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Sound
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Questions (509)
A Question of engineering about Sound. How to calculate in step by step? Thank you.
The octave bands¡¦ Sound pressure levels in
1 answer
asked by
Kelvin
329 views
Name one similarity and one difference between pitch and loudness
1 answer
asked by
Ms.Vargas
378 views
Two identical tuning forks have frequencies of 512 Hz. If one is held by a listener while the other approaches at a speed of 7.2
1 answer
asked by
lindsey
371 views
A bat moving at 6.5 m/s is chasing a flying
insect. The bat emits a 37 kHz chirp and receives back an echo at 37.65 kHz. At what
2 answers
asked by
maura
826 views
An interstate highway has been built though a poor neighborhood in a city. In the afternoon, the sound level in a rented room is
2 answers
asked by
Anonymous
549 views
Two pipes of equal length are each open at one end. Each has a fundamental frequency of 715 Hz at 300 K. In one pipe the air
1 answer
asked by
Mary
936 views
A microphone has an area of 3.0cm^2. It receives during a 6.00s time period a sound energy of 1.0x10-11J. What is the intensity
1 answer
asked by
sarah
444 views
An excited child in a campground lets out a yell. Her parent, 1.31 m away, hears it as a 89.3-dB sound. A climber sits 701 m
1 answer
asked by
bülent
346 views
-80 decibels more than or less than -20 decibels??
1 answer
asked by
rawr... im a dinosaur.... rawr
306 views
For a speaker whose sound power output is 140 dB, the distance from the speaker at which the sound level will be reduced to 85
2 answers
asked by
Kristen
512 views
Here's the question:
You are attending a very loud concert. To avoid permanent ear damage, you decide to move farther from the
1 answer
asked by
Tim
482 views
the pitch of a race cars motor sounds higher as it approaches an observer and sound slower when it travels away this is an
3 answers
asked by
ELA,Math,SS, and Sci question speedrunner
31 views
What is the main factor affecting the speed of sound waves?
volume of sound pitch of sound amplitude of the sound wave properties
3 answers
asked by
ELA,Math,SS, and Sci question speedrunner
54 views
A train sounding its horn is approaching an observer. The pitch of the horn's sound relative to its normal pitch is???
3 answers
asked by
ali
848 views
The intensity (in W/m2) of one sound is 4.83 times as great as the intensity of another sound. Relative to the quieter sound,
3 answers
asked by
Hannah
594 views
As measured from centre ice, a single wildly cheering hockey fan can produce a sound intensity level of 60dB. What sound
2 answers
asked by
HelpMeWithPhysics
573 views
A decibel (dB) is the unit used to express the intensity of sound.True or false
3 answers
asked anonymously
29 views
The use of electronic devices to reduce sound transmission is known as:
Group of answer choices Impulsive noise reduction Active
3 answers
asked anonymously
49 views
Does this sound right?
The second band sounded so cacophonit? I need the sentence to include the word Cacophony.
7 answers
asked by
Alana
1,172 views
you visit the grand canyon on a particularly hot day and like all good tourists, you yell, Hello! Would you expect to hear the
2 answers
asked by
silly
486 views
Which household item is an example of energy being transferred as sound?(1 point)
An oven A pencil An alarm clock A lamp
3 answers
asked by
toto
42 views
A hunter is standing on flat ground between two vertical cliffs that are directly opposite one another. He is closer to one
1 answer
asked by
kya
933 views
At a distance of 30 m the noise from the engine of an jet has an intensity level of 130 dB.
At this level, you will be in pain
1 answer
asked by
Anon
485 views
By how many decibels does the sound intensity from a point source decrease if you increase the distance to it by a factor 6?
2 answers
asked by
Amanda
581 views
By how many decibels does the sound intensity from a point source decrease if you increase the distance to it by a factor 6?
2 answers
asked by
Molly
498 views
An ambulance is approaching at 80 mph (35.8 m/s). If the siren produces a continuous 400 Hz tone, what frequency do you hear?
2 answers
asked by
Traci
565 views
Sound, a form of energy can be modeled by using two distinctly different approaches.
a) Describe the propagation of sound energy
1 answer
asked by
Farah
507 views
At the stands of a racetrack, you notice smoke from the starter’s gun before you hear it fire. Explain.
4 answers
asked by
Laticia
1,842 views
A) What is the intensity of sound at 148 dB? Units: W/m^2. I found this to be 630.9573445 using Io*10^B/10 in which B= 148 dB.
B)
3 answers
asked by
Luricela
563 views
A bat flying in a cave emits a sound and receives its echo 0.25 s later. How far away is the cave wall?
2 answers
asked by
Ali
700 views
What is a high shrill sound ending with wh
1 answer
asked by
Matt
440 views
I have posted this question earlier as well but was unable to receive an answer. I don't know how to do this question at all, so
7 answers
asked by
jh
551 views
NEED HELP ASAP PLEASE!!
A high sound level of 120 dB is regarded as the threshold of pain for the average listener. If the
4 answers
asked by
jh
862 views
While blowing its horn of frequency 580 Hz, a car accelerates at 0.4 m/s2.
The car starts from rest by your side and moves away.
1 answer
asked by
Intensity
442 views
if the intensity of a mosquito's buzzing is 9.3 x 10^-8 W/m^2 at a distance of 0.21 m, how much sound power does that mosquito
1 answer
asked by
brielle
350 views
The back wall of an auditorium is 29.0 m from the stage. If you are seated in the middle row, how much time elapses between a
3 answers
asked by
Jimmy
659 views
I listed the questions with my answers. Are the answers correct? Thanks.
A railroad locomotive is a rest with its whistle
1 answer
asked by
Mary
718 views
The timbre of a sound is influenced by the number and strength of _______ that accompany
the pitch.
1 answer
asked by
Anonymous
351 views
but this is the last problem, so I'll be done after thins one. :) You're at a concert at a distance of 10m away from the band
1 answer
asked by
Ziyi
401 views
a thunderclap 200m away delivers 3.75E^-5 W/m^2 of sound.
What is the sound level in decibels? What is the intensity of the sound
1 answer
asked by
Valerie
395 views
A mountaineer estimates the depth of a crevasse by dropping a stone and listening for sound when the stone hits the bottom. The
3 answers
asked by
Ella
501 views
A boy is blowing a whistle of frequency 536 Hz and walking toward a wall with a speed of 1.64 m/s. What frequency of the
2 answers
asked by
Jon
534 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
567 views
The Doppler effect is a change in the ______of a sound.
pitch
1 answer
asked by
Jon
524 views
A baby's mouth is 30.0 cm from her father's ear and 1.50 m from her mother's ear. What is the difference between the sound
2 answers
asked by
Jen
591 views
sound travels about 340 m/s. The function d(t)=340t give distance d(t), in meter, that sound travels in t seconds. How far does
1 answer
asked by
jam
93 views
Publishing can include multimedia or multiple communication methods. Some types of multimedia are images, video, and _________.
(
2 answers
asked by
Kanna
95 views
Sound travels about 343 meters per second. The function d(t) = 343t gives the distance d(t) in meters that sound travels i
1 answer
asked by
trippie
111 views
A hiker determines the length of a lake by listening for the echo of her shout reflected by a cliff at the far end of the lake.
3 answers
asked by
storm
2,974 views
In which of the following situations is a sound wave most likely to travel through air?
A. An alarm clock rings in a vaccum. B. A
12 answers
asked by
Callie
2,671 views
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