A source of sound is moving on a circular path with an angular speed of 4 rad/s as shown. The frequency of the source is 256 Hz. The maximum frequency heared by a stationary observer at A is (velocity of sound in air is 332 m/s)

Q: The third harmonic frequency of a standing wave is 62 Hz on a string of length 50 cm that is bound…

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Q: An organ pipe is open at both ends. It is producing sound at its second harmonic, the frequency of…

A: We have an open organ pipe which is producing a sound of frequency f=318.1 Hz at its second harmonic…

Q: The sound level (intensity / pressure level) produced by the device at a distance of one meter from…

A: Given that: f1=94 dB at r1=1 mf2=? at r2=19 m

Q: The period of the lowest-frequency sound the normal ear can hear is 0.050 s. Calculate its…

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Q: A tension is maintained in a string by attaching one end to a wall and by hanging a 2.20 kg object…

A: Given :- weight of object = 2.20 kg length of string = 2 m string mass per unit length = 3.55mg/m  =…

Q: Humans can detect frequencies as high as 20 000 Hz. Assuming the speed of sound in air is 344 m·s−1,…

A: Given: The upper range of hearing: f=20,000 [Hz]=20,000 [s-1] Speed of sound: v=344 [m/s]…

Q: In this problem take the speed of sound to be 348 m/s. A. How fast, in meters per second, does an…

A: Given: speed of sound, v = 348 m/s

Q: For an approaching sound source (relative to a stationary observer), the frequency of the sound wave…

A: Required :  Fill in the gaps

Q: Suppose you want to build a musical instrument with a hollow pipe that is open at both ends. You…

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Q: A pipe of length 10cm closed at one end, has frequency equal to half the 2nd overtone of another…

A: We need to compute-Resonating length for open pipe=?The data given as-Resonating length for closed…

Q: A string on a stringed instrument has a length of 1.5m and a mass of 5g.  The string is held taut by…

A: It is given that

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: A 1.8-m string that has a nass of 0.41 g is held fixed at both ends. When driven by a 200-Hz source,…

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Q: At a height of twelve meters above the surface of a freshwater lake, a sound pulse is generated. The…

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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: 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: Unless otherwise indicated, for this problem, assume that the speed of sound through human tissues…

A: The observed frequency will be,

Q: A source of sound S is moving with a velocity of 50 m/s towards a stationary observer. The observer…

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Q: The bulk modulus and the density of a liquid is B = 584 MPa and ρ = 1,027 kg/m3, respectively. What…

A: Given data: bulk modulus B = 584 MPa.   Density of liquid (ρ0) =1027 kg/m3.

Q: You double the intensity of a sound wave in air while leaving the frequency unchanged. (The…

A: The Relation between Intensity and Displacement amplitude is given by, I=2π2ρf2v∆s2  and the…

Q: According to their website, a single Wawa Italian Hoagie contains 450 food calories. Refer to…

A: It is given that,

Q: A guitar string is 90.0 cm long and has a mass of 3.16 g. From the bridge to the support post there…

A: Length of string is Mass is Distance between bridge to the support is Tension in rope is…

Q: A narrow sound pulse (for example, a short pip by a whistle) is sent across amedium. (a) Does the…

A: a)the pulse does not have any definite wavelength or frequency but have a definite speed if and only…

Q: The mating call of a male cicada is among the loudest noises in the insect world, reaching decibel…

A: (a)Formula for intensity level of a sound,

Q: Dolphins emit clicks of sound for communication and echolocation. A marine biologist is monitoring a…

A: We are given speed of sound in water. We are also given apparent frequency heard by observer which…

Q: The A string on a violin has a fundamental frequency of 430Hz. The length of the vibrating portion…

A: Given: The fundamental frequency is 430 Hz. The length of the string is 35 cm = 0.35 m.…

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: The sound from a trumpet radiates uniformly in alldirections in 20°C air. At a distance of 5.00 m…

A: Given: Distance=5 m Sound intensity level=52.0 dB Frequency=587 Hz Temperature=20°C

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: The intensity of a sound wave at a fixed distance from a speaker vibrating at 1.00 kHz is 0.650…

A: Remember that intensity of sound is given by: I = 2*pi^2*f^2*Sm^2*rho*v Where f = frequency of sound…

Q: A pipe open at both ends has an n = 1 harmonic of 452 Hz. Find the pipe's length in meters if the…

A: Given data:  A pipe opens at both ends  n = 1 Frequency (f) = 452 Hz Speed of sound (v) = 344 m/s…

Q: The intensity sound level in air is 61 dB. Calculate Pmax if the temperature is 20°C , the density…

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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: A sound level meter 5.0 m from a jet engine measures 130.0 dB. The sound power output of the jet…

A: Given: The distance of the sound level meter is r = 5 m The sound intensity in decibel is given as…

Q: Suppose you want to build a musical instrument with a hollow pipe that is open at one end and closed…

A:

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: A sound wave in air has a pressure amplitude of 4.00 Pa and a frequency of 5.00 kHz. Take P  0 at…

A: Given: Pressure amplitude for a sound wave is pmax=4 Pa when x=0. Frequency of the sound wave is…

Q: An underwater vehicle sends out a short sound.  An echo of the sound is perceived 6.00 s after…

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Q: A sound wave traveling through water must vibrate approximately 1000 times more mass than one…

A: Given question is related to motion of sound waves. Answer Amplitude in air/Amplitude in water =…

Q: A train moving at a speed of 220 ms–1 towards a stationary object, emits a sound of frequency 1000…

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Q: Reference: Problem 11-93. A bat emits an ultrasound burst (frequency = f) as it flies toward a cave…

A: It is given that: The frequency of emitted ultrasound(f) = 50.6 kHz The velocity of the bat moving…

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: A flute is a 66.0 cm pipe that is open at both ends. What are the first three harmonics when all…

A: Given, Length = 66 cm = 0.66 m Speed of light (v) = 340 m/s

Q: A  given string has a length 1.5m, a mass of 30g and has a tension of 80N. What is the frequency of…

A: Length  = l = 1.5 m mass of the wire is, m=30 g Mass per unit length is, m/l =30 g1.5 m         =…

Electromagnetic Waves

Electromagnetic waves are waves that consist of magnetic field and electric field components perpendicular to each other. These field components are also perpendicular to the direction of propagation of the wave.