00200Calculate the sound pressure level for a sound wave having an effectiveof 3.5N/m?. Use reference pressures of (a) 10, (b) 1, (c) 10“, and (d) 2x10*microbars. (The standard sound pressure reference is 2x10 N/m² or 0.0002ubar) ((a) 10.8 dB, (b) 30.8 dB,(c)110.8 dB, (d)104.8 dB)1pressure(d)

The sound pressure level is measured in units of decibels (dB) and is calculated using the following…

Answered: Calculate the sound pressure level for…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Find the range of wavelengths emitted by the bat in meters, by using that the speed of sound is c=343m/sec and the range of frequencies from 70 to 30KHz. The solution matches the range of sizes for an insect. What is the order of magnitude for this range? Take this order and call it L for the average size of an insect. b) If the bat produces a power of P = 10^-5 watts and its hearing threshold is 10^-12 watts/m^2 what is the maximum distance from which the bat can detect an echo?
With a sound level meter, you measure the sound pressure level to 95 dB. A sound source is a work machine that is on a hard surface, i.e. it can be thought of as sending sound to the surface of a hemisphere. The device is 20 m away from you. Calculate the power of the sound produced by the device in watts to one decimal place. Also Calculate the sound pressure level to the nearest decibel if your distance from the device doubles.
Calculate the frequency of a sound wave in helium if its displacement amplitude is 3.6 x 10-10 m and the pressure amplitude is 7.2 x 10-5 N/m². The density of helium is 0.166 kg/m³ and the speed of sound in helium is 2660 m/s. Answer in units of Hz.
The speed of sound in a solid medium is given by ?=?/?‾‾‾‾√v=E/ρ where ?E is the value of Young's modulus for the solid and ?ρ is the density. A sound wave travels at 5.8×1035.8×103 m/s in a steel rod of length 1.11 m, diameter 2.0 cm and mass 7.0 kg. Use the data to determine the value of the Young's modulus for steel. Give your answer in giga-pascal (GPa, 109 Nm-2).
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.
If a sound intensity level of 0 dB at 1000 Hz corresponds to a maximum gauge pressure (sound amplitude) of 10−9 atm, what is the maximum gauge pressure in a 69 dB sound? (Enter your answer in atm.) What is the maximum gauge pressure in a 159 dB sound? (Enter your answer in atm.)
Find the wavelength in air of an 22-Hz sound wave at 486 m/s, which is one of the lowest frequencies that are detectable by the human ear. No need to include the unit. Write your answer in whole numbers.
Help me professor!
Find the pressure amplitude (in Pa) of a 1.40 kHz sound wave in air, given that the displacement amplitude is 2.30 x 10-8 m. [Note: The equilibrium density of air is p pressure, 1.013 × 105 Pa.] 8.32 Use the relationship between s max and ΔΡ 1.20 kg/m³ and the speed of sound in air is v = 343 m/s. Pressure variations AP are measured relative to atmospheric max' You will need to convert frequency to angular frequency. Don't forget to convert units as needed. Pa

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