A single table saw produces a sound level of 95 dB at a distance of 3.0 m. What would the sound level be for two table saws, both 3.0 m away?
Q: An isotropically radiating point source of sound has a power output of 903 W. What is the sound…
A:
Q: A sound of intensity I = 10-6 W/m2 falls on a detector of area A = 7 x 10-5 m2. (This is about the…
A:
Q: An observer records a sound intensity of 18 W/m2 at 100 cm from a speaker. At what distance does he…
A:
Q: At a distance of 5 m next to the road, the sound level produced by traffic is measured to be 85 dB.…
A:
Q: A source of sound has a total emitted power of 300 W. Determine the intensity a distance of 10 m…
A:
Q: e 30 m away is 100 dB. What is the sound intensity in W/m^
A: Given:- The distance d = 30 m The level of sound of jet airplane L = 100 dB Find:- The Sound…
Q: A cubical box of widths Lx = Ly = L, = L= 5.0 nm contains eight electrons. What is the energy of the…
A: Given, Lx=Ly=Lz=L=5.0 nm
Q: The intensity at a certain location is 1.021 W/m2. What is the sound intensity level at this…
A: Intensity of sound at a certain location (I) = 1.021 Wm2
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: A brand of earplugs reduces the sound intensity level by 27 dB. By what factor do these earplugs…
A:
Q: The African cicada is the world’s loudest insect, producing a sound intensity level of 107 dB at a…
A:
Q: A cicada's mating call reaches 105 dB at a distance of 1.00 m from the insect. Calculate the decibel…
A: Here, for the intensity calculation we use the formula, I (dB) = 10 log[I/Io] Corresponding sound…
Q: But suppose the distance increases by the factor 4.3. (A) Now what is the change in sound intensity?…
A: Given, the distance increases by a factor 4.3, let the initial distance be r1 and the new distance…
Q: The intensity of a sound level of 100 db is equal to knowing that the threshold of hearing is 10-12…
A: Given : Sound level, β = 100 dB Threshold of hearing, Io = 1×10-12 W m-2 Determine the…
Q: Move away from a sound source, from distance r, to r₂ = 2₁. (A) By what factor does the intensity…
A: Intensity is inversely proportional to the square of the distance from the source. β = 10 logI/I0 β…
Q: Calculate the density and mass of the nuclide 56Fe in SI units.
A: Given: The density and mass of the nuclide 56Fe in SI units is calculated as below,
Q: When a person wears a hearing aid, the sound intensity level increases by 24.4 dB. By what factor…
A:
Q: What is the sound pressure level at a distance of 21 m from the source
A: Sound pressure level at a distance of 21 from source in dB with integer precision is 75 dB .…
Q: Ox Op zñ Sen sitivity, Fincd the uacertainty Ta location by using the Sensitivity af velocíty of…
A: Given, Velocity of electron, V=0.12c Sensitivity or accuracy, S =1%=1/100=0.01 where, c= speed of…
Q: In a corner of Downtown Houston, the sound intensity level is 120 dB. What is the intensity of the…
A:
Q: At close proximity, rustling leaves have a sound intensity of about 1.2×10-11 W per m2. At what…
A: Given: I1 = 1.2 x 10-11 W/m2 I2 = 1 x 10-12 W/m2 r1 = 1 m
Q: If the sound level of one barking dog is 70 dB, estimate the sound level of 76 dogs barking…
A: Given: Sound level of one dog is 70 dB
Q: Two sirens produce sound of intensities 5 x 10-9 W/m2 and 9 x 10-6 W/m2 respectively. By how many…
A: Given data: Intensity of sound by first siren is, I1=5×10-9 W/m2. Intensity of sound by second siren…
Q: The intensity sound level in air is 61 dB. Calculate Pmax if the temperature is 20°C , the density…
A:
Q: By how many decibels does the intensity level of a sound increase when you increase the the…
A: increase in intensity of sound = 2.97 times I' = 2.97 I
Q: 7. At what temperature the concentration of intrinsic electrons in silicon equals 2x10" cm? 8. Find…
A: Note: Since we solve up to one question, the solution of the first question is provided. Please…
Q: The resistivity of copper at room temperature is 1.7x10-8 Qm. A copper wire of 100 m long and 2 mm…
A: Given: Resistivity of copper, ρ=1.7×10-8 Ωm Length of wire, L=100 m Diameter of wire, d=2 mm=2×10-3…
Q: at what distance from the factory (in km) is the intensity level of the whistle sound equal to 12…
A: Given, Factory whistle can be heard up to a distance, D=1.1Km=1100m Threshold of human hearing,…
Q: Determine the ionization energy of the He^ + ion. Also calculate the minimum frequency a photon must…
A: The energy of a hydrogen-like atom is given by the equation, En=Z2(−13.6n2) eV Here n is the state…
Q: The sound intensity 9 m from an isotropically radiating point source is 0.78 W/m². What is the power…
A: Since the point is 9 m from the point source, so, the area of sphere covered is A =πr2 ⇒4×π×92 =…
Q: Unless otherwise indicated, for this problem , assume that the speed of sound through human tissues…
A:
Q: The intensity of sound a distance r = 0.2m from the source is 5.2WIM².What is the intensity level…
A: SOLUTION AS
Q: Diagnostic ultrasound of frequency 3.74 MHz is used to examine tumors in soft tissue. (a) What is…
A: (a) Write the expression for the relation between the wavelength, speed and frequency, and solve for…
Q: A certain noise produces 6.2x10^-4 w/m^2 of power. What is the decibel level of this noise? Given…
A: Given value--- I = 6.2 × 10-4 W/m2 . I0 = 10-12 W/m2 . We have to find--- sound level ?
Q: he intensity sound level in air is 65 dB. Calculate Pmax if the temperature is 20 C, the density of…
A:
Q: The higher frequency limit for human hearing is 22.8 kHz. If the air temperature is 33.3 °C, the…
A:
A single table saw produces a sound level of 95 dB at a distance of 3.0 m. What would
the sound level be for two table saws, both 3.0 m away?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 3 images
