A person riding in car is blowing an air horn at a frequency of 302 Hz. You are sitting on a bench at the bus stop, minding your own business? The car is moving quickly at 85 mph (38 m/s). What is the frequency that you hear as the car drives away? It is a hot day so the speed of sound is 350m/s

Q: You are driving along a highway at 32 m/s when you hear the siren of an emergency vehicle traveling…

A: Speed of observer is When source and observer approaching each other then the frequency observed by…

Q: An ambulance with a siren emitting a frequency of 1600HZ overtakes and passes a cyclist pedaling a…

A: Given that:- The frequency emitted is, f0 =1600 Hz. The speed of the cyclist is, v0 =4 m/s. The…

Q: Akiko rides her bike toward a brick wall with a speed of 7.00 m/s while blowing a whistle that is…

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Q: You ride your bike at 10.5 m/s directly away from your neighbor's trumpet sound and toward the sound…

A: Given Speed of man - 10.5m/s Now, f = velocity /wavelenth. In case 1 f1 is 262 Actual velocity -343…

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: 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: Two trains approach each other, each train traveling at 31 m/s. The engineer on one train sounds his…

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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: An ambulance with a siren emitting a whine at 1450 Hz overtakes and passes a cyclist pedaling a bike…

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Q: Two cars approach each other, each moving with a speed of 50 m/s, when one car starts to beep its…

A: Wavelength of the horn heard by the other driver. given, speed of carsvc=50 m·s-1frequencyf=475…

Q: A motorcyclist is traveling at 23 m/s away from a police car at rest. If the policeman blows his…

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Q: A horn emitting a frequency of 1.23 kHz is moving toward a stationary person with a velocity of 165…

A: Given Observed frequency is f0=1.23 kHz Speed of source is vs= 165 km/h Speed of observer is vo=0

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

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Q: You are in a car moving at 90 km/h and you see someone at the side of the highway. You use your horn…

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Q: You are traveling north on a highway moving at 23 m/sec. A police car is traveling toward you going…

A: It is given that

Q: A train moves towards you at a speed of 90.0 km/h as you stand on the platform. The train has a…

A: Given: Velocity of the train (vs) = 90 km/h = 25 m/s Velocity of sound (v) = 340 m/s Frequency of…

Q: A smoke alarm emits a signal of frequency 680 Hz.  The alarm goes off, and someone becomes so…

A: Given data The frequency emitted by the smoke alarm is f = 680 Hz. The falling speed of an alarm is…

Q: A fire truck emits a sound with frequency of 775Hz a. What is the frequency detected by stationary…

A: Doppler effect is the change in frequency of a wave due to relative motion of the observer and the…

Q: A truck travels northbound on a highway at a speed of17m/s. a police car, traveling Northbound…

A: Given Truck velocity in north direction= vdriver= 17[m/s] Police car in north direction=  vpolice…

Q: Two train whistles, A and B, each have a frequency of 408 Hz. A is stationary and B is moving toward…

A: Each frequency of two train's whistle is, ft=408 Hz. The speed of the train B is, vB=45 m/s. The…

Q: While sitting in your car by the side of a country road, you are approached by your friend, who…

A: Given: The frequency of the horn is 260 Hz

Q: A fire truck is moving away a stationary observer at 18.2 m/s and has a siren frequency of 790 Hz.…

A: Given    A fire truck is moving away a stationary observer at 18.2 m/s and has a siren frequency of…

Q: You see an approaching train while standing on a railway platform. It blows its whistle, which you…

A: Given: Frequency of the source train: fs=500 [Hz] Frequency heard by stationery observer: f0=100…

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: An ambulance with a siren emitting a frequency of 1600Hz overtakes and passes a cyclist pedaling a…

A: Given: The original frequency (fs) of the ambulance is 1600 Hz. The frequency (fo) observed by the…

Q: The driver of a car traveling 27.0 m/s sounds his horn as he approaches an intersection. If the horn…

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Q: A car is traveling due north at 26.1 m/s. A bicyclist behind the car is traveling at 16.5 m/s in the…

A:

Q: Dolphins make sounds in air and water. What is the ratio of the wavelength of a sound in air to its…

A:

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

A:

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: A train makes a stop at a train station. You decide to get out of the train to get some snacks from…

A:

Q: Two trains on separate tracks move toward each other. Train 1 has a speed of 112 km/h; train 2, a…

A:

Q: Horseshoe bats use the Doppler effect to determine their location. A Horseshoe bat flies toward a…

A: Given:        Speed of Horseshoe batv= 15 m/s        Frequency of emitted sound f= 19.6 kHz…

Q: Dolphins make sounds in air and water. What is the ratio of the wavelength of a sound in air to its…

A: Given data Tc=20°c=293 K

Q: A police siren has a frequency of 340.0 Hz when the car is stationary and the temperature is 20°C.…

A: Given: Frequency of siren = 340 Hz Temperature = 20 degree C Speed of car = 22 m/s

Q: On a hot summer day, the temperature in Anchorage reaches 75 degrees Fahrenheit. What is the speed…

A: Assume that the temperature of the Anchorage reaches a temperature, TF = 75 ̊ F.

Q: A bat is using echolocation to find insects at night. If the bat emits a high frequency chirp and…

A: Given, The bat emits a high frequency chirp and hears an echo 0.031 s later. Temperature of air is…

Q: You are in Switzerland and decide to try yodeling. You are facing a cliff some distance away. If the…

A:

Q: Although we can't hear them, the ultrasonic pulses are very loud. In order not to be deafened by the…

A: We have to determine the when the bat hears its echo. Given that the Bat is 1 m away from the…

Q: On the planet Venus a rare volcanic eruption occurs. The sound of it is 30 Hz and it has a…

A: Given Wavelength is 13.7 m Frequency is 30 Hz.

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: A physics professor demonstrates the Doppler effect by tying a 600 Hz sound generator to a…

A: The formula for Doppler Effect on the frequency, in case of stationary observer, can be written as,…

Q: As part of a college physics lab. A car that is giving off a sound with a frequency of 350 Hz, is…

A:

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, Speed of sound in air, va=343 m/s, speed of fire truck, vs=27 m/s, and siren frequency, fs=…

Q: A bungee jumper jumps from rest and screams with a frequency of 403 Hz. The air temperature is 20…

A: When the source of sound and the observers are in relative motion, the frequency of sound heard…