Two sound waves are traveling through a container of unknown gas. Wave A has a wavelength of 1.2 m. Wave B has a wavelength of 3.6 m. The velocity of wave B must be __________ the velocity of wave A. a. one-ninth b. one-third c. the same as d. three times larger than

Q: 8. Sounds with the same loudness and pitch may differ in a. amplitude С. quality b. frequency d.…

A: (8) D wavelength. Wavelength is distance between corresponding points of two consecutive waves.…

Q: A sound wave has a frequency of 4200 Hz. The speed of sound for this problem is 344 m/s. (a) What is…

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Q: What is the time period of a sound wave with velocity 250 m/s in air and a wavelength of 0.50 m?…

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Q: 2. A source of sound having a frequency of 300 Hz is moving at 25 m/s. If the speed of sound in air…

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Q: 6. A sound source moves through air toward a stationary observer. The frequency of the sound the…

A: The expression for the Doppler’s effect is, Here, v0 is the speed of the observer, vs is the speed…

Q: A car travelling south at 36 m/s sounds a 456 Hz horn. What frequency is heard by the driver if he…

A: speed of car = 36 m/s frequency of horn (f) = 456 Hz speed of another car = 25 m/s Speed of sound in…

Q: Two ultrasonic sound waves combine and form a beat frequency that is in the range of human hearing…

A: Given,

Q: Sound having frequencies above the range of human hearing (about 20,000 Hz) is called ultrasound.…

A: Given: The speed is v=1500 m/s. The wavelength is λ=1 mm. The expression for frequency (f) of sound…

Q: The speed of sound in steel is about 15 times greater than that in air. If the frequency of sound…

A: Given data The speed of sound in steel is vs=15va The speed of sound In the air is va=344 m/s The…

Q: Compared to the speed of a 400 Hz sound through water, the speed of a 200 Hz sound through water is…

A: The speed of sound varies greatly depending upon the medium it is traveling through.

Q: A motorcycle and a police car are moving toward one another. The police car emits sound with a…

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Q: 10

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Q: A sound has an intensity of 5 x 10^(-7) watt per sq. m. What is its intensity level? *

A:

Q: A wave is modeled with the wave function y(x, t) = 0.4m cos[ 145cm 'x- 6s 't + T/11] Calculate the…

A: The wave equation is represented as y(x,t)=Acoskx-ωt+ϕ Here A is amplitude, k is the wavenumber, ω…

Q: 6. What is the speed of sound in dry air? a) 331.2 m/s b) 300 m/s c) 250 m/s d) 230 m/s

A: Speed of sound in air V = (γRT/M)1/2

Q: The fundamental wavelength for standing sound waves in an empty pop bottle is 0.88 m. What is the…

A: Given:

Q: A car is traveling south at 36 m/s sounds a 456 Hz horn. What frequency is heard by the driver in an…

A: Given:- Speed of the car (Vs) = 36 m/s Speed of the driver (Vo) = 25 m/s Frequency (f)= 456 Hz Speed…

Q: What is the sound intensity in decibels if the wave is its intensity 5.10-4 w / m2 87 .a O 9 b O 200…

A: I= 5×10-4 W/m2 decibel level formula=> dB=10logI10-12

Q: Humpback whales are known to produce a collection of elaborate and repeating sounds with frequencies…

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Q: An elephant produces a 10 Hz sound wave. Assuming the speed of sound in air is 345 m/s, determine…

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Q: velocity of a sound wave

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Q: Two sounds differ in sound level by 9.4 dB. What is the ratio of the greater intensity to the…

A: Ans:- Image-1

Q: intensity of another sound

A:

Q: Sound becomes hazardous noise pollution at decibels?   A) above 120 db B) above 80 db C) above 50 db…

A: For humans, normal sound loudness is 60 to 70 decibels(dB). For any sound above 120 dB, it is…

Q: At an air show, a jet is approaching you at a speed of 140 m/s. You hear the jet engine a frequency…

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Q: What is it in a traveling wave that travels? A) Is it the material/atoms that support the wave B)…

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Q: A 190-Hz sound travels through pure neon. The wavelength of the sound is measured to be 2.29 m. What…

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Q: The intensity level of sound in a truck is 90 dB. What is the intensity of this sound? Express your…

A: Intensity level is given by,

Q: Comparing the speed of sound in liquids, gases, and solids, the speed of sound is usually lowest in…

A: To find:  Speed of sound in liquid, solid and gas.

Q: Sound travels at a speed of 333 m/s in the air, thus, in 1 s, a distance of 333 m is travelled by:…

A: Sound waves travels is in form of mechanical waves.

Q: 3. Doubling the intensity of sound: a. Doubles the sound level. b. Increases sound level by factor…

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Q: The speed of sound is approximately 340 m/s. A certain sound wave has a wavelength of 5.0 m. What is…

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Q: 35. The speed of a sound in a container of hydrogen at 201 K is 1220 m/s. What would be the speed of…

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Q: Air temperature in Kingsville can reach 40°c. what the speed of sound in air at this temperature? а.…

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Q: The speed of sound in air is 345 m/s. What is the frequency of a soundwave that has a wavelength of…

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Q: What is the intensity of a sound that has an intensity level of 95 dB? W/m? 60 ss

A: Given data:  Intensity level (β) = 95 dB Required: Intensity of sound in W/m2

Q: What are the factors that affect the speed of sound in air? Explain.

A: Speed of sound depends primarily on the density and viscosity of the medium through which it…

Q: Blue whales communicate with each other using a sound frequency of 18 Hz, which can be heard nearly…

A: Given that Frequency f = 18 Hz Distance d = 1000 km Speed of sound wave V = 1530 m/s

Q: Sound travels at 1540 m/s in body tissue. If an ultrasound device sends out a frequency of 10 MHz…

A: The velocity of the sound, v = 1540 m/s The frequency of the sound, f = 10 MHz = 107 Hz = 107/s

Q: A particular whistle produces sound by setting up the fundamental standing wave in an air column…

A: Given: The length of the air column is 7.10 cm. The speed of the car moving away is 25 m/s.

Q: Question No. 16 A sound wave source produces 30 crests and 30 troughs in 0.3 second. Find the…

A: Given: Crest completed = 30 Troughs completed = 30 time taken = 0.3seconds To find: frequency of the…

Q: 9) It is a hot summer day. The temperature is 35 °∁ . A car is traveling at 18.846 km/hour honking…

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Q: What are the three audible frequency ranges? Select the correct response: a.Subsonic, sonic, and…

A: Humans can detect sounds in a frequency range from about 20 Hz to 20 kHz. Waves in this range are…

Q: 520-Hz sound travels through pure neon. The wavelength

A: speed = frequency * wavelength

Q: (5) Pipe A is 0.50 m long and open at both ends. Pipe B is open at one end and closed at the other…

A: fundamental frequency is the least mode of vibration