Question

A whistle of frequency 519 Hz moves in a circle of radius 78.9 cm at an...

A whistle of frequency 519 Hz moves in a circle of radius 78.9 cm at an angular speed of 14.4 rad/s. What are (a) the lowest and (b) the highest frequencies heard by a listener a long distance away, at rest with respect to the center of the circle? (Take the speed of sound in air to be 343 m/s.)

Homework Answers

Answer #1

Then given data,

radius is r = 14.4 rad/s

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A sound source with a frequency of 1800 Hz moves away 24 m / s from...
A sound source with a frequency of 1800 Hz moves away 24 m / s from a reflective wall which also moves away from the source at 26 m / s. If the speed of sound is 343 m / s determine the frequency that detects the source of the reflected wave. (10 points)
A bystander hears a siren vary in frequency from 554 Hz to 390 Hz as a...
A bystander hears a siren vary in frequency from 554 Hz to 390 Hz as a fire truck approaches, passes by, and moves away on a straight street. What is the speed of the truck? (Take the speed of sound in air to be 343 m/s.)
A bystander hears a siren vary in frequency from 600 Hz to 394 Hz as a...
A bystander hears a siren vary in frequency from 600 Hz to 394 Hz as a fire truck approaches, passes by, and moves away on a straight street. What is the speed of the truck? (Take the speed of sound in air to be 343 m/s.)
A bystander hears a siren vary in frequency from 582 Hz to 394 Hz as a...
A bystander hears a siren vary in frequency from 582 Hz to 394 Hz as a fire truck approaches, passes by, and moves away on a straight street. What is the speed of the truck? (Take the speed of sound in air to be 343 m/s.)
The sound from the whistle of a truck is 2500 Hz. The truck is moving at...
The sound from the whistle of a truck is 2500 Hz. The truck is moving at 30.0 m/s toward a building, which reflects the sound and is heard by the driver of the truck. As heard by the driver of the truck, how much does the frequency change from the original frequency of the whistle? The speed of sound is 340 m/s.
A siren emitting a sound of frequency 1000 Hz moves towards you, and away from a...
A siren emitting a sound of frequency 1000 Hz moves towards you, and away from a cliff at a speed of 25 m/s. a) what is the frequency of sound you heard coming directly to you from the siren? B) what is the frequency of sound you hear reflected from the cliff? (speed of sound = 340 m/s).
A car moves at 20 m/s north. An ambulance passes it going 25 m/s north, with...
A car moves at 20 m/s north. An ambulance passes it going 25 m/s north, with its siren on, f = 500 Hz. Find the frequency heard in the car when the ambulance is moving away. (The speed of sound in air is 343 m/s)
A pedestrian standing on the sidewalk heard a frequency of 845 Hz when an ambulance is...
A pedestrian standing on the sidewalk heard a frequency of 845 Hz when an ambulance is traveling away from him with a speed of 45.0 m/s. Speed of sound in air = 343 m/s A) what is the frequency of the ambulance siren? Express your answer using three significant figures. B) Then the ambulance stopped for a few seconds while sounding the siren. A driver in a car that is coming towards the ambulance heard a frequency of 995 Hz....
A pedestrian standing on the sidewalk heard a frequency of 850 Hz when an ambulance is...
A pedestrian standing on the sidewalk heard a frequency of 850 Hz when an ambulance is travelling away from him with a speed of 45.0 m/s m / s . Speed of the sound in air = 343 m/s Part A What is the frequency of the ambulance's siren? Express your answer using three significant figures. Part B Then the ambulance stopped for a few seconds while sounding the siren. A driver in a car that is coming towards the...
A sound source with a frequency of 1500 Hz moves at 40 m / s towards...
A sound source with a frequency of 1500 Hz moves at 40 m / s towards a wall that approaches the source at 50 m / s. If the speed of sound is 343 m / s, determine the reflector frequency that the source of the reflected wave detects.