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April 17, 2014

Search: Physics: waves

Number of results: 109,253

physics
An earthquake generates three kinds of waves: surface waves (L waves), which are the slowest and weakest; shear (S) waves, which are transverse waves and carry most of the energy; and pressure (P) waves, which are longitudinal waves and travel the fastest. The speed of P waves...
Monday, October 24, 2011 at 8:18am by fiko

physics
An earthquake generates three kinds of waves: surface waves (L waves), which are the slowest and weakest; shear (S) waves, which are transverse waves and carry most of the energy; and pressure (P) waves, which are longitudinal waves and travel the fastest. The speed of P waves...
Monday, October 24, 2011 at 9:28am by maria

physics
An earthquake generates three kinds of waves: surface waves (L waves), which are the slowest and weakest; shear (S) waves, which are transverse waves and carry most of the energy; and pressure (P) waves, which are longitudinal waves and travel the fastest. The speed of P waves...
Monday, October 24, 2011 at 6:09pm by maria

physics
An earthquake generates three kinds of waves: surface waves (L waves), which are the slowest and weakest; shear (S) waves, which are transverse waves and carry most of the energy; and pressure (P) waves, which are longitudinal waves and travel the fastest. The speed of P waves...
Monday, October 24, 2011 at 9:28am by maria

physics
An earthquake generates three kinds of waves: surface waves (L waves), which are the slowest and weakest; shear (S) waves, which are transverse waves and carry most of the energy; and pressure (P) waves, which are longitudinal waves and travel the fastest. The speed of P waves...
Monday, October 24, 2011 at 9:28am by maria

physics
An earthquake generates three kinds of waves: surface waves (L waves), which are the slowest and weakest; shear (S) waves, which are transverse waves and carry most of the energy; and pressure (P) waves, which are longitudinal waves and travel the fastest. The speed of P waves...
Monday, October 24, 2011 at 4:44pm by maria

PHYSICS - Waves
Can someone tell me how to get the answer to this question? Just a formula would be great. It's on my physics study guide for my unit test. Sound waves with a wavelength of 2.5 m are traveling 7.5 m/s. How many waves will pass a microphone in 10.0 s? (Answer 30 waves)
Tuesday, April 9, 2013 at 6:01pm by Diana

Physics Waves
Earthquakes are essentially sound waves traveling through the earth. They are called seismic waves. Because the earth is solid, it can support both longitudinal and transverse seismic waves. These travel at different speeds. The speed of longitudinal waves, called P waves, is...
Wednesday, April 21, 2010 at 6:31pm by Mike

physics
Earthquakes are essentially sound waves—called seismic waves—traveling through the earth. Because the earth is solid, it can support both longitudinal and transverse seismic waves. The speed of longitudinal waves, called P waves, is 7800m/s . Transverse waves, called S waves, ...
Monday, April 7, 2014 at 4:36pm by Kate

sicence
Surface waves cause the most damage, but they are ironically called _____. Loose waves Love waves Light waves Lemon waves
Tuesday, December 1, 2009 at 5:13pm by justin

physics
Earthquakes are essentially sound waves travelling through the earth. They are called seismic waves. Because the earth is solid, it can support both longitudinal and transverse sismic waves, which travel at different speeds. The speed of longitudinal waves, called P waves, is ...
Friday, November 21, 2008 at 7:42pm by Anonymous

Physics
Earthquakes are essentially sound waves travelling through the earth. They are called seismic waves. Because the earth is solid, it can support both longitudinal and transverse sismic waves, which travel at different speeds. The speed of longitudinal waves, called P waves, is ...
Monday, November 22, 2010 at 12:50pm by Stella

Physics
Earthquakes are essentially sound waves travelling through the earth. They are called seismic waves. Because the earth is solid, it can support both longitudinal and transverse sismic waves, which travel at different speeds. The speed of longitudinal waves, called P waves, is ...
Tuesday, November 23, 2010 at 1:29am by Patrick

Physics
Earthquakes are essentially sound waves travelling through the earth. They are called seismic waves. Because the earth is solid, it can support both longitudinal and transverse sismic waves, which travel at different speeds. The speed of longitudinal waves, called P waves, is ...
Tuesday, November 23, 2010 at 4:46pm by Mike

Physics
The speed of longitudinal waves, called P waves, is 7274.0 m/s. Transverse waves, called S waves, travel at a slower 3803.0 m/s. A seismograph records the two waves from a distant earthquake. If the S wave arrives 4.47 min after the P wave, how far away was the earthquake?
Tuesday, November 23, 2010 at 12:41pm by Pete

Physics HELP!!
Earthquakes are essentially sound waves travelling through the earth. They are called seismic waves. Because the earth is solid, it can support both longitudinal and transverse sismic waves, which travel at different speeds. The speed of longitudinal waves, called P waves, is ...
Wednesday, November 21, 2012 at 11:39am by sarah

PHYSICS - Waves
Can someone tell me how to get the answer to this question? Just a formula would be great. It's on my physics study guide for my unit test. If 3 sound waves pass a microphone in 4.0 s while traveling 5.0 m/s, what is the wavelength of the waves? (6.67 m)
Tuesday, April 9, 2013 at 6:06pm by Diana

Physics
A pond is 12 metres across. The crests of two successive waves are 60.0 cm apart and they each move across the pond in 15 seconds. a)What is the velocity of the waves? b)What is the frequency of the waves? c)What is the period of the waves?
Sunday, February 24, 2013 at 12:01am by Mark

Science
P waves (or "longitudinal waves") travel through fluids, and solids. They are compression waves and rely on the compressional strength and elasticity of the materials to propagate. They are known as body waves because they travel though the body of a material in all directions...
Wednesday, November 14, 2007 at 10:40pm by Alicia

physics
while watching ocean waves at the dock of the bay. otis notices that 10 waves pass beneath him in 30 seconds. he also notices that the crests of succesive waves exactly coincide with the posts that are 5 meters apart. what are the period frequency wavelength and speed of the ...
Friday, February 11, 2011 at 6:39pm by charlie

Physics
While watching ocean waves at the dock of the bay, Otis notices that 10 waves pass beneath him in 30 seconds. He also notices that the crests of successive waves exactly coincide with the posts that are 5 meters apart. What are the period, frequency, wavelength, and speed of ...
Monday, March 14, 2011 at 7:34pm by Shannon

physics
Which of the following conditions is not necessary to observe an interference pattern between two sets of waves? Choose one answer. a. The waves must have the same wavelength. b. The waves must have a constant phase difference. c. The waves must have the same amplitude. d. ...
Sunday, April 17, 2011 at 10:32pm by ashley --

Phsyics Waves
Earthquakes are essentially sound waves traveling through the earth. They are called seismic waves. Because the earth is solid, it can support both longitudinal and transverse seismic waves. These travel at different speeds. The speed of longitudinal waves, called P waves, is ...
Sunday, April 25, 2010 at 5:25pm by Michael Moskvich

sicence
Loose waves Love waves Light waves Lemon waves
Tuesday, December 1, 2009 at 5:13pm by george

Physics
Which of the following are not transverse waves? a) Wind (Airy) waves on the ocean. b) Water ripples in a small pool. c) Microwaves inside a microwave oven. d) Vibrations travelling on the string of a guitar. e) Radio waves travelling through space. f) Vibrations travelling on...
Wednesday, May 18, 2011 at 9:04pm by Brandy

Physics
Which of the following is correct for the two coherent light waves to produce zero light? The light waves should travel in perpendicular directions. The light waves are in phase with each other. The light waves are out of phase with each other. The light waves should pass ...
Friday, October 19, 2012 at 2:04pm by Blah

Physics
Standing waves are produced in a string that is 4.0 m long. If the waves are travelling at 125 cm/s and the distance between the first and the fifth nodes is 80.0 cm, find the frequency of the waves.
Tuesday, November 25, 2008 at 8:58pm by Lizzie

Physics
The velocity of the transverse waves produced by an earthquake is 7 km/s, while that of the longitudinal waves is 11.41 km/s. A seismo- graph records the arrival of the transverse waves 51.1 s after that of the longitudinal waves. How far away was the earthquake?
Wednesday, September 26, 2012 at 10:20pm by Evelyn

Physics
The velocity of the transverse waves produced by an earthquake is 7.2 km/s, while that of the longitudinal waves is 4.2 km/s. A seismograph records the arrival of the transverse waves 68 s before that of the longitudinal waves. How far away was the earthquake?
Friday, December 14, 2007 at 5:50pm by Einstein

Physics
The velocity of the transverse waves produced by an earthquake is 5.08 km/s, while that of the longitudinal waves is 8.3312 km/s. A seismograph records the arrival of the transverse waves 55.9 s after that of the longitudinal waves. How far away was the earthquake? Answer in ...
Sunday, May 8, 2011 at 1:52am by Laura

physics
Earthquakes produce several types of shock waves. The most well-known are the P-waves (P for primary or pressure) and the S-waves (S for secondary or shear). In the earth's crust, the P-waves travel at around 6.5 km/s while the S-waves move at about 3.5 km/s. The actual speeds...
Thursday, June 30, 2011 at 4:56pm by mikeM

science please help
Sources and uses for the following: Radio waves Microwaves Infrared Waves Visible Light Waves Ultraviolet Waves X-Rays Gamma rays
Wednesday, October 30, 2013 at 10:53pm by Unknown

Physics
Radio waves are electromagnetic waves that travel at a speed of 3.00 108 m/s, the speed of light. An AM radio station has an assigned frequency of 1350 kHz, which means that the radio waves broadcast by the station are at this frequency. Find the wavelength of these radio waves.
Sunday, April 22, 2012 at 7:36pm by Alex

Physics
You are standing on the beach and you notice 4 waves travel over your feet in 8 seconds. Your friend is 4 meteres from you in the water and you count 3 waves between you. How fast do the waves travel on the water?
Sunday, May 1, 2011 at 12:29pm by conner

Physics
You dip your finger into a pan of water twice each second, producing waves with crests that are separated by 0.15 m. a) determine frequency of these water waves in units of Hz?? b) determine the period of these water waves in units of s. ?? c) determine the speed of these ...
Tuesday, February 24, 2009 at 9:50pm by Bob

physics
Water waves in a shallow dish are 5.0 cm long. At one point, the water moves up and down at a rate of 5.2 oscillations per second. (a) What is the speed of the water waves? (b) What is the period of the water waves?
Tuesday, April 22, 2008 at 6:27pm by phillup

physics
wonder waves in shallow yellow dA.isc are 6.0 cm long. at one point, the water oscillates up and down at a rate of 4.8 of oscillations per second. A. what is the speed of the water waves? B. what is the period Of water waves?
Tuesday, March 12, 2013 at 7:44pm by Jordan

physics
The subject is physics. A "physic" is a laxative. Germans use the singular, Physik. Sound and water waves are examples of mechanical waves.
Monday, January 31, 2011 at 7:02pm by drwls

physics
The velocity of the transverse waves produced by an earthquake is 8.9 km/s, and that of the longitudinal waves is 5.1 km/s. A seismograph records the arrival of the transverse waves 68 s before the arrival of the longitudinal waves. How far away was the earthquake?
Saturday, November 26, 2011 at 2:50pm by Ashley

Physics
On December 26, 2004, a great earthquake occurred off the coast of Sumatra and triggered immense waves that killed hundreds of thousands of people. Satellites observing these waves from space measured 800 km from one wave crest to the next and a period between waves of 1.0 ...
Wednesday, July 14, 2010 at 12:56pm by Anonymous

physics
Radio waves are able to diffract readily around buildings, as anybody with a portable radio receiver can verify. However, light waves, which are also electromagnetic waves, undergo no discernible diffraction around buildings. Why not?
Thursday, June 26, 2008 at 5:28pm by Anonymous

Physics
longitudinal waves ->move in the ____________as the medium movement. transverse waves-> move____________to the medium movement. Waves transfer_______ without transfering_____
Saturday, June 6, 2009 at 9:35am by Tara

physics
Which has the longest wavelengths-light waves, x-rays, or radio waves?
Saturday, December 8, 2007 at 1:14pm by Anonymous

physics
Radio waves, light and X-rays, electromagnetic waves
Wednesday, February 3, 2010 at 4:13pm by oumayma

physics -- waves
How does rarefraction affects the frequency of waves ?
Friday, April 1, 2011 at 9:16pm by ashley --- HELP PLEASEE!!!

science
S waves are slower than P waves, and speeds are typically around 10% of that of P waves in any given material.
Monday, November 14, 2011 at 1:05am by Damon

physics
Which of the following are not transverse waves? a) Water ripples in a small pool. b) Sound waves traveling through water. c) Radio waves traveling through space. d) Microwaves inside a microwave oven. e) The vibrations on the surface of a drum.
Friday, January 15, 2010 at 11:54pm by hilary

Science
What is the difference between p-waves, s-waves, and surface waves? Which do the most damage? Please and thank you!
Wednesday, November 14, 2007 at 10:40pm by Autumn

physics
While watching ocean waves at the dock of the bay, Otis notices that 8 waves pass beneath him in 30 seconds. He also notices that the crests of successive waves exactly coincide with the posts that are 3 meters apart. What are the period, frequency, wavelength, and speed of ...
Monday, February 28, 2011 at 6:32pm by haylee

Waves and the Media
What do mechanical waves such as sound need that electromagnetic waves do not?
Sunday, March 24, 2013 at 12:21am by Anonymous

science
If radio waves are not compressional waves,like sund waves, what is their role in enabling us to hear music?
Tuesday, December 4, 2007 at 8:47pm by Juliann

physics
Suppose the water waves have a velocity of 1.2m/s and wavelength of 2.4m What is the frequency of the waves?
Thursday, March 22, 2012 at 4:07pm by ******tasha******

physics
As we examine waves on a water surface we notice that 34 waves pass in 54.4 s. We also notice that the distance between the third wave crest and the ninth wave crest is 22.3 cm. How far will these waves travel in 1.50 min?
Tuesday, April 17, 2012 at 4:46pm by acrid

Physics
While watching ocean waves at the dock of the bay, Otis notices that 13 waves pass beneath him in 26 seconds. He also notices that the crests of successive waves exactly coincide with the posts that are 5 meters apart. What are the period, frequency, wavelength, and speed of ...
Monday, February 28, 2011 at 11:02pm by Kevin

physics
A group of swimmers is resting in the sun on an off shore raft. They estimate that 1.1m separates a trough and an adjacent crest of surface waves on the lake. In addition, they count 23 crests that pass by the raft in 15.7seconds. What is the frequency of these surface waves? ...
Sunday, March 13, 2011 at 10:16pm by suzanne

physics
While watching ocean waves at the dock of the bay, Otis notices that 13 waves pass beneath him in 32 seconds. He also notices that the crests of successive waves exactly coincide with the posts that are 7 meters apart. What are the period, frequency, wavelength, and speed of ...
Thursday, April 14, 2011 at 11:19pm by anna

Physics
In our everyday environment, diffraction is much more evident for sound waves than for light waves. Why is this so?
Saturday, March 22, 2008 at 2:57pm by Emily

physics
A chain of ocean waves crests at 35m apart , 15 miles/hr. What is the frequency of the waves?
Wednesday, September 19, 2012 at 8:57pm by Terri

science
Which of the following travels the fastest? sound waves in air, sonar, microwave radiation, waves produced by a sonic boom, Ultrasonic waves?
Saturday, April 30, 2011 at 2:14pm by Anonymous

physics
What vibrates in the following types of wave motions (i) light waves. (ii) sound waves. (iii) x-rays.
Tuesday, March 23, 2010 at 9:55pm by Edwin

physiiics
Which of the following is correct for the two coherent light waves to produce zero light? The light waves should travel in perpendicular directions. The light waves are in phase with each other The light waves are out of phase with each other. The light waves should pass ...
Monday, February 11, 2013 at 9:34pm by ooommgggg

physics
Earthquakes are motions of the earth's crust. Essentially, they are big sound waves that travel through the earth. There are two types of waves. The first type is called a longitudinal or P wave, where the earth compresses in the same direction as the wave travels. The second ...
Thursday, May 9, 2013 at 2:55am by rohit

Physics
Please Help! In our everyday environment, diffraction is much more evident for sound waves than for light waves. Why is this true?
Thursday, May 13, 2010 at 1:32am by Katie

physics
if two waves mix while moving, will one delay the other? a) yes b) no c) sometimes d) only for sound waves
Saturday, August 25, 2012 at 1:32am by hanan needs you

physics
The velocity of waves on a string is 97 m/s. If the frequency of standing waves is 476 Hz, how far apart are two adjacent nodes?
Sunday, May 1, 2011 at 10:09pm by perry

Physics
Wave amplitude is a measure of the amount that a physical property varies when there is wave motion. For sound waves, it is a measure of the pressure variation. For water waves, it is the height of the waves. For light, it is the amount that the electric field varies back and ...
Friday, July 9, 2010 at 12:11am by drwls

Physics
Part(1 of 3) You dip your finger into a pan of water twice each second, producing waves with crests that are separated by 0.17 m. Determine the frequency of these water waves. Answer in units of Hz Part(2 of 3) Determine the period of these water waves. Answer in units ...
Wednesday, February 15, 2012 at 8:13pm by Angel

physics -- waves
Rarefactions occur at intervals of one wavelength, in the case of sound waves. They are part of the wave phenomenon itself and do not affect the frequency.
Friday, April 1, 2011 at 9:16pm by drwls

physics
Longitudinal waves in a spring have a wavelength of 50mm.The vibrator making them is vibrating at 5 oscillations per second. Calculate the speed of the waves.
Monday, April 8, 2013 at 12:31pm by Percy

physics
Longitudinal waves in a spring have a wavelength of 50mm.The vibrator making them is vibrating at 5 oscillations per second. Calculate the speed of the waves.
Monday, April 8, 2013 at 12:32pm by Percy

physics
Radio waves of frequency 30 kHz are received at a location 1500 km from a transmitter. The radio reception temporarily “fades” due to destructive interference between the waves travelling parallel to the ground and the waves reflected from a layer (ionosphere) of the earth’s ...
Friday, December 14, 2012 at 7:07pm by amy

physics
In a double-slit experiment, two beams of coherent light traveling different paths arrive on a screen some distance away. What is the path difference between the two waves corresponding to the third bright band out from the central bright band? The path difference between the ...
Saturday, March 22, 2014 at 12:44pm by Anonymous

Science
I need 3 examples of mechanical waves. I have seismic, and ocean waves. Are their any other examples besides these and sound waves?
Friday, April 13, 2012 at 6:39pm by Alyonka

science
Radio waves travel through the air to a receiver. It's the receiver's job to pick up the electromagnetic waves and transform them into sound waves which we can hear with our ears. Electromagnetic waves also transmit the pictures that we receive on our TVs. Also the cell phones...
Tuesday, December 4, 2007 at 8:47pm by DrBob222

Physical Science
In a longitudinal wave the particle displacement is parallel to the direction of wave propagation. In a transverse wave the particle displacement is perpendicular to the direction of wave propagation. Longitudinal waves can propagate through either solid , fluid and gas media...
Monday, April 2, 2012 at 4:53pm by Elena

physics
Suppose you notice 6.3 ocean waves pass by a buoy in 26.3 seconds. What is the frequency of the ocean waves?
Sunday, March 13, 2011 at 10:19pm by mark

Physics
As the frequency of sound waves increases, the wavelength of the sound waves decreases true or false?
Sunday, December 9, 2007 at 8:07pm by taylor

physics
Water waves in a lake travel 4.5 m in 1.7 s. The period of oscillation is 1.2 s. (a) What is the speed of the water waves? (b) What is their wavelength?
Friday, February 1, 2013 at 3:38pm by noah

physics
Suppose that water waves coming into a dock have a velocity of 1.0 m/s and a wavelength of 2.2 m. With what frequency do these waves meet the dock?
Monday, December 6, 2010 at 9:41pm by judy

Science (please help)
There is an excellent animated illustration of the various type so seismic waves, and liquid surface waves, at http://www.kettering.edu/~drussell/Demos/waves/wavemotion.html S-waves are transverse waves, in which molecular motion is perpendicular to the direction of ...
Friday, May 29, 2009 at 11:06pm by drwls

Physics
A radio station broadcasts at a frequency of 600 kHz. Knowing that radio waves have a speed of 3.00 x 10^8 m/s, what is the wavelength of these waves?
Tuesday, April 10, 2007 at 11:45pm by Anonymous

Physics
Ocean waves are traveling to the east at 4.3 m/s with a distance of 22 m between crests. (a) With what frequency do the waves hit the front of a boat when the boat is at anchor?
Sunday, February 3, 2013 at 11:35am by Anonymous

math
Earthquakes produce several types of shock waves. The most well-known are the P-waves (P for primary or pressure) and the S-waves (S for secondary or shear). In the earth's crust, the P-waves travel at around 6.5 km/s while the S-waves move at about 3.5 km/s. The actual speeds...
Thursday, June 30, 2011 at 4:57pm by mikeM

Physics
"Vibrators A and B are sources of waves with different wavelengths and they are placed close to one another in a ripple tank. Waves from source A have a wavelength of 8.0cm while those from B have a wavelength of 10cm. The waves start out in phase with each other. For each ...
Wednesday, July 21, 2010 at 4:13pm by Stuck

physics
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 the sound waves at point x when r = 11.8 m?
Wednesday, February 12, 2014 at 5:21pm by katie

physics
A stereo speaker represented by P in Figure 13-22 emits sound waves with a power output of 130.0 W. What is the intensity of the sound waves at point x when r = 7.8 m? W/m2
Saturday, March 12, 2011 at 11:14pm by unknown

Physics
An FM radio station broadcasts electromagnetic waves at a frequency of 1.08 × 10§ hertz. The speed of these waves is 3.0 × 10§ meters/second. Find the wavelength.
Thursday, July 5, 2012 at 8:20am by Dave

Science
Thank you for using the Jiskha Homework Help Forum. There may or may not be sound, but here's the better answer: http://www.gcse.com/waves/waves.htm
Wednesday, October 17, 2007 at 6:47pm by SraJMcGin

physics
1.)A rock at the blank of a coast is struck by water waves.find the frequency of the waves striking the rock,if the distance between two consecutive crests or troughs is 100m.velocity of water wave is 150m/sec. 2.)the timeperiod of a vibrating body is 0.1sec.the waves produced...
Friday, May 18, 2012 at 4:50am by srikar

physics
You dip your finger into a pan of water twice each second, producing waves with crests that are separated by 0.15 m. Determine the frequency, period, and speed of these water waves.
Sunday, May 30, 2010 at 7:21pm by Dominique

Physics
There is a 1.2 m distance between a crest and an adjacent trough in a series of waves on the surface of a lake. In 30s, 35 crests pass a buoy anchored in the lake. What is the speed of these waves?
Monday, December 6, 2010 at 10:11pm by Lily

Physics
There is a 1.2 m distance between a crest and an adjacent trough in a series of waves on the surface of a lake. In 30s, 35 crests pass a buoy anchored in the lake. What is the speed of these waves?
Monday, December 6, 2010 at 11:49pm by Lily

Physics
Identical points on two harmonic waves with the same wavelength (.65 meters) and frequency are separated by a distance of .15 meters. What is the phase difference between the waves?
Saturday, January 26, 2013 at 9:12pm by Nick

Physics
Identical points on two harmonic waves with the same wavelength (0.65 meters) and frequency are the separated by a distance of 0.15 meters. What is the phase difference between the waves?
Sunday, January 27, 2013 at 11:15am by Kristy

Physics
While watching ocean waves at the dock of the bay, Otis notices that 9 waves pass beneath him in 28 seconds. He also notices that the crests of successive waves exactly coincide with the posts that are 5 meters apart. What are the period, frequency, wavelength, and speed of ...
Monday, March 14, 2011 at 8:17pm by Smithy

Physics
A string along which waves can travel is 2.5 m long and has a mass of 300 g. The tension in the string is 72 N. What must be the frequency of traveling waves of amplitude 6.6 mm for the average power to be 68 W?
Thursday, January 21, 2010 at 9:01pm by Shawna

physics
A certain FM radio station broadcasts jazz music at a frequency of 90.7 MHz. (Radio waves are electromagnetic)? Find the waves period? I got 1.1*10^-8 and it is not right.
Monday, April 12, 2010 at 12:01pm by phill

Physics
An FM radio station broadcasts at 82.3MHz. Determine the period of the radio waves. I already go the answer: 1.22×10-8 s but help me with part b please!!! b). What is the wavelength of the waves?
Saturday, November 24, 2012 at 11:35am by rory

Physics
Electromagnetic waves can form standing waves. In a standing wave pattern formed from microwaves, the distance between a node and an adjacent antinode is 0.63 cm. What is the microwave frequency? any help is much appreciated
Friday, November 23, 2012 at 9:44pm by Alex

Physics
Question:In the field of telecommunications, sound waves are sent to faraway places with the help of a kind of electromagnetic wave. Explain, by using a block diagram, how sound waves can be transmitted over long distances.
Sunday, October 20, 2013 at 11:17am by Kindra

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