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Waves and Sound
Page 5
Questions (295)
How far from a cliff should a boy stand in order to hear the echo of his clap 0.9s later? (Speed of sound in air = 330 ms-1)?
2 answers
asked by
Zobo
629 views
An organ pipe open at both ends has a harmonic with a frequency of 480 Hz. The next higher harmonic in the pipe has a frequency
1 answer
asked by
Rachel
645 views
Two tuning forks are sounded together. One has a frequency of 741 Hz and the other a frequency of 715 Hz. Calculate the beat
2 answers
asked by
Jay
610 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
613 views
okay for a) I got the answer as 11.67 seconds and did v=d/t and for b) i found that wavelength= 6km. Im confused how the 100 m
1 answer
asked by
Phil
629 views
The width of the doorway is 83 cm, and the speed of sound is 343 m/s. Find the diffraction angle when the frequency is each of
1 answer
asked by
Cavin
598 views
A jet engine produces a sound level of 150 dB from a distance of 30 m (assuming
spherical dissipation). The average human ear has
1 answer
asked by
Teagan
613 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
609 views
Both drawings show the same square, each of which has a side of length L = 0.86 m. An observer O is stationed at one corner of
1 answer
asked by
lamaye
603 views
An organ pipe is open at both ends. It is producing sound at its sixth harmonic, the frequency of which is 257 Hz. The speed of
1 answer
asked by
Coreen
609 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
603 views
In a lightning storm, the number of seconds between the flash and the bang varies directly with the number of miles you are from
3 answers
asked by
M
604 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
2 answers
asked by
Grace
610 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
586 views
A ship mapping the depth of the ocean emits a sound of 37 kHz. The sound travels to the ocean floor and returns 0.65 s later.
(a)
3 answers
asked by
Anonymous
586 views
Which of the following defines the wavelength of a wave?
* the loudness of waves that travel through the air the speed that a
1 answer
asked by
pe
38 views
An underwater sonar system uses mid-wavelength sound waves. These waves of 15 cm in wavelength propagate through seawater with
2 answers
asked by
Vlad
573 views
Sound travels around 340 m/s in air. If a bat squeaks and hears the echo of its squeak return to it 6 seconds later, how far
2 answers
asked by
Hannah
559 views
A tube is open only at one end. A certain harmonic produced by the tube has a frequency of 500 Hz. The next higher harmonic has
2 answers
asked by
Anonymous
577 views
An oceanic depth-sounding vessel surveys the
ocean bottom with ultrasonic waves that travel 1530 m/s in seawater. How deep is the
2 answers
asked by
Jac
576 views
The speed of sound is about 340 m/s. Assume that when the motion detector emits an ultrasonic pulse, it must detect the
4 answers
asked by
Priscilla
573 views
Wavelength in a Closed Column
Here is the prompt: We place a speaker near the top of a drinking glass. The speaker emits sound
2 answers
asked by
David
564 views
A car moving at 20m/s is sounding its horn as it approaches you. If the actual frequency of the horn is 283 Hz, what frequency
2 answers
asked by
Hannah
559 views
A bat at rest sends out ultrasonic sound waves at 51.1 and receives them returned from an object moving directly away from it at
2 answers
asked by
Randy
545 views
Two loudspeakers are 2.54 m apart. A person stands 3.04 m from one speaker and 3.50 m from the other. What is the lowest
2 answers
asked by
Student in Need
556 views
Suppose the sound is emitted uniformly in all directions by a public address system. The intensity at a location 22 m away from
2 answers
asked by
Joe
541 views
An oceanic depth-sounding vessel surveys the ocean bottom with ultrasound waves
that travel at 1530 m/s in seawater. The time
3 answers
asked by
LL
560 views
An organ pipe that is closed at one end has a fundamental frequency of 122 Hz. There is a leak in the church roof, and some
2 answers
asked by
Physics Help!
572 views
An organ pipe is 84 cm long and at a temperature of 20 degrees C. What is the fundamental (in Hertz) if the pipe is closed at
3 answers
asked by
BG
539 views
Two speakers send out sound in phase at a frequency of 779 Hz. When you are the same distance from both speakers you hear a
3 answers
asked by
Anonymous
561 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
547 views
What are the three longest wavelengths for standing sound waves in a 124-cm-long tube that is (a) open at both ends and (b) open
7 answers
asked by
SB
550 views
How do you find the wavelength of the fourth harmonic of a closed pipe with length 2m?
2 answers
asked by
Anonymus
520 views
A tube that is open on both ends is 4 meters long. Assuming that the speed of sound is 340m/s, find the following:
a) What is the
2 answers
asked by
Anonymous
537 views
Directly below on the floor is a stationary 428-Hz source of sound. The microphone vibrates up and down in simple harmonic
2 answers
asked by
Claire
516 views
Sound travles at a speed of 340 m/s how long does it take to travel 850 m
2 answers
asked by
Milly
507 views
What is the maximum broadcasting from a radio tower 1800 feet tall( approximately 0.34 mile)? The radius of Earth is
3 answers
asked by
Bo
514 views
Indicate true or false in each of the following statements:
1. a tube open at one end resonates with only odd harmonics 2. The
2 answers
asked by
Katie
544 views
A ship emits a sound wave to the bottom of the ocean in water, whose speed is 1150 m/s. It takes 3.25 seconds for the sound to
3 answers
asked by
Arianna
516 views
A ship mapping the depth of the ocean emits a sound of 37 kHz. The sound travels to the ocean floor and returns 0.65 s later.
(a)
2 answers
asked by
Anonymous
521 views
a source emits 1700Hz frequency travelling at a speed of 70m/s. A detector is placed 200m away. What is the frequency detected
1 answer
asked by
please Help urgentlyph
544 views
3. What happens to the speed of ocean waves as they come close to shore? How can this be explained from what you've learned so
1 answer
asked by
Manie
515 views
The speed of sound waves in air at 300K is 332 m/s. At what temperature will the speed be 574 m/s?
1 answer
asked by
Mini
489 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
513 views
iii. A sound source and a listener are both at rest on the earth, but a strong wind is blowing front the source toward the
1 answer
asked by
john
500 views
An airplane traveling at v = 163 m/s emits a sound of frequency 1730 Hz. At what frequency does a stationary listener hear the
2 answers
asked by
May
508 views
In a resonance-tube containing air, the source of sound is a small loudspeaker driven by a variable-frequency oscillator. The
1 answer
asked by
Priscy
503 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
2 answers
asked by
Mabel
508 views
A 680 Hz tuning fork is held over a long vertical tube full of water. If the tube is 1.00 m long, how many resonances will be
3 answers
asked by
Princess
499 views
The velocity of sound in the atmosphere is c=300 m/s. An airplane is traveling with velocity v=600 m/s at an altitude of h=8 km
2 answers
asked by
help
540 views
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Parent Categories (4)
Physical Sciences
Physics
Science and Physics
Trigonometry