H.W: What is value of the frequency that can be received by a person before he/she was hit by a car traveling with speed of 25 m/s and producing a horn with frequency of 3500 Hz? Assume that the speed of sound is 331 m/s. (key-answer, 3.79 x 103).
Q: The speed of sound in air is 331 m/s at atmospheric pressure and 0 Celsius. Suppose you put a…
A: we know that
Q: a. What frequency (in Hz) is received by a person watching an oncoming ambulance moving at 118 km/h…
A: *The ambulance moving at a speed is vs = 118 km/h = 32.78 m/s *The emitting frequency is f0 = 600 Hz…
Q: The speed of sound in air is 331 m/s at atmospheric pressure and 0 Celsius. Suppose you put a…
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Q: I blow into the lid of an empty bottle to make music. The bottle is 0.27 m deep and sound velocity…
A: Given, Length of bottle l = 0.27 m Velocity of sound v = 331 m/s We know the expression frequency…
Q: A car is travelling away from you at 21 mph. A car horn produces a sound with a frequency of 539 Hz.…
A: Since you have asked multiple questions, we will solve first question for you. If you want any…
Q: Two trains on separate tracks move toward each other. Train 1 has a speed of 130 km/h; train 2, a…
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Q: The power output of a trombone is 0.30 W. At what distance is the sound intensity of the trombone…
A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…
Q: 1. (a) What frequency is received by a person watching an oncoming ambulance moving at 120 m…
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Q: Suppose an oncoming ambulance moving at 135 km/h emits a steady 825-Hz sound from its siren. A.…
A: Here, vs=135km/h×1000m1km×1h3600s=37.5m/s
Q: Banditos are chasing a mariachi. The mariachi is in a car driving at 24 m/s while playing a note…
A: Given: Banditos is chasing mariachi. So Bandits is the observer and mariachi is the source. Speed of…
Q: A siren emitting a frequency of 446 Hz is moving away from a person with a velocity of 105 km/h.…
A: Given Data : The frequency of the siren is given as fs = 446 Hz. The velocity of the siren with…
Q: Suppose you want to demonstrate the Doppler effect for deep-water waves, using a 6.43 Hz source…
A: Doppler's Effect: It is a phenomenon in which the frequency observed by the observer changes due to…
Q: Q14. A missile with a top speed of 3450 km/h is launched in the air. If the temperature of the air…
A: Speed of missile in air is 3450 km/h Temperature of air is 32oC = (32 + 273) K = 305 K Speed of…
Q: 6. An organ pipe with one open end and one closed end has a harmonic resonance frequency at 2988.0…
A:
Q: A car traveling north at 21 m>s sounds its 480-Hz horn. A bicyclist travels south on thesame road…
A: The bicyclist is moving towards the car. It is given that, vs=343 m/sfo=480 Hzvc=21 m/svb=6.7 m/s
Q: You are driving and pull over on the shoulder of the highway, allowing a fire truck to pass. The…
A: Given data: Speed of source (vs) = 29 m/s Source frequency (f) = 688 Hz Speed of sound (v) = 330 m/s…
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 is traveling in seawater, where the adiabatic bulk modulus and density are 2.31 x 10°…
A: Given data: Bulk modulus, K=2.31×109 Pa Density, ρ=1025 kg/m3 Wavelength of the sound, λ=3.22 m…
Q: A siren emitting a frequency of 400 Hz is moving towards a person with a velocity of 74.0 km/h. What…
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Q: The fundamental frequency of an organ pipe, open at both ends, is 256.3 Hz. What should the length…
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Q: A physics professor demonstrates the Doppler effect by tying a 600 Hz sound generator to a…
A: We have to determine the highest and the lowest frequency heard by a student in the class.
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: An a given situation a source emits sound with a frequency of 1100 Hz If the source is moving at 40…
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Q: Young's modulus for steel is 20*10^10 N/m^2 and the density is 7.8*10^3 kg/m^3. The bulk modulus for…
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Q: You are in Switzerland and decide to try yodeling. You are facing a cliff some distance away. If the…
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Q: The velocity of sound in air is approximately 330 m/s. a) Given that, what is the frequency of a…
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Q: Wei is standing on a platform when an approaching XPT train sounds its horn. The frequency of the…
A: Introduction: It is given that the original frequency of the train is 500 Hz and the velocity of…
Q: The speed of sound in air is 331 m/s at atmospheric pressure and 0 Celsius. Suppose you put a…
A: Given Speed of sound in air (V0) = 331 m/s at 0° C We know speed…
Q: An organ pipe is open at both ends. It is producing sound at its n= 3 harmonic, the frequency of…
A: Given that:Order of harmonic, n=3frequency, f3=363 HzSpeed of sound, =345 m/s
Q: As part of a college physics lab. A car that is giving off a sound with a frequency of 350 Hz, is…
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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: Suppose an oncoming ambulance moving at 115 km/h emits a steady 805-Hz sound from its siren. a.…
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Q: A 38.0-Hz sound wave is barely audible at a sound intensity level of 60.0 dB. The density of air at…
A: The frequency of the sound wave is f=38.0 Hz The sound intensity level is L=60 dB The density of air…
Q: A convertible moves toward you and then passes you; all the while, its loudspeakers are producing a…
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Q: Thank you! A 77.8-Hz sound wave is barely audible at a sound intensity level of 60.0 dB. The density…
A:
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- A student blows across the top of an empty bottle causing it to resonate at its fundamental frequency. The bottle has a height of h. The speed of sound is 340 m/s. What is the fundamental frequency? h=0.45m 1. What is the bottle’s third harmonic (i.e., second overtone)?Please asapA sound wave represented by A = 0.0613 sin (2.81x - 978t). The density of air is 1.20 kg/m3. What is the maximum displacement of the air molecules? (b) What is the temperature of the air?
- An ultrasound unit is being used to measure a patient’s heartbeat by combining the emitted 2.0 MHz signal with the sound waves reflected from the moving tissue of one point on the heart. The beat frequency between the two signals has a maximum value of 520 Hz. What is the maximum speed of the heart tissue?You are driving along a highway at 35.0 m/s when you hear the siren of a police car approaching you from behind and you perceive the frequency as 1370 Hz. You are relieved that he is in pursuit of a different speeder when he continues past you, but now you perceive the frequency as 1330 Hz. What is the speed of the police car? The speed of sound in air is 343 m/s.A stationary listener hears frequency f1 from a source moving directly toward the listener with a speed of 20.0 m/s. When the listener then moves directly toward the source with a speed of 30.0 m/s, the detected frequency f2 differs from f1 by 33.0 Hz. What is the frequency (in kHz) of the source? Take the speed of sound to be 340 m/s
- The sound level at a distance d=34 m from a loudspeaker is 70 dB. What is the power (in Watt) at which sound energy is being produced by the loudspeaker?. The threshold of hearing, lo = 1*10-12 W/m2, A. 0.5265 B. 0.3812 C. 0.1453 D. None E. 0.5812Two trumpets are being tuned using beats. One has a frequency of 440 Hz. When the second is played along with it, 15 beats are heard in 5.0 s. What are the possible frequencies of the second trumpet?Two trains on separate tracks move toward each other. Train 1 has a speed of 149 km/h; train 2, a speed of 95.0 km/h. Train 2 blows its horn, emitting a frequency of 500 Hz. What is the frequency heard by the engineer on train 1?
- A stereo speaker produces a pure "C" tone, with a frequency of 262 Hz. What is the period T of the sound wave produced by the speaker? S T What is the wavelength Awater of the same sound wave as it enters some water, where it has a speed of about 1480 m/s? Awater What is the wavelength Aair Oof this sound wave as it travels through air with a speed of about 341 m/s? m AairThe Shinkansen, the Japanese "bullet" train, runs at high speed from Tokyo to Nagoya. Riding on the Shinkansen, you notice that the frequency of a crossing signal changes markedly as you pass the crossing. As you approach the crossing, the frequency you hear is f; as you recede from the crossing the frequency you hear is 2f/3 What is the speed of the train?The speed of sound in air is 340 m/s, and the density of air is 1.20 kg/m³. If the displacement amplitude of a 510.0-Hz sound wave is Pa 14.0 μm, what is its pressure-variation amplitude? i