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Sound waves
Page 8
Questions (1,085)
A car sounds its horn (502 Hz) as it approachs a pedestrian by the side of the road. The pedestrian has perfect pitch and
2 answers
asked by
Melissa
1,259 views
A bat flies toward a wall at a speed of 3.5 m/s. As it flies, the bat emits an ultrasonic sound wave with frequency 30.5 kHz.
1 answer
asked by
BRANDY
1,251 views
what is audible range of frequencies of sound in humans?calculate the corresponding range of audible wavelengths.
2 answers
asked by
naila
1,227 views
A stereo speaker emits sound waves with a power output of 100W. (a) find the intensity 10.0m from the source. B) find the
1 answer
asked by
sammy
1,227 views
What are the first, second, and third frequencies audible from a 20 cm long organ pipe when (A) only one end is open and when
3 answers
asked by
ashley --
1,215 views
Both drawings show the same square, each of which has a side of length L=0.75 m. An observer O is stationed at one corner of
2 answers
asked by
Vivien
1,232 views
which of the following properties of a sound wave determines its pitch: wavelength, speed, amplitude, or frequency?
Plese show
2 answers
asked by
silly
1,179 views
What is the longest wavelength for standing sound waves in a 108.0 cm long tube that is open at both ends?
What is the second
1 answer
asked by
Mike
1,170 views
1. The images above show particles in a medium. Which of the following shows the worst conditions for a sound wave travel?
A B C
10 answers
asked by
Unknown
1,193 views
Two loudspeakers emit sound waves along the x-axis. The sound has maximum intensity when the speakers are 14.0 cm apart. The
2 answers
asked by
Anonymous
1,167 views
what is the speed of a sound wave if its frequency s 160 hertz and its wavelength is 2.2m?
2 answers
asked by
aatqa
1,122 views
A speaker which produces a frequency of 312 Hz is moving away from an observer and towards a wall at 3 m/s when it is 30 degrees
3 answers
asked by
Doppler
1,151 views
Sound waves are traveling through the air. Every ½ second, the sound waves pass a detector. Which of the following choices
4 answers
asked by
Jessica
1,166 views
Two identical loudspeakers are 2 m apart. A person stands 4.6 m from one speaker and 3.4 m from the other. What is the lowest
1 answer
asked by
Joshua
1,140 views
2 Questions.
1. If you wished to produce a sound with a wavelenght in air equal to the length of the room, 10m, what would be its
1 answer
asked by
Trey
1,137 views
Sound travels about 343 meters per second. The function d(t) = 343t gives the distance d(t) in meters that sound travels in t
1 answer
asked by
josie
55 views
1)As a sound source moves away from a stationary observer, the number of waves will.
decrease 2)How fast should a car move toward
5 answers
asked by
Jon
1,176 views
What frequency would you need to produce a sound wave in room-temperature air with a wavelength of 9 m?
the answer in Hz
2 answers
asked by
michelle
1,140 views
A stereo speaker represented by P in the figure below emits sound waves with a power output of 114 W. What is the intensity of
1 answer
asked by
katie
1,109 views
You want to make an open-ended flute, open at both ends, with fundamental frequency (lowest pitch sound it produces) of 680 Hz.
2 answers
asked by
ECU
1,098 views
A man fires a gun 150m from a cliff. A second man who is standing 300m further away from the cliff hears the gun 1 second after
3 answers
asked by
surbhi
1,078 views
One closed pipe organ has a length of 2.5 m.
The frequency of the note is 34.3 Hz. When a second pipe is played at the same time,
2 answers
asked by
Einstein
1,089 views
Resonance of sound waves can be produced within an aluminum rod by holding the rod at its midpoint and stroking it with an
2 answers
asked by
Erica--help!
1,054 views
a violin string emits sound of freqency 510Hz.how for will be the sound waves reach when string completes 250vibration?the
2 answers
asked by
value
1,055 views
A vibrating 1000-hertz tuning fork produces sound waves that travel at 340 meters per second in air. Points A and B are some
2 answers
asked by
Priscilla
1,066 views
A bat flying in a cave emits a sound and receives its echo 0.1 s later. Show that it's distance from the cave wall is 19 m.
1 answer
asked by
John
1,034 views
A college student is at a concert and really wants to hear the music, so she sits between two in-phase loudspeakers, which point
1 answer
asked by
maria
1,047 views
When a metal pipe (open at both ends) is cut into two pieces, the lowest resonance frequency in one piece is 273 Hz and that for
1 answer
asked by
Anonymous
1,034 views
If the amplitude of a sound wave is quadrupled, by what factor will the intensity increase?
2 answers
asked by
Student in Need
1,017 views
Imagine you are in an open field where two loudspeakers are set up and connected to the same amplifier so that they emit sound
2 answers
asked by
Mike
1,024 views
The amplitude of a sound wave is measured in terms of its maximum gauge pressure. By what factor does the amplitude of a sound
2 answers
asked by
Justin
996 views
A whistle you use to call your hunting dog has a frequency of 24 kHz, but your dog is ignoring it. You suspect the whistle may
3 answers
asked by
AP
1,007 views
The air pressure variations in a sound wave cause the eardrum to vibrate. Find the maximum velocity and acceleration of the
3 answers
asked by
mike
991 views
The frequency of an ambulance siren is 700 Hz. If a pedestrian on the side of the road hears the siren at 756 Hz approximately
3 answers
asked by
Jane
991 views
For long range communication an elephant uses a low frequency rumble that is undetectable to human ears. One elephant can pick
2 answers
asked by
jessica
971 views
A bat emits a sound whose frequency is 83.2 kHz. The speed of sound in air at 20.0 oC is 343 m/s. However, the air temperature
3 answers
asked by
Orla
976 views
at a distance of 3.8 m from a siren, the sound intensity is 3.6 x 10-2 W/m2. Assuming that the siren radiates sound uniformly in
1 answer
asked by
Joe
976 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
nick
976 views
I was so confused by this question!! Any advice??
Suppose at a concert a singer’s voice is a radio broadcast all the wave
2 answers
asked by
Lizzie
937 views
the wavelength of the sound emitted by a dog is 0.009 m ; what is the frequency of the whistle ? ( use the formula : V=
3 answers
asked by
ciang
916 views
Bats chirp at a high frequency which humans cannot hear. They use the echoes to detect small objects, such as insects, as small
4 answers
asked by
Steven
926 views
A violin string vibrates at 196 hz. what frequency will if vibrate with if it is fingered at 1/4 of its length?
Four times as
2 answers
asked by
Alex
934 views
a flying bat emits squeaks of frequency 80 kHz.if a stationary observer hears the frequency of the squeaks as 78kHz,is the bat
3 answers
asked by
precious
914 views
The security alarm on a parked car goes off and produces a frequency of 1370 Hz. The speed of sound is 343 m/s. As you drive
3 answers
asked by
Anonymous
904 views
Two Train whistles, A and B each have a frequency of 408Hz. A is stationary and B is moving toward the right (away from A) at a
2 answers
asked by
tre
905 views
Suppose at a concert a singers voice is radio broadcast all the way around the world before reaching the radio you hold to your
3 answers
asked by
Grace
873 views
Sound travels about 340 m/s
The function d(t)= 340 t gives the distance d(t) in meters that sound travels t seconds how far does
3 answers
asked by
Anonymous
889 views
A bat flying in a cave emits a sound and receives its echo 1 s later. How far away is the cave wall?
is it 340.29 m? the speed of
2 answers
asked by
Courtney
895 views
The observed frequency of a train whistle is 513Hz as it approaches a stationary observer and is 432Hz as it recedes.
Find the
2 answers
asked by
maryam
878 views
What is the wavelength of a 600Hz sound wave ( assume the speed of sound is 340 m/s )?
2 answers
asked by
Anonymous
864 views
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Parent Categories (26)
Acoustics
Communication
Energy and Power
Mechanical Waves
Mechanics
Music
Physical Science
Physics
Physics of Sound
Physics, Sub-sub-category: Sound Waves
Physics/Science
Properties of Matter
Properties of Waves
Reflection of Waves
Science
Science and Physics
Science and Technology
Wave Mechanics
Wave phenomena
Wave Properties
Waves
Waves and Acoustics
Waves and Frequency
Waves and Optics
Waves and Oscillations
Waves and Vibrations