A projectile is approaching you at 50 m/s and whistling with a frequency of 300 Hz if heard by an observer on the projectile.  You are running away from the projectile at 10 m/s. You hear a frequency Group of answer choices 300 Hz. varying about 300 Hz. lower than 300 Hz. higher than 300 Hz. which is that of your scream.

Q: person stands directly in front of two speakers that are emitting the same pure tone. The person…

A: when person move to one side ; the person is 6.90 m from one speaker and 7.11m from other  . The…

Q: A Doppler blood flowmeter emits ultrasound at a frequency of 5.0 MHz. What is the beat frequency…

A: Given that, fs=5.0 MHzvo=0.15 m/s The beat frequency between the waves that are emitted and the…

Q: Physics A sound wave in air has frequency f=202 Hz and travel with velocity v=[331+0.6T°C] m/s . How…

A: Given data: Frequency (f) = 202 Hz Wave velocity as function of temperature v=[331+0.6T°C] m/s…

Q: A siren emitting a sound of frequency 1200 Hz moves away from you toward the face of a building at a…

A: Frequency of siren (f) = 1200 Hz speed of siren (v) = 10 msSpeed pf sound in air (v') = 340 ms

Q: Sound wave is passed through the loudspeaker so that the sound intensity increased by Lp=50 dB. How…

A: Given: Sound wave is passed through the loudspeaker so that the sound intensity increased by Lp=50…

Q: A bee is emitting a frequency of 300Hz.  The bee is flying towards you at 2m/s while you are running…

A: The observed frequency when the source is moving towards the observer and the observer is moving…

Q: A Doppler blood flowmeter emits ultrasound at a frequency of 5.0 MHz. What is the beat frequency…

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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: 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 bat can detect small objects that are roughly the same size as the wavelength of the sound they…

A: Given data: Frequency (f) = 60 kHz Speed (v) = 330 m/s Required: Wavelength (λ)

Q: Crickets produce a musical chirping sound at a frequency around 10,000 Hz (very high pitched)! The…

A: Answer :-  Given   Frequency of sound (f) = 10000 Hz  Wavelength (λ) = 0.03 m  Speed of sound  = V…

Q: A tuning fork is sounded near the end of a tube (one end closed) of variable length. The tube…

A:

Q: A dolphin is swimming at 20.00meters per second towards a scuba diver. The dolphin is emitting a…

A: Using Doppler effect, the frequency heard by the diver can be given as

Q: A bird flying directly toward a stationary bird watcher and emits a frequency of 1100 Hz. The bird…

A: Given that,Frequency emitted by the bird, fs=1100 HzFrequency heard by the bird watches, f0=1150…

Q: A person stands directly in front of two speakers that are emitting the same pure tone. The person…

A: According to the question, a person stands directly in front of two speakers that are emitting the…

Q: An organ pipe is open at both ends. It is producing sound at its n = 2 harmonic, the frequency of…

A:

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: The following sound waves have what velocity? (a)f-314 Hz, 2= 168 m m/s (b)f-314.0 Hz, 2 = 7.70 m…

A: We know, Velocity is the product of frequency and wavelength

Q: A police car is driving away from you with its siren sounding. The car is going 25.0 m/s, and the…

A: The source is moving away from the observer So the perceived frequency is less than the 1000 Hz

Q: A bat is flitting about in a cave, navigating via ultrasonic bleeps.Assume that the sound emission…

A: The frequency of the heard by the bat reflected off the wall is given by,

Q: A person perceives a sound that was produced 4 meters from them. How much less intense would the…

A: Intensity of a sound is inversely proportional to the square of the distance from the source.…

Q: A person stands directly in front of two speakers that are emitting the same pure tone. The person…

A: givenOne side untill no sound hearedx1=6.15 mx2=6.18 m

Q: A person stands directly in front of two speakers that are emitting the same pure tone. The person…

A: Answer:-  Where a person stands there is a minimum of sound interference. l2  -  l1  =  ( λ /2) 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 person stands directly in front of two speakers that are emitting the same pure tone. The person…

A:

Q: A string on a musical instrument is fixed at both ends - like a guitar. If the length of the string…

A: The answer is given below

Q: Doppler ultrasound uses ultrasound to measure blood flow velocity. Suppose that the device sends…

A:

Q: A person stands directly in front of two speakers that are emitting the same pure tone. The person…

A:

Q: What frequency is received by a person watching an on coming ambulance moving at 10 Km/h and…

A:

Q: A train is moving at a speed of 50 m/s with its whistle on, the frequency of the whistling sound…

A:

Q: A student blows across the top of an empty bottle causing it to resonate at its fundamental…

A: given that: The height of the bottle is L=0.45 m The speed of the sound is v=340 m/s   It is…

Q: What is the frequency (in Hz) of the tone being emitted?

A:

Q: An ambulance with a siren emitting a whine at 1750 Hz overtakes and passes a cyclist pedaling a bike…

A: Given Source frequency fsource = 1750 Hz Observed frequency fobs = 1739 Observer velocity vobs    =…

Q: A projectile is approaching you at 50 m/s and whistling with a frequency of 300 Hz if heard by an…

A:

Q: omeone hits a cold metal pipe with a hammer, and it produces a sound with a frequency of 360.0 Hz.…

A:

Q: You generate a sound wave of 420 Hz with a speaker. The speed of sound is 342 m/s. You are 2 m from…

A: According to inverse square law, Sound intensity decreases as the observer moves away from the sound…

Q: A person stands directly in front of two speakers that are emitting the same pure tone. The person…

A:

Q: A train is moving away from an observer at a speed of 50 m/s with its whistle on, the frequency of…

A: Given, train speed vs = 50 m/s            frequency fs = 400 Hz          speed of sound v = 345 m/s…

Q: From a vantage point very close to the track at a stock car race, you hear the sound emitted by a…

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