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Doppler effect
Page 5
Questions (319)
An object emitting 500nm wavelength light moves away from you at half of the speed of light. What is the observed wavelengths of
2 answers
asked by
Barbara Davis
675 views
You blow a whistle of frequency 942 Hz, as you move towards a wall.
The frequency of beats you hear from the whistle and the
2 answers
asked by
help need . Mansuri
690 views
I need a complete list all the doppler effect equations for a beginner physics class. Here is a sample questions so you know the
3 answers
asked by
Tina
666 views
The siren of an ambulance has a frequency f=500 Hz. A pedestrian standing on a
sidewalk listens to this siren as the ambulance
2 answers
asked by
Jamie
676 views
A stationary observer hears a sound with a frequency of 450 Hz from an approaching car. If the car emits the sound at a
2 answers
asked by
Bob
660 views
a car sounds its horn as it travels at a steady speed of 15m/s along a straight road between two observers x and y. the observer
5 answers
asked by
mevan
646 views
A train blows its horn as it approaches a crossing. A.) if the train engineer observes a frequency of 125Hz and a stationary
2 answers
asked by
Jared
663 views
A radio station broadcasting on a frequency of 106 MHz is received by an astronaut headed toward the station at a speed 4.0×107
2 answers
asked by
Archillis
663 views
train moving with speed 72 km h−1
emits a whistle of frequency 600 Hz. A person is standing stationary on the platform.
2 answers
asked by
Komal
640 views
A physics student sits by the open window on a train moving at 25 m/sec towards the east. Her boyfriend is standing on the
2 answers
asked by
caleb
647 views
I listed the questions with my answers. Are the answers correct? Thanks.
A railroad locomotive is a rest with its whistle
2 answers
asked by
Mary
636 views
An observer rides with a moving sound source directly toward a large vertical wall. The vehicle has a constant speed of 10m/s
2 answers
asked by
Offiong
632 views
The spectrum of light from the galaxy M100 has a prominent dark line at a wavelength of 592.2 nm. The same spectral line
2 answers
asked by
Mota
610 views
Not at all sure where to start with this problem. Any help would be appreciated!
The siren of an ambulance has a frequency f=500
3 answers
asked by
Jamie
609 views
After giving an intense performance, a confused and disoriented flautist has wandered onto the motorway! They are playing a
3 answers
asked by
TOM
606 views
A flying bat emits squeaks at a frequency of 80 MHz, if a stationary observer picks up the frequency of the squeaks as 78 MHz,
2 answers
asked by
Bafana
627 views
An ambulance with a siren emitting a whine at 1600 Hz overtaken and passes a cyclist pedaling a bike at 2.44 m/s. After being
2 answers
asked by
onon
603 views
I need help with this question.
A commuter train blows its horn as it passes a passenger platform at a constant speed of 55.0
1 answer
asked by
Chris Adison
612 views
How fast should a car move toward you for the car's horn to sound 2.88% higher in frequency than when the car is stationary? The
2 answers
asked by
Jon
595 views
A state trooper chases a speeder along a straight road; both vehicles move at 160 km/h. The siren on the trooper's vehicle
2 answers
asked by
onon
605 views
Suppose that a police car on the highway is moving to the right at 20 m/s, while a speeder is coming up from almost directly
2 answers
asked by
Mary
609 views
Two eagles fly directly toward one another, the first at 13 m/s and the second at 21 m/s. Both screech, the first emitting a
2 answers
asked by
Cindy
595 views
Suppose active sonar on a stationary ship is used to determine the speed of a ship that is moving away from it. A sonar ping is
2 answers
asked by
Kelly
587 views
A train at rest emits a sound at a frequency
of 1089 Hz. An observer in a car travels away from the sound source at a speed of
2 answers
asked by
Anonymous
602 views
When at rest, two trains have sirens that emit a frequency of 300 Hz. The trains travel toward one another and toward an
2 answers
asked by
lucy
576 views
Give five application of Doppler Effect in science
2 answers
asked by
ORIFHA
577 views
You are flying in an ultra-light aircraft at a speed of 41.4 m/s. An eagle, whose speed is 21.7 m/s, is flying directly toward
3 answers
asked by
Amena
567 views
A car travelling at 90 km/hr sounds it horn as it approaches a stationary cyclist.if the car horn is at 512 Hz and temperature
2 answers
asked by
Allen
578 views
A person standing close to a railroad crossing hears the whistle of an approaching train. He notes that the pitch of the whistle
3 answers
asked by
Emily
580 views
You are sitting on a train that is about to drive into a tunnel that is at the base of a large cliff. Just before entering the
2 answers
asked by
Phil
571 views
A truck is moving away at 30 mph from a car moving towards the truck at 60 mph. If
the truck emits a horn of frequency 500 Hz,
2 answers
asked by
Victor
598 views
Consider an antenna transmitting at 900 MHz. The receiver is traveling at a speed of 40km/h. Calculate its Doppler shift.
2 answers
asked by
Josh
565 views
An airplane moves away from a stationary observer at 125 m/s and emits a frequency of 595 Hz on a day where the temperature is
2 answers
asked by
Lisa
551 views
A stationary horn emits a 151 Hz tone. What frequency is heard by a passenger on a train which is moving towards this horn with
2 answers
asked by
utl
578 views
if a man moving away with the speed of 0.5 of sound from a stationary sound source producing a sound of frequency , he would
2 answers
asked by
sara
583 views
When object travels away from The observer the wavelength has a what frequency
1 answer
asked anonymously
16 views
1
Doppler effect refers to _____ objects. 2 When an object travels away from the observer the wavelength has a ____ frequency. 3
1 answer
asked anonymously
32 views
In this equation, vd is the speed of the detector, and vs is the speed of the source. Also, fs is the frequency of the source,
2 answers
asked by
lauren
546 views
two cars are heading at each other with the same speed v. The horn of one (f=3000Hz) is blowing,and is heard to have a frequency
2 answers
asked by
kabelo
549 views
a submarine fitted with a SONAR system operates at a frequency 50kHz. An enwmy submarine is now moving towards it with a speed
3 answers
asked by
please Help urgently
549 views
Now imagine you’re an astronomer on Earth looking at the spectrum of an
object in space. In the spectrum you are looking for
2 answers
asked by
qwerty
529 views
A train blows its horn as it approaches a crossing. The train engineer observes a frequency of 118 Hz and a stationary observer
2 answers
asked by
Paul
544 views
apparent change in wavelength of sound waves is 2.5cm when the source of sound is approaching stationary listener with velocity
2 answers
asked by
hussain
542 views
The wavelength of light emitted from a distant galaxy by a hydrogen atom is observed to be 400 nm. If it is known that the
2 answers
asked by
Arielle
533 views
Speed in air is 340m.s Siren of ambulance emits waves of frequency 980Hz A detector at the scene measures the frequency as
2 answers
asked by
angel
539 views
Suppose that a police car on the highway is moving to the right at 27 m/s, while a speeder is coming up from almost directly
2 answers
asked by
Anonymous
520 views
1. A person driving to the right and honks their horn. An observer standing behind the car, opposite its direction of motion
2 answers
asked by
Tina
525 views
a siren has a frequency of 1099 Hz when it and an observer are both at rest. The observer then starts to move and finds that the
2 answers
asked by
Chad
518 views
While standing on 3rd street you hear an approaching ambulance. Its siren oscillates in frequency between about 650 Hz and 750
1 answer
asked by
Anonymous
526 views
Sapose active sonar on a stationary ship is used to determine the speed of a ship that is moving away from it. A sonar ping is
2 answers
asked by
Robert
515 views
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