A sound wave in air at 20°C has a frequency of 320 Hz anda displacement amplitude of 5.00 * 10-3 mm. For this sound wavecalculate the (a) pressure amplitude (in Pa); (b) intensity (in W/m2);(c) sound intensity level (in decibels).
Q: A sound wave has a frequency of 4200 Hz. The speed of sound for this problem is 344 m/s. (a) What is…
A:
Q: For a 171Hz plane traveling wave in air with a sound pressure level of 40 dB re 20 pPa, find (a)the…
A: For a 171Hz plane traveling wave in air with a sound pressure level of 40 dB re 20 pPa
Q: The human ear can detect a minimum intensity of Io = 10-12 W/m2, which has a sound intensity of 0…
A:
Q: By what factor k must the sound intensity be increased to increase the sound intensity level by 12.9…
A: Given Data, The increment in sound intensity level (∆β)=12.9 dB
Q: A plane harmonic sound wave of amplitude 15 mPa propagates in air (ρ= 1.2 kg/m3) at 21 °C, with a…
A: The pressure amplitude of the wave given as, Δp=15 mPa (or) Δp=15×10-3 Pa. The density of the air is…
Q: A person wears a hearing aid that uniformly increases the intensity level of all audible frequencies…
A: Increase in dB level, B2 - B1 = 30.0 dB The intensity picked up by the hearing aid, I1 = 3.9×10-10…
Q: A 72.0 dB sound wave strikes an eardrum whose area is 4.60*10^-5 m^2 . (i) What sound intensity (in…
A: (i) Write the formula for the sound intensity in dB.
Q: in 20°C air has a pressure amplitude of 0.800 Pa. What is the intensity of the wave? (Assume the…
A: Given:- The temperature T = 20oC = 20+273 = 293 K The pressure amplitude is P = 0.800 Pa The…
Q: Humans can detect frequencies as high as 20 000 Hz. Assuming the speed of sound in air is 344 m·s−1,…
A: Given: The upper range of hearing: f=20,000 [Hz]=20,000 [s-1] Speed of sound: v=344 [m/s]…
Q: Approximately a third of people with normal hearing have ears that continuously emit a low-intensity…
A:
Q: The small speaker has P = 50W power, emitting sound in all directions. At a distance away = 4.0m…
A: Given: Power: P=50 [W] Distance: r=4 [m] Air density: ρ=1.21 [kg/m3] Velocity of sound: v=343 [m/s]
Q: A sound wave propagating in air has a frequency of 3.70 kHz. Calculate the change in wavelength when…
A: Given data The frequency of the sound wave is f = 3.70 kHz = 3700 Hz The temperature of the initial…
Q: A jet engine emits sound uniformly in all directions, radiating an acoustic power of 3.13×105 W.…
A: Given data Radiation of acoustic power is P=3.13×105 W Distance between the source and the engine…
Q: The decibel level of a sound is defined to be $100 (7) B= 10 log where I is the intensity of the…
A: A train horn with a decibel rating ofwith a radius of.We need to find the intensity of the train…
Q: The mating call of a male cicada is among the loudest noises in the insect world, reaching decibel…
A:
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: A student hears a sound with a power of P = 25 μW. At their distance from the source, the sound has…
A: a)The required radius of the eardrum is,
Q: The sound from a trumpet radiates uniformly in alldirections in 20°C air. At a distance of 5.00 m…
A: Given: Distance=5 m Sound intensity level=52.0 dB Frequency=587 Hz Temperature=20°C
Q: A sound wave arriving at your ear is transferred to the fluid in the cochlea. If the intensity in…
A:
Q: A loud factory machine produces sound having a displacement amplitude in air of 1.00 μmμm, but the…
A: Given:displacement amplitude of air molecules, A= 1×10−6 mmax pressure amplitude, Po = 10.0 Pabulk…
Q: Shuri is working on a device that uses standing waves to mine Vibranium. If she uses a tube open at…
A: Frequency of 5 th harmonic (f5) = 1230 Hz Temperature (T) = 27oC Tube = open at only one end
Q: Problem 6. The low-frequency speaker of a stereo set has a surface area of 0.05 m² and produces 1 W…
A: Given: A=0.05 m2P=1 W
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 sound wave in air has a pressure amplitude of 4.00 Pa and a frequency of 5.00 kHz. Take P 0 at…
A: Given: Pressure amplitude for a sound wave is pmax=4 Pa when x=0. Frequency of the sound wave is…
Q: Approximatelya third of people with normal hearing have ears that continuously emit a low-intensity…
A: In the given observation, the sound wave has some frequency with a certain pressure amplitude. We…
Q: The sound intensity level inside a typical modern airliner inflight is 66.0 dB. The air in the cabin…
A: Sound intensity level = 66.0dBAir in the cabin (density)=0.920 kg/m3speed of sound = 344…
Q: The eardrum, which transmits sound vibrations to the sensory organs of the inner ear, lies at the…
A: Given: For adults, the ear canal length (L)= 2.6 cm =2.6 x 10-2m. The speed of sound in the air of…
Q: Calculate the sound intensity level in decibels for a sound wave traveling in air at 0 ºC and having…
A:
Q: A point charge q₁ = -30.0 μC is located at r₁ = (-2.00 m)i + (4.00 m)j + (6.00 m)k, and a point…
A: The potential, V, due to a point charge q is defined as, V=q4πεor…
Q: Two pure tone waves, both with a frequency of 1 kHz, are moving in opposite directions in air along…
A:
Q: A pipe that is open at both ends has a fundamental frequency of 311 Hz when the speed of sound in…
A: Given f=311Hz, c=346m/s
Q: A sound wave having a frequency of 345 Hz travels through air at 20 °C. The decibel level at a…
A: Given: Frequency of sound waves = 345 Hz Decibel level at distance 16.3 m = 86.5 dB Density of air =…
Q: Recent research has shown that the use of earbud-style headphones packaged with MP3 players can…
A: Intensity of sound without earbuds is I1=3.8×10-5 W/m2 Decibel level is given by- dB=10logI1I0where,…
Q: The intensity of a sound wave, as it strikes a circular ear drum, is 0.65 W/m2. The amount of energy…
A: Given; I = 0.65 W/m2E=6*10-6 Jt=1 sec
Q: Male Rana catesbeiana bullfrogs are known for their loud mating call.The call is emitted not by the…
A:
Q: Thank you! A 77.8-Hz sound wave is barely audible at a sound intensity level of 60.0 dB. The density…
A:
Q: A loud piece of machinery operating outdoors emits 500 W of sound power, radiated equally in all…
A:
Q: A sound wave arriving at your ear is transferred to the fluid in the cochlea. If the intensity in…
A: The ratio of the pressure amplitude of the wave in air to that in the fluid is 0.026
Q: Suppose that the sound level of a conversation is initially at an angry 74 dB and then drops to a…
A: Given data: The initial sound level is, I1 =74 dB The final sound level is, I2= 54 dB The frequency…
Q: A sound wave represented by A = 0.0613 sin (2.81x - 978t). The density of air is 1.20 kg/m3. What is…
A: Given data The equation of the sound wave is given as A = 0.0613 sin (2.81x - 978t). The density of…
Q: A noisy factory machine produces a sound intensity of 1.00 x 10-5 W/m2 when measured 10 m from the…
A:
A sound wave in air at 20°C has a frequency of 320 Hz and
a displacement amplitude of 5.00 * 10-3 mm. For this sound wave
calculate the (a) pressure amplitude (in Pa); (b) intensity (in W/m2);
(c) sound intensity level (in decibels).
Trending now
This is a popular solution!
Step by step
Solved in 4 steps
