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How much power is radiated as sound from a band whose intensity is 1.6 x 10-3 W/m2 at a distance of 15 m? The power output of a tuba is 0.35 W. At what distance is the sound intensity of the tuba 1.2 x 10-3 W/m2. When the decibel level of traffic in the street goes from 40 to 60 dB, how much greater is the intensity of noise? (hint: page 490) If two flutists play their instruments together at the same intensity, is the sound twice as loud? Why or why not? (hint: page 490 Think about Intensity vs. Relative Intensity) What is Relative Intensity also known or referred to as? What is the formula for Harmonic Series of Standing Waves on a Vibrating String? How about a Pipe Open at Both Ends? How about a Pipe Closed at One End? What does the f stand for in the formula What are the units for f? What does the n stand for in the formula? What does the v stand for in the formula? What are the units for v? What does the L stand for in the formula? What are the units for L? How are the Speed of a Wave (p456) and Harmonic Series of Standing Waves on a Vibrating String (p495) related? What is the fundamental frequency of a 0.2 m long organ pipe that is closed at one end, when the speed of sound in the pipe is 352 m/s? A flute is essentially a pipe open at both ends. The length of the flute is 66 cm. What are the first three harmonics of a flute when all keys are closed? The speed of sound in the flute is 340 m/s. What is the fundamental frequency of a guitar string when the speed of waves on the string is 115 m/s and the effective string lengths are as follows? a. 70 cm b. 50 cm c. 40 cm deq  : J K !"#$$deڸhJh"5>*h"hVhJhhah!jh!jH*h!jh>h}H*h!jh h>h}hmhP<hP<H*hJhP<5>*hP<jh9UmHnHuh9 hP<5 h55 hV58dfghijklmnopq7 8 9 gdmgd9$a$gdV}$9 : 4 6 8 : D E F G H I gdmI $%&'()efgh?@AgdVgdm'=>$|$}$h!jUhVhJh ^5>*h ^h"h9h"5ABCDEFGABCDEFgd"gdVFGz${$|$gdVA violin string that is 50 cm long has a fundamental frequency of 440 Hz. 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