Ex 54 : Wavelength of two sound waves in air 80 80 m und 175 m. Between these waves 8 173 are beats per second are produced. Calculate the velocity of sound in air.
Q: The intensity (I) of a source of sound is 10 °Wm . I, = 10 -12 Wm . What is the sound level of 10…
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Q: 4. (Ch. 14 conditions with pressure 101 kN/m² and density 1.20 kg/m³. Exercise 27 in Wolfson) Find…
A: Pressure = 101 kNm2density of air (ρ) = 1.20 kgm3
Q: A sound wave in the air has a frequency of 405 Hz. What is the wave length? Calculate for a sound…
A: Speed = frequency × wavelength Case 1 :- frequency = 405 Hz. Speed of sound in air at room…
Q: Physics A sound wave in air has frequency f=202 Hz and travel with velocity v=[331+0.6T°C] m/s . How…
A: Given data: Frequency (f) = 202 Hz Wave velocity as function of temperature v=[331+0.6T°C] m/s…
Q: 22.0 m The driver boat whistle ling Shovid near The sound OT The bove the lead surtace directly with…
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Q: A source of sound has a total emitted power of 300 W. Determine the intensity a distance of 10 m…
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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: 4. Undisturbed, the air has a pressure of 100 kPa (kiloPascals), otherwise known as atmospheric…
A: Note: As per the company policy, only first 3 sub-questions can be solved in one session, please…
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: If the frequency of a sound source is doubled, what happens to the wavelength? Assume the speed of…
A: Given data: A sound source New frequency (f') = 2f Speed of the sound source is constant.…
Q: What are the longest and shortest wavelengths of sound that can be heard by a bat in air where the…
A: Bats use echolocation to navigate and hunt, emitting ultrasonic sounds and then analyzing the echoes…
Q: A speaker emits a sound with power 0.2 mW. At what distance is the intensity level of the sound 12.0…
A: Dear student, as you have asked multiple questions, we will provide the solution to the first…
Q: What is the lowest (linear) frequency possible of a resonant sound wave in a half open tube of…
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Q: The wave functions of two waves traveling in the same direction are given by y1(x,t) = 0.03sin(4x +…
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Q: Two progressive waves 2л Vı(x, t) = A sin(4x – ot) and y2(x, t) = A sin( 4x – ot – X – wt - - 2…
A: Given, Wave equations, y1x,t=Asin2πλx-ωt y2x,t=Asin2πλx-ωt-π2 Amplitude, A=5 cm=0.05 m. Wavelength…
Q: A wave is given by y=asin(kx-wt) where w=18rad/s and wavelength=2πm. Determine the speed of a…
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Q: A stereo speaker produces a pure "F" tone, with a frequency of 349 Hz. What is the period T of the…
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Q: Given: The intensity level of a sound wave is 75 dB relative to 1µPa. Required: Determine the…
A: Intensity level of sound relative to 1 μPa (I1)=75 dB We need to find the intensity level relative…
Q: Ex. 60 Two sources of sound produce waves differing in wavelength by 12 cm. If the frequencies of…
A: To find-Velocity of sound=?Given-n1=320 Hzn2=360 Hzλ1~λ2=12
Q: n airplane traveling at 130 m/s emits a sound of frequency 9.25 kHz. What frequency does a…
A: Doppler effect in physics is defined as the increase (or decrease) in the frequency of sound, light,…
Q: If the speed of sound through hydrogen is 1280m/s, what will be the speed of sound through a mixture…
A: The formula for the speed of sound in a medium is: Using the conservation of mass, the density of…
Q: The intensity of the sound from a certain leaf blower is measured at 25 × 10−2 W/m2. Find the…
A: The intensity of the sound is I = 25×10-2 W/m2
Q: By what factor must the amplitude of a sound wave be decreased in order to decrease the intensity by…
A: Intensity of the sound wave is directly proportional to the square of the amplitude of sound wave
Q: What is the intensity (W/m of a sound wave in air with a pressure amplitude of AP=32 N/m?? Density…
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Q: The distance between the first and the third nodes of a standing wave is 0.1 m, its maximum…
A: Given: The distance between first and third node is d=0.1 m. The maximum displacement of particle…
Q: The equation of a standing wave is y(x,t) = 0.8 cos(0.1rox) sin(200rt) where x and %3D y are in cm…
A: Given: The equation of standing wave is yx,t=0.8cos0.1πxsin200πt.
Q: •• (a) Compute the derivative of the speed of sound in air with respect to the absolute temperature,…
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Q: A sound wave propagates in air at 27°C with frequency 4.00 kHz. It passes through a r where the…
A: Given Initial temperature T1 = 27 o C = 27+273 = 300 K Final temperature T2 = 0 o C = 273 K
Q: A person perceives a sound that was produced 4 meters from them. How much less intense would the…
A: Intensity of a sound is inversely proportional to the square of the distance from the source.…
Q: Dolphins make sounds in air and water. What is the ratio of the wavelength of a sound in seawater to…
A: Given data: Speed of sound in sea water, vs=1548 m/s Speed of air at 0 OC, vo=331 m/s Speed of air…
Q: 103. In a discussion person A is talking 1.5 dB louder than person B, andperson C is talking 2.7 dB…
A: The intensity of sound can be expressed as β=10logII0 1
Q: A sonar system fixed in a submarine operates at a frequency 50.0 kHz .An enemy submarine moves…
A: In the given question the source is at rest and the observer is moving towards it. There will be a…
Q: What frequency of sound traveling in air at 40 °C has a wavelength of 0.50 m?
A: We have-Wavelength,λ= 0.50 mTemperature, T= 40°CWe know that-vsound in air= 331.4 + 0.6 Tcsubstitute…
Q: A sound wave propagates in the middle of its density (x), its emission is proportional to * 1 √x 1…
A: Have a look dear
Q: Part B Are the air molecules moving horizontally or vertically? The air molecules are moving…
A: Below figure shows displacement of standing sound wave in a 32cm long tube open at both end .From…
Q: The source of a sound wave has a power of 2.10 uW. Assume it is a point source. (a) What is the…
A: Answer:- Given Power of a sound wave(P) = 2.10 uw = 2.10 × 10-6 w (a) distance (r) = 3.10 m We…
Q: The human audible range is from 20 Hz to 20kHz sound of intensity 120 dB; beyond which is already…
A: We know that:- Let threshold of hearing of human ear is I0 Given the intensity level β=120 dB The…
Q: The third possible standing wave in the closed tube in air has a frequency of 1500 Hz. What is the…
A: Frequency of third possible standing wave in a closed tube (f)=1500 Hz Therefore; n=3 Speed of sound…
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