What is the loudness level of a sound wave delivering 40 watts of power that has traveled 8 meters? (b) What is the intensity of the sound wave after traveling 20 meters?
Q: The low-frequency speaker of a stereo set has a surface area of 0.06 m2 and produces 1 W of…
A: Given : Surface area, A1 = 0.06 m 2 Power, P = 1 W Intensity, I = 0.24 Wm2
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A: We have to use some basic formula here
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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
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Q: An outside loudspeaker emits sound waves with a power output of 100 W. Calculate the intensity level…
A:
Q: A sound source emits sounds of frequency 180 Hz that travel through still air at 340 m/s. The source…
A: Ans:- Image-1
Q: The sound source of a ship’s sonar system operates at afrequency of 18.0 kHz. The speed of sound in…
A: Part (a) Given: The frequency of sound source is f=18.0 kHz. The speed of sound in water is v=1482…
Q: The output power of a public speaker is 6 W. Assume that it transmits equally in all directions. a)…
A: Given:- The output power of a public speaker is 6 W Assume that it transmits equally in all…
Q: The intensity of a sound wave emitted by a radio is 5.00 µW/m2. What is the sound level (in dB)?
A:
Q: he amplitude of a sound wave is measured in terms of its maximum gauge pressure. By what factor does…
A: Given: The sound level is ∆β=36 dB. The expression for sound level is: ∆β=10 dBlog10A2A12 Here, A1…
Q: A grasshopper floating in water generates waves at a rate of 4.0 per second with a wavelength of 6.0…
A: Rate of generation of waves = 4 per second Therefore, frequency = 4 Hz Wavelength = 6 cm a) Period…
Q: 10 m from a speaker sound intensity level 60 dB. (a) What is the power of the speaker? (b) What is…
A:
Q: Sounds from the street below come through an open window measuring 0.75 m by 0.88 m.If the power of…
A: Power, P = 1.2 x 10-6 W Area, A = 0.75 m x 0.88 m
Q: With the installation of noise suppression materials, the noise level in an auditorium was reduced…
A:
Q: The area of a typical eardrum is about 5.0 × 10–5m2 . Calculate the sound power (the energy per…
A: It is given that,
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A:
Q: A 2-MHz ultrasound propagating in a tissue has a wavelength of 0.50 mm. (a) What is the speed of…
A: Solution-
Q: How far must one stand from a 2.2 mW point sound source if the intensity at that location is at the…
A: Given Data : The power of the point source is given as P = 2.2mW.
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: How far must one stand from a 3.8 mW point sound source if the intensity at that location is at the…
A: The threshold intensity for the human ear is 0 DB. that means intensitt is I = 1.0 x 10-12 w/m2 .
Q: How far should you stand away from a sound source that generates and 85-W power to cause damage to…
A: Given Power of sound source is P=85 W Maximum hearing intensity of Ear is I= 1 W/m2
Q: mplified through a sound system the amplified sound has a sound intensity level that is 12.2 dB…
A: We have givenA sound system the amplified sound has a sound intensity level that is 12.2 dB greater…
Q: The sound level 23.8 m from a loudspeaker is 66.7 dB. What is the rate at which sound energy is…
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Q: The intensity
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Q: A loud vacuum cleaner outputs 1.5 mW of sound energy. What is the intensity of the sound wave 2.0…
A:
Q: A small source emits sound waves with a power output of 95 W. Take I0 = 1 x 10-12 W/m2. Find the…
A: Given : Sound wave's power →P=95 W Initial intensity →I0=1×10-12 W/m2 Distance →r=700 cm=7 m Sound…
Q: A bell produces sound energy at a rate of 0.3 mW and radiates it uniformly in all directions. What…
A: Given: Power P=0.3 mW, Distance r=20 m. Required: Intensity level β of the wave. The sound energy is…
Q: A whale makes a sound in the water with a frequency of 300 Hz sound moves at a speed of 1400 n/s in…
A:
Q: A water wave has a frequency of 9.0 Hz and a wavelenght of 5.0m. (a) What is the period (in…
A: The relation between the frequency and the wavelength is given by where, T is the period and f is…
Q: what would its intensity level have to be to reduce the intensity by a factor of 2.40?
A: Explanation and final answer is in next step.
Q: The record for the world's loudest burp is 109.9 dB, measured at a distance of 2.5 m from the…
A: Sound intensity level is Distance is Note:Threshold intensity of sound is Find:Power emitted by the…
Q: A sound wave radiates from a speaker in all directions. If the power of the sound source is 200 W,…
A: Given data -power of the sound source ( P) = 200 Wdistance of the wave source from the speaker ( r )…
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