 426.8 m / s

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