A sound wave traveling through dry air has a frequency of 16 Hz, a wavelength of 22 m, and a speed of 350 m/s. When the sound wave pass through a cloud of methane, its wavelength changes to 28 m, while its frequency remains the same. What is its new speed? (T

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

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Q: A sea monster chases a submarine near the bottom of the North Atlantic Ocean. The submarine is…

A: The speed of the sea monster is 7.11 m/s No, submarine is not in trouble as the speed of submarine…

Q: A bat at rest sends out ultrasonic sound waves at 60.0 kHz and receives them returned from an object…

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Q: If the speed of sound is 350 m/s and the wavelength is 35 cm, what is the frequency? Select one: O…

A: Speed of the sound wave, c = 350 m/s Wavelength of the wave, L = 35 cm = 0.35 m

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 bird is flying directly toward a stationary bird-watcher and emits a frequency of 1280 Hz. The…

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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: What is the intensity of a sound wave if the power output of the source is 1.58 W and the surface…

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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: Thanks! A sound wave with intensity 25.4 m W/m? interferes destructively with a sound wave that has…

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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: Problem 3: A sound wave of frequency 300 Hz has an intensity of 1.00 μW/m². What is the amplitude of…

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Q: 49.4-Hz sound wave is barely audible at a sound intensity level of 60.0 dB. The density of air at…

A: (given) Speed (v) of sound in air at 20.0°C = 343 m/s             Density (ρ) of air at 20.0°C =…

Q: A sound wave from a siren has an intensity of 118.7 W/m2 at a certain point, and a second sound wave…

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Q: A bat emits ultrasonic pulses and uses them to navigate and to locate flying insects. If these…

A: Rate of pulse emission: p=2 pulses per second Speed of sound in air: v=344 m/s

Q: A SONAR system fixed in a submarine operates at a frequency 40.0 kHz. An enemy submarine moves…

A: Calculating the frequncy reflected by the enemey submarine:Note: This frequncy will not be recieved…

Q: A typical adult ear has a surface area of 2.1×10-3m2. The sound intensity during a normal…

A: Area, A = 2.1×10-3 m²Intensity, I = 3.2×10-6 W/m²Power, P = ?

Q: Nuclear explosions cause a blast wave, a high-pressure shock wave generated by the heat from the…

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Q: The speed of sound in sea water is 1540 m/s. Dolphins use sonar in the form of high frequency pulses…

A: The speed of sound in sea water   v =1540 m/s Length L = 8.91 cm So, the wavelength required is   λ…

Q: Bats use sound waves to catch insects. Bats can detect frequencies up to 116 kHz. If the sound waves…

A: a. Given data The frequency detected by the bats is given as f = 116 kHz. The speed of the sound…

Q: A sound wave propagating in air has a frequency of 5.0 kHz. What is the change in wavelength when…

A: The velocity of sound Vs in air is given by : Vs= 331Tk273m/s., where Tk is the temperature in…

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: A sound wave from a siren has an intensity of 89.1 W/m2 at a certain point, and a second sound wave…

A: Given:Intensity,I=89.1 W/m2Intensity level= 10 dB Find he intensity level of the sound wave due to…

Q: A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1370 Hz. The…

A: Data Given ,  Frequency emits by bird ( fs ) = 1370 Hz Frequency hears by bird watcher ( f0 ) = 1430…

Q: An ambulance siren emits a sound wave with a frequency of 350 Hz. If the ambulance is at rest and a…

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Q: Move away from a sound source, from distance r, to r₂ = 2₁. (A) By what factor does the intensity…

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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: Sonar emits ultrasound at a frequency of 30 kHz, which propagates rapidly in water at a speed of…

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Q: Dolphins rely on echolocation to be able to survive in the ocean. In a 20∘C20∘C ocean, a dolphin…

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Q: Air temperature in the Sahara Desert can reach 56.0°C (about 134°F).   What is the speed of sound,…

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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: A car moving with a speed of 27 m/s sounds its siren with a frequency of 1208 Hz. A motorcyclist…

A: The wall acts like a mirror and the reflected sound is equivalent to another car moving left with…

Q: The following sound waves have what velocity? (a)f-314 Hz, 2= 168 m m/s (b)f-314.0 Hz, 2 = 7.70 m…

A: We know, Velocity is the product of frequency and wavelength

Q: A particular sound wave can be modeled by the equation y=-3x sin 4x. Determine the amplitude and…

A: The equation of the sound wave is given by:y=−3xsin(4x)In this equation, sin(4x) represents a…