k when an  approaching driver blows his  horn. If the true frequency of  the horn is 264 Hz and the  car is approaching you at a  speed of 60.0 km/h, what is  the apparent (or Do

Q: As you stand near a railroad track, a train passes by at a speed of 33.5 m/s while sounding its horn…

A: Speed of train/ source, vs=33.5 m/sActual frequency of horn, f=219 HzSpeed of sound, v=344 m/sSpeed…

Q: On a busy construction site at 1:00 p.m. the sound level is 124 dB, while at 4:00p.m. it is 100 dB.…

A: Given that: The sound level at 1 pm is 124 dB The sound level at 4 pm is 100 dB   It is required to…

Q: A stationary person hears a frequency of 76 Hz from an approaching car. When the car is moving away…

A: The frequency heard by the stationary person when the source is approaching him can be represented…

Q: An ambulance with a siren emitting a whine at 1640 Hz overtakes and passes a cyclist pedaling a bike…

A: GIVEN   An ambulance with a siren emitting a whine at 1640 Hz overtakes and passes a cyclist…

Q: What frequency (in Hz) is received by a person watching an oncoming ambulance moving at 106 km/h and…

A: This is the question is based on the Doppler's Effect.    The shifting of the frequency can be…

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: An eagle flying at 15.5 m/s towards a stationary prey screeches at 3250 Hz. (a) What frequency, in…

A:

Q: You are driving down the street with your windows open enjoying the nice day. On this nice 20°C day,…

A: The velocity of the sound, v = 343 m/s The original frequency of the whistle, f0 = 1450 Hz The…

Q: A train passes by a little boy at the depot. As it moves away from the boy at 65 m/s, the whistle…

A:

Q: You approach a stationary sound source with a speed such that the frequency of sound you hear is 17%…

A:

Q: A person at rest hears a trumpet note of frequency fi from a source moving toward him with a…

A:

Q: An Indycar(TM) emits a sound at 225 Hz as it races down a straightaway with a velocity of 98 m/s. A…

A: The perceived frequency heard by the observer is given by the relation of the Doppler effect for…

Q: Two cars approach each other at 50 m/s when one car starts to beep its horn at a frequency of 475HZ.…

A: Both the cars are approaching each other with a speed of 50 m/s, i.e. the speeds of the source vs =…

Q: One day when the speed of sound in air is 343 m/s, a fire truck traveling at vs = 27 m/s has a siren…

A: Given: The speed of the sound is 343 m/s. The speed of the truck is 27 m/s. The frequency of the…

Q: you stand near a railroad track, a train passes by at a speed of 30.1 m/s while sounding its horn at…

A: Write the given values of the problem- Frequency of the train horn (f)=213 Hz Speed of the train…

Q: Two transverse sinusoidal waves combining in a string are described by the wave functions y1 - 0.02…

A: Given Y1 = 0.02sin(4πx+πt) Y2 = 0.02sin(4πx-πt) number of loops n =3

Q: Two transverse sinusoidal waves combining in a string are described by the wave functions y1 = 0.02…

A: Given Y1 = 0.02sin(4πx+πt) Y2 = 0.02sin(4πx-πt)

Q: Two transverse sinusoidal waves combining in a string are described by the wave functions y1= 0.02…

A: For the three loops the length is given by  L = 1.5 λ where, λ is the wavelength.

Q: On a cold day where the temperature is 0°C (so the speed of sound is 313 m/s), you generate a sound…

A: Wavelength in longitudnal wave refers to the distance between consecutive compressions or between…

Q: What frequency of sound traveling in air at 20°C has a wavelength equal to 1.6 m, the average height…

A:

Q: truck is moving at 33 m/s, and a car in front of the truck is moving in the same direction at 43…

A: Speed of source = vs = 33 m/s Speed of observer vo = 43 m/s Original frequency = 193 Hz

Q: A police car sounding a siren with a frequency of 1.580 [kHz] is traveling at 120.0 [km/hr ].…

A:

Q: Two automobiles are equipped with the same single-frequency horn. When one is at rest and the other…

A: Given data The velocity of the first automobile is given as v = 15 m/s. The beat frequency is given…

Q: A driver travels south on a highway at a speed of 25 m/s. A police car, driving south at a speed of…

A:

Q: An observer is moving towards a sound source of constant frequency with a velocity of 40 ms' .He…

A: Given: The velocity of the observer is 40 m/s. The frequency is 560 Hz. The velocity of the observer…

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: One day when the speed of sound in air is 343 m/s, a fire truck traveling at vs = 25 m/s has a siren…

A:

Q: A train approaches a station and sounds its horn which has a natural frequency of 155 Hz. The train…

A: The answers are below

Q: A train traveling at 37 m/s is app.roaching a person on the platform, the engineer blowing its horn…

A:

Q: 3. H.W: What is the values of the frequency received via a person looking at approaching car at…

A:

Q: Two transverse sinusoidal waves combining in a string are described by the wave functions y1 = 0.02…

A: y1 = 0.02 sin3πx+πt y2 = 0.02 sin3πx-πt n = 3 L = ?

Q: A male alligator emits a subsonic mating call that has a frequency of 18 Hz by taking a large breath…

A: Given,alligator emits frequency, f = 18 Hzalligator chest behave as a pipe open at one end.

Q: Two cars have identical horns, each emitting a frequency of fs = 395 Hz. One of the cars is moving…

A:

Q: Two cars A and B are traveling toward each other at speeds of 45 km/hr and 70 km/hr respectively. If…

A:

Q: As you stand near a railroad track, a train passes by at a speed of 31.5 m/s while sounding its horn…

A:

Q: What is the third overtone of a standing wave in a 0.800 m pipe open on one end and closed on…

A: Given pipe open at one end and closed at another. Length (l)=0.800 m Speed of sound (v)=343 m/s…

Q: You are driving along a highway at 35 m/s when you hear the siren of a police car approaching you…

A:

Q: An ambulance with a siren emitting a whine at 1760 Hz overtakes and passes a cyclist pedaling a bike…

A: Data  we have speed of sound,v=343m/s Frequency of siren before overtaking, F=1760Hz Frequency of…

Q: Two transverse sinusoidal waves combining in a string are described by the wave functions y1 = 0.02…

A: The standard equation of a wave is  y = A sin (K x - wt)

Q: A person in a car is driving at 65 mi/h toward a ferry whose whistle is blowing at 400 Hz. The ferry…

A: solution as

Q: A train approaches a station and sounds it’s horn which has a natural frequency of 155 Hz. The train…

A: given; velocity of source vs=39 m/s velocity of sound v  = 340 m/s natural frequency f = 155 Hz

Q: A rope has a density of 7.5 g/cm3 and a cross-sectional area of 2.0 cm2. When the rope is subjected…

A: ρ=Density of rope=7.5 g/cm3A=Area=2 cm2T=Tension=100 Nf=Frequency=25 Hzμ=Linear density=ρA

Q: A woman sees a supersonic plane directly overhead and then hears a sonic boom 4.8 s later. If the…

A: Given data: Altitude of plane is, h=1.95×103 m. Time for passing of plane is, t=4.8 s. Speed of…

Q: Two transverse sinusoidal waves combining in a string are described by the wave functions y1 = 0.02…

A: Given Y1 = 0.02sin(4πx+πt) Y2 = 0.02sin(4πx-πt)

Q: What frequency of sound is observed if the 444 Hz source is traveling away from a stationary…

A: Given data:  Frequency of source (f) = 444 Hz Speed of source (vs) = 30.2 m/s, away from observer…

Q: As you stand by the side of the road, a car approaches you at a constant speed, sounding its horn,…

A: Given: The speed of the observer is 0 m/s. The observed frequency is 50 Hz when the car approaches…

Q: Two truckers are traveling directly away from each other at the same speed. If one trucker sounds…

A: Given, frequency of listener, fL=243 Hz frequency of the source, fS=246 Hz Speed of sound, v=343 ms…

Interference of sound

Seiche

A seiche is an oscillating standing wave in a body of water. The term seiche pronounced saysh) can be understood by the sloshing of water back and forth in a swimming pool. The same phenomenon happens on a much larger scale in vast bodies of water including bays and lakes. A seizure can happen in any enclosed or semi-enclosed body of water.