A friend of yours is loudly singing a single note at 400 Hz while driving toward you at 25.0 m/s on a day when the speed of sound is 340 m/s.a. What frequency do you hear?b. What frequency does your friend hear if you suddenly start singing at 400 Hz?

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A: Since, you have asked multiple questions we will answer the first question for you, kindly post the…

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Q: A 400-Hz note is played with a 320-Hz note. a) What is the beat frequency when the two notes are…

A: f1=400 Hz f2=320 Hz

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A: It is given that,

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Q: The frequency of the highest note on the violin is 3,520 Hz. a. How many harmonics of that note can…

A: a) Harmonics notes that we can hearThe formula for nth harmonic is,

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A: From the question, the value of the fundamental frequency is: Thus, the frequency of the succeeding…

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A:

Q: A pipe open at both ends has a fundamental frequency of 300 Hz when the temperature is 0°C. (a) What…

A: The speed of the sound at 0°C,

Q: A stereo speaker produces a pure tone with a frequency of 250 Hz. (a) What is the period of the…

A: given, frequency of speaker = 250 hz Vsound in air = 340 m/s Vsound in water = 1500 m/s

Q: (a) What frequency is received by a person watching an oncoming ambulance moving at 110 km/h and…

A: Given: frequency, f = 800 Hz  velocity of source,vs = 110 km/h = 30.6 m/s  velocity of ound, v = 345…

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A: Given:-

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Q: A 250-Hz tuning fork is struck and the intensity at the source is I1 at a distance of one meter from…

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Q: A commuter train passes a passenger platform at a constant speed of 40.0 m/s. The train horn is…

A: a.Formula for frequency of a horn heard while the train is approaching is,

Q: Q4: What frequency is received by a person watching an oncoming ambulance moving at 110 km/h and…

A: speed of the source= vs= 110 km/h= 110×518…

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Q: An organ pipe has two successive harmonics with frequencies 1372 and 1764 Hz. (a) Is this an open or…

A: (a) Given data: The frequencies of two successive harmonics are 1372 Hz and 1764 Hz. (a) Let f0 be…

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Q: At rest, a car’s horn sounds at a frequency of 550Hz. When the horn is sounded, while the car is…

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A: a) The required frequency is,

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Q: The speed of sound in air is about 340 m/s. If you play concert A (440 Hz) on your instrument,  A)…

A: A) Wavelength is,

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A: Given data: Xini = 0.50 m Xfin = 0.90m v = 340m/s

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Q: Two trains are traveling toward each other at 30.5 m/s relative to the ground. One train is blowing…

A: In this question we have to find the frequencies for different conditions. Please give positive…

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