Sound Source Level (dB) Smashin' Pumpkins concert (front row) Smashin' Pumpkins concert (15th row) 110 100 Average factory 90 Normal Speech 60 Library 40 Threshhold of hearing

Q: please help with these three questions 1) The sound intensity levels for a machine shop and a…

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Q: A cricket is chirping with an unknown power. If the sound intensity level of the cricket is 100 dE…

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Q: Assume the speed of sound in air is 373 m/s. This question again refers to a Quncke tube (as in…

A: Let x denotes the change in length of the longer tube, λ denotes the wavelength of the sound wave, v…

Q: the amount of sound energy being trasnferred per unit area is called the pressure.

A: in this question  we discuss about sound energy  transfer per unit .

Q: 4. Suppose these two pulses overlap in a medium. Note that this is a snapshot graph with x on the .…

A: Solution: a). The total displacement is listed in the given table, for x=0, total displacement is…

Q: Problem The graph below shows the spectrum of sound that is produced by two pipes simultaneously…

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Q: There are three distinct sounds coming from a sound source 6 blocks away. Using the illustrations…

A: Given information: The speed of sound in air (v) = 340 m/s From the given figure the we can infer…

Q: a) How much louder is a 90 dB sound compared to a 50 dB sound? b) Based on the chart describe the…

A: One decibel  equals 10 times the common logarithm of the power ratio. Expressed as a formula, the…

Q: The supervising Engineer giving instructions produces an acoustic power of 0.001 W (spherical…

A: For Engineer's signal, P1=0.001 WDistance from microphone to signal, r1=2 mFor ventilation source,…

Q: A stationary hawk is screeching as another hawk flies towards it. The stationary hawk is emitting a…

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Q: What would be a suitable design sound level range for a Lunch Room in a factory according to…

A: Please see the next step for solution.

Q: A student is tesling project. is 10:0 m length is made up a wire for If length of diameter is the…

A: Length of wire = 10 metre Diameter of wire =2.5 cm Young modules = 200×109N/m

Q: The sound passes from one medium to .4 another its propagation . is *. different

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Q: An open tube produces the third harmonics sound of 600 Hz. Which of the following statement(s)…

A: Given that, third harmonics with frequency 600HZ

Q: 3. The stationary wave satisfies the following equation, y = 3 cos (3πt) sin (πx) meters With t in…

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Q: 1. Refer to the figure below of two pulses traveling down a string. a. At t=1 s, what is the…

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Q: Sound intensity level B = (10 dB) log10 (1 /m²) I 10-12 W/m² Doppler effect: source approaching…

A: Doppler effect in physics is defined as the increase (or decrease) in the frequency of sound, light,…

Q: Two violinists, Abby and Bob, sit 4m and 9.2m away from an orchestra conductor, respectively. The…

A: Given: The distance Abby sit away from an orchestra conductor RA = 4 m The distance Bob sit away…

Q: akes a frec front of an open closed pipe. Assume room temperature is 20 degrees. a. What distances…

A: Part (a) Given data: Frequency = 440 Hz Temperature = 20 degrees In case of an open pipe, the…

Q: Two identical point sources are generating waves with the same frequency and amplitude. The two…

A: Let the two point source be S1 and S2.  The condition for constructive interference is : The…

Q: Define the term intensity of a sound wave. State the unit in which it is measured.

A: Sound intensity is also known as the acoustic intensity. It is defined as the power carried by the…

Q: Write the difference between Intensity of a sound and intensity level of a sound.

A: Intensity of sound and Intensity level of sound

Q: Q25. The intensity at a certain location is 0.0020 W/m². What is the sound intensity level at this…

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Q: a. Find the sound level of a motorcycle if its intensity is 10" times lg- b. Find the sound level of…

A: (a) Given: The intensity of the motorcycle is 1010 times I0.

Q: Explain what causes the sound of an ambulance siren to change as it comes toward you and passes you…

A: The pitch of the siren of a ambulance appears to change as the ambulance passes us due to the…

Q: Figure below shows air molecular displacement in a closed tube. The tube is closed at the left end…

A: Here given a closed tube containing molecules. The right end is open where the left end is closed.We…

Q: (a) How much more intense is a sound that has a level 11.0 dB higher than the other? (b) If one…

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Q: Describe what happens to an incident wave pulse that is reflected off of a fixed end and off of a…

A: Fixed End Reflection Let us consider the situation where a string is fixed to a rigid wall at its…

Q: How much does a sound level increase by if we add three more of the same source? a. 1 dB b. 2 dB…

A: Here three more source is placed at the position.we have to find the change in sound level in dB.

Q: ption w

A: Given: level of intensity can be 70 dB and 40 dB

Q: 9. Wave A has a wavelength of 4.0 cm and an amplitude of 1.5 cm. Wave B has a wavelength of 2.0 cm…

A: Given:    Wavelength of first wave, λ1 = 4.0 cm amplitude of first wave, A1 = 1.5 cm Wavelength of…

Q: Ignore the effects of end-correction and cross-modes. The length of the organ pipe is closest to: A.…

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Q: Below is a representation of a vocal tract with a standing sound wave at 1150 Hz. The speed of sound…

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Q: A tuning fork produces a sound with a frequency of 256 Hz and a wavelength in air of 1.35 m. a.…

A: Given:frequency of sound, f= 256 Hzwavelength in air, λ = 1.35 m

Q: Two sounds differ in sound level by 9.4 dB. What is the ratio of the greater intensity to the…

A: Ans:- Image-1

Q: Explain the conditions necessary for the formation of stationary waves in air. Describe how the…

A: The stationary wave is defined as the kind of wave produced in the air. The interference of two…

Q: calculate the reverberation of a large room (that you can access and use) using the formula. Try to…

A: Reverberation of time is the time taken by sound to reduce by 60dB. So for room when sound falls on…

Q: K 2. Resonances in a Tube A student is given a tube of unknown length and cannot tell whether the…

A: Given: A student is given a tube of unknown length and cannot tell whether the ends of the tube…

Q: 5. An aluminum rod 1.60 m long is held at its center. It is stroked with a rosin-coated cloth to set…

A: Length of aluminum rod = 1.60 m  Speed of sound in aluminum = 5100 m/ s

Q: 4. A bat is flying at 2.550% of the speed of sound toward another bat that is hanging in a cave. The…

A: Given, Speed of bat,vo=2.550%v=0.0255v Emitted frequency, f=3.990 kHz=3990 Hz

Q: Question 1 (a) The threshold of hearing is quoted as 1.0 x 10 1²W m ². Explain what is meant by the…

A: The threshold of hearing is the minimum sound level below which the human ear cannot hear any sound.…

Q: A plane is landing and reported having a decibel reading of 67 dB. 1. What is the intensity of the…

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Q: The velocity of a wave is defined as "the product of the wavelength and frequency". If the velocity…

A: Wavelength times frequency equals the definition of a wave's velocity.Velocity may be expressed…