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# A speaker emits 10 W in every direction. Calculate the sound intensity at. (a) 2.00 away from the speaker (b) 4.00 away from the speaker A guitar...

A speaker emits 10 W in every direction. Calculate the sound intensity at...

(a) 2.00 away from the speaker

(b) 4.00 away from the speaker

A guitar string has a length of 32.5 cm and the wave speed of the string is 650 m/s.

(a) Calculate the frequency of the first harmonic (the fundamental frequency)

(b) Calculate the first overtone frequency.

Hint: Don't go for shortcuts. Make sure to show how you get your answer, including pictures.

Which harmonic is this?

(c) Calculate the second overtone frequency.

Hint: Don't go for shortcuts. Make sure to show how you get your answer, including pictures.

Which harmonic is this?

(d) Following the pattern, what is the frequency of the third overtone?

Which harmonic is this?

(e) Following the pattern, what is the frequency of the fourth overtone?

Which harmonic is this?

Perform the following calculations. The speed of sound in air at room temperature is 340 m/s,

a. The wavelength of a music note of 256 Hz.

1-a) 0.199 W/m 2 1-b) 0.0497 W/m 2 2-a)... View the full answer

Here is the explanation for... View the full answer

a) n=1 }. Fundamentalfrequencyfl
b) n=2 W Second harmonic f2. first overtone
C) and d) [FBM Third harmonic f3.Second overtone e) “=4 w Fourth harmonic f4.Third overtone

1 comment
• Standing waves on a rope: When a wave sinusoidal is reflected from a fixed or free end of a string stretched, the incident and reflected waves combine to form a stationary sine wave that contains nodes and antinodes.
• joshVe
• Apr 03, 2018 at 12:27am

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