Questions LLC
Login
or
Sign Up
Ask a New Question
Waves and Sound
Page 4
Questions (295)
In one of the original Doppler experiments, one tuba was played on a moving platform car at a frequency of 75 Hz, and a second
4 answers
asked by
Anonymous
1,253 views
A car traveling at 22.1 m/s honks its horn as it directly approaches the side of a large building. The horn produces a long
2 answers
asked by
help me
1,243 views
The A string of a violin is 31 cm long between fixed points with a fundamental frequency of 440 Hz and a mass per unit length of
4 answers
asked by
Jake
1,267 views
3.
When the energy of a sound wave is transferred to a particle of a medium and causes it to vibrate and generate heat, the sound
3 answers
asked by
jeje
1,165 views
You're in an auto traveling at 25.0m/s toward a pole mounted warning siren. If the siren's frequency is 365 Hz, what frequency
2 answers
asked by
jess
1,154 views
A vertical tube with a tap at the base is filled with water, and a tuning fork vibrates over its mouth. As the water level is
1 answer
asked by
carly
1,151 views
Speakers A and B are vibrating in phase. They are directly facing each other, are 7.4 m apart, and are each playing a 72.0 Hz
1 answer
asked by
Coreen
1,141 views
Ige confused, the truck driver sound the horn of the truck, which has a frequency of 260HZ. The speed of sound in air is 340m/s.
2 answers
asked by
guli
1,094 views
While blowing its horn of frequency 466 Hz, a car accelerates at 0.84 m/s2.
The car starts from rest by your side and moves away.
2 answers
asked by
suuppii .. can anyone help
1,046 views
Three sources of sound are distributed along a line, as shown in the figure. v is the speed of sound. Source A is at rest, and
2 answers
asked by
Ben
1,080 views
Two speakers are separated by distance d1 = 2.40 m and are in phase. You are standing 3.00 m directly in front of one speaker.
1 answer
asked by
Anonymous
1,059 views
You drop a stone down a well that is 12.37 m deep. How long is it before you hear the splash? The speed of sound in air is 343
2 answers
asked by
maria
1,042 views
You tie a battery powered, fixed-frequency buzzer to the end of a string and swing it around in a large horizontal circle. Your
1 answer
asked by
silly
1,005 views
A boy drops a 0.10 kg stone down a 150 m well and listens for the echo. The air temperature is 20°C. How long after the stone
2 answers
asked by
Pat
998 views
If the speed of sound in air is 340 m/s, what
is. approximately the length of a shortest air column closed at one end that will
1 answer
asked by
d
983 views
The annoying sound from a mosquito is produced when it beats is wings at the average rate of 600 wingbeats per second. What is
1 answer
asked by
Ronnie
971 views
A source produces 2000 sound waves in 4 seconds. The distance between two consecutive compressions is 55cm. Find the frequency,
1 answer
asked by
Mano
957 views
A car drives at a speed of 28m/s along a road parallel to a railroad track. A train traveling at 15m/s sounds a horn that
2 answers
asked by
Anonymous
909 views
Sound is passing perpendicularly through an open window whose dimensions are 1.1 m x 0.75 m. The sound intensity level is 71 dB
1 answer
asked by
Anonymous
868 views
The speed of sound in air varies with the temperature and humidity of the air. In dry air at 20 degrees Celsius, the speed of
1 answer
asked by
Ann
852 views
A whistle of frequency 490 Hz moves in a circle of radius 2.00 ft at an angular speed of 15.0 rad/s. What are the lowest and the
1 answer
asked by
Kyle
819 views
Plane sound wave of frequency 500 Hz fall normally on a smooth wall.At what distance from the wall will the air particles have
3 answers
asked by
Samundra
845 views
Hello to all the fantastic tutors! I'm stuck on this question, I was wondering if there is a way to solve this.
A car horn emits
2 answers
asked by
Tommy
845 views
1. A weatherman reports, "the storm waves are about 2 meters high and about 35 meters apart. "what properties of waves is the
7 answers
asked by
Hailee
2,412 views
1.A weatherman reports, “The storm waves are about 2 meters high and about 35 meters apart.” What properties of waves is the
4 answers
asked by
Tom
1,463 views
Two loudspeakers are placed above and below each other, as shown in the diagram below. The
speakers are driven at a frequency of
2 answers
asked by
WINNY
1,124 views
The decibel (dB) is defined as
dB= 10log (P2/P1), where P2 is the power of a particular signal. P1 is the power of some reference
2 answers
asked by
jj
951 views
how long will it take the sound of the starting gun to reach the ears of the sprinters if the starter is stationed at the finish
2 answers
asked by
roger
819 views
A plane flies at 1.25 times the speed. It's sonic boom reaches aman on the ground 1.00 min after the plan passes directly
2 answers
asked by
J
815 views
A woman is swimming when she hears the underwater sound wave from an exploding ship across the harbor. She immediately lifts her
7 answers
asked by
Malorie
787 views
A string under tension produces a note of frequency 14Hz. Determine the frequency when the tension is quadrupled????
2 answers
asked by
POPPY
761 views
If you are standing on the edge of a canyon and yell into the canyon, how long will it take the echo to return to you if the
1 answer
asked by
Ash
783 views
Two cars, one in front of the other, are traveling down the highway at 25 m/s. The car behind sounds its horn, which has a
1 answer
asked by
Katie
755 views
Suppose you are stopped for a traffic light, and an ambulance approaches you from behind with a speed of 19.0 m/s. The siren on
1 answer
asked by
Tessa
764 views
A student sets up two speakers spaced 2.5 meters apart, each playing the same tone of a single frequency. She stands at point P,
3 answers
asked by
elizabeth
744 views
Question about doppler effect:
How do you solve when it gives you percentage value? (Q 1) How do you calculate for doppler effect
1 answer
asked by
Tommy
750 views
An observer is located directly between two speakers, located 20m apart. The speakers are in phase with each other, and both are
2 answers
asked by
Robert
718 views
Two speakers driven in a phase by the same amplifier at a frequency of 640 Hz, are 7 m apart. A listener originally at the
1 answer
asked by
Anonymous
724 views
Ultrasound reflected from an oncoming bloodstream that is moving at 30 cm/s is mixed with the original frequency of 1.3 MHz to
1 answer
asked by
Angel
740 views
Hi guys hope someone here can maybe help me out.
Two loudspeakers are placed at either end of a gymnasium, both pointing toward
2 answers
asked by
Tommy
717 views
A police car is traveling east at 40.0 m/s along a straight road, overtaking a car ahead of it moving east at 30.0 m/s. The
2 answers
asked by
Keith
730 views
A sound source of frequency 170Hz is placed near a wall. A man walking from the source towards the wall. Find that there is a
2 answers
asked by
aynul
700 views
At the Indianapolis 500, you can measure the speed of cars just by listening to the difference in pitch of the engine noise
2 answers
asked by
tasha
701 views
Two loudspeakers are 2.42 m apart. A person stands 3.42 m from one speaker and 2.82 m from the other. What is the lowest
1 answer
asked by
Anonymous
673 views
PLEASE HELP! Specific hints would help alot
A train blows its whistle to warn traffic of its approach. The sound waves are moving
2 answers
asked by
Anxious
664 views
A cardboard tube of length 35.0cm fits snugly into a second cardboard tube of equal length.The outer tube is capped at one end.
3 answers
asked by
Markus
674 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
665 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
An attack submarine is at a depth of 560 feet below the surface and detects a ship on the surface with its sonar that is at a
1 answer
asked by
Mabel
635 views
Two identical sources S1 and S2 are moving towards an observer P. The two sound sources S1 and S2 produce notes of frequency
2 answers
asked by
shu yan
629 views
Pages
1
2
3
4
5
6
Parent Categories (4)
Physical Sciences
Physics
Science and Physics
Trigonometry