Consider a sound wave in air that has displacement amplitude 0.0200 mm. Calculate the pressure amplitude for frequencies of 150 Hz. In each case compare the result to the rain threshold, which is 30 Pa
Q: he intensity level produced by a jet airplane at a certain location is 170 dB. (a) Calculate the…
A: Solution: a) We know that, Intensity level I (dB)=10 log II0 Where, I0=10-12 W/m2 I(dB)=170 dB…
Q: A loudspeaker is placed near the open end of a pipe length 417 mm closed at its other end. The…
A: Length of pipe (L) = 417 mm = 0.417 m Lowest resonant frequency = 228 Hz
Q: How far must one stand from a 4 mW point sound source if the intensity at that location is at the…
A: Given, Power = 4mW
Q: You are standing 4 m away from a speaker and experience a sound level that is 90 dB. What is the…
A: distance (d) = 4 m sound level = 90 dB
Q: The frequency of G, on the piano is 196.0 Hz. (a) What is the wavelength (in m) of sound with this…
A: Given data as per question frequency =196Hz
Q: What should be the power output of a speaker in order to produce a sound wave that has pressure…
A: p=190 mPa=190×10-3 Par=6.75 mρ=1.22 kg/m3
Q: It is found that the intensity level of sound from a loudspeaker is 35 dB at a distance of 35 m from…
A: Approach to solving the question:Sound intensity and power relationshipDetailed explanation:
Q: What is the speed of sound in benzene, which has a bulk modulus of 1.05 x 10^9 Pa and a density of…
A: Given data: Bulk modulus (β) = 1.05×109 Pa Density (ρ) = 8.76×102 kg/m3 Required: The speed of…
Q: Calculate the frequency of the first overtone of a 2 m pipe closed at one end. Take the speed of…
A: Given: The speed of the sound is 340 m/s. The length of the one-end closed pipe is 2 m.
Q: Calculate the time taken by a sound wave of frequency 800 Hz and wavelength 44 cm to travel a…
A:
Q: at a distance of 4 m from a fan exerting 50W of mechanical energy, estimate the sound level if the…
A: distance (d) = 4 m Power of fan (P) = 50 W Io = 10-12 Wm2
Q: A Sound wave in an unlenown fluid medium takes Il ms to travel 24.2m. What is the bulk modulus A Of…
A: Given Distance covered by the sound wave is d=24.2 m Time taken to cover the distance is t=11…
Q: Calculate the frequency (in Hz) of the fundamental note emitted by an open pipe of length 1.4 m. The…
A:
Q: 10 m from a speaker sound intensity level 60 dB. (a) What is the power of the speaker? (b) What is…
A:
Q: onvert the following sound pressure levels to sound pressure: Lp = 80 dB Lp = 15 dB
A: Given data, Lp=80 dBLp=15 dB
Q: You are asked to specify the sound attenuation requirements for a separating wall (AKA party wall)…
A: The sound attenuation requirements for a separating wall will be: 1) Apply sound-absorbing materials…
Q: With the installation of noise suppression materials, the noise level in an auditorium was reduced…
A:
Q: Loudspeakers can produce intense sounds with surprisingly small energy input in spite of their low…
A: Sound intensity level = β = 85.1 dB Diameter of the speaker = d = 15.5 cm = 15.5 cm×1 m100 cm=0.155…
Q: The sound intensity level of 9 m from a large power saw is 89 dB. At what distance(in meters) will…
A: (given) Sound intensity level at distance (r1)= 9 m Power saw β1 = 89 dB More tolerable intensity…
Q: There are Doppler effect blood flow meters that are based on the reflection of sound from red blood…
A:
Q: If the sound intensity level of a plane engine is 140 dB above the threshold of hearing. The sound…
A:
Q: The sound intensity level 3.6-m from a power saw is 101 dB. At what distance will the sound be a…
A:
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- A washing machine has a sound intensity of 20 W/m?, determine its RMS sound pressure in Pa? a) b) The sound pressure of the noise emitted from a centrifugal compressor is 300 Pa, what is the resulting sound pressure level (dB)A speaker is producing spherically symmetric sounds with a total power of 88.5 W. If the speaker is located at the centre of a sphere with a radius of 2.20 m, what is the power received on a 1.70 m by 1.50 m area on the sphere? Give your answer in Watts to 2 decimal places.q/ A single-atom crystalline chain with an Space between 3x10 ^ -10m. If the velocity of sound is equal to 300 m / sec, calculate the cutoff frequency wm
- . A bat sends of a sound wave 100 kHz and the sound waves travel through air at a speed of v=343m/s.�=343m/s. (a) If the maximum pressure difference is 1.30 Pa, what is a wave function that would model the sound wave, assuming the wave is sinusoidal? (Assume the phase shift is zero.) (b) What are the period and wavelength of the sound wave?A speaker-driver supplies W watts of power to waves traveling on an elastic sheet. As these waves travel outward in circular ripples, the intensity of the wave at a radius of 10 cm. is 5 W/cm. The power emitted by the source isSound waves can be modeled as a spherical plane wave. For radial distances of 0.75 m, 2.5 m, and 5.5m, for a horn of 200 W, determine the inensities at each of these locations.
- A rock band creates a sound intensity level of 111 dB at a distance of 20.0 m. (a) Calculate the sound intensity. W/m2 (b) Assuming sound from the amplifiers travels as a spherical wave, what average power do the amplifiers generate?Determine the velocity of sound in mercury, which has a bulk modulus of 2.8 × 10^10 and a density of 1.36 × 10^4 kg/m³.Loudspeakers can produce intense sounds with surprisingly small energy input in spite of their low efficiencies. Calculate the power input needed to produce a 90.0-dB sound intensity level for a 12.0-cmdiameter speaker that has an efficiency of 1.00%. (This value is the sound intensity level right at the speaker.)