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August 30, 2014

Search: Physics - Waves

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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...
October 24, 2011 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...
October 24, 2011 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...
October 24, 2011 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...
October 24, 2011 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)
April 9, 2013 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...
April 21, 2010 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, ...
April 7, 2014 by Kate

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 ...
November 21, 2008 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 ...
November 22, 2010 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 ...
November 23, 2010 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 ...
November 23, 2010 by Mike

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 ...
November 21, 2012 by sarah

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?
November 23, 2010 by Pete

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)
April 9, 2013 by Diana

Physics
Last question i'm stuck on please help me through this. Five waves pass a dock in 2.0 s. If the waves are traveling at 10.0 m/s, then what is the wavelength of the waves?
April 14, 2014 by Me and I

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?
February 24, 2013 by Mark

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.
November 25, 2008 by Lizzie

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 ...
February 11, 2011 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 ...
March 14, 2011 by Shannon

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 ...
May 8, 2011 by Laura

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 ...
April 25, 2010 by Michael Moskvich

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?
September 26, 2012 by Evelyn

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. ...
April 17, 2011 by ashley --

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?
December 14, 2007 by Einstein

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...
May 18, 2011 by Brandy

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 ...
July 14, 2010 by Anonymous

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 ...
October 19, 2012 by Blah

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...
June 30, 2011 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
October 30, 2013 by Unknown

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?
March 12, 2013 by Jordan

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?
November 26, 2011 by Ashley

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?
May 1, 2011 by conner

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?
April 22, 2008 by phillup

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.
April 22, 2012 by Alex

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

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 ...
February 24, 2009 by Bob

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? ...
March 13, 2011 by suzanne

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 ...
February 28, 2011 by Kevin

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 ...
February 28, 2011 by haylee

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 ...
April 14, 2011 by anna

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?
April 17, 2012 by acrid

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?
June 26, 2008 by Anonymous

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

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.
January 15, 2010 by hilary

physics
Which has the longest wavelengths-light waves, x-rays, or radio waves?
December 8, 2007 by Anonymous

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

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

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

physics
Radio waves, light and X-rays, electromagnetic waves
February 3, 2010 by oumayma

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

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

Waves and the Media
What do mechanical waves such as sound need that electromagnetic waves do not?
March 24, 2013 by Anonymous

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

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?
May 1, 2011 by perry

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

physics -- waves
How does rarefraction affects the frequency of waves ?
April 1, 2011 by ashley --- HELP PLEASEE!!!

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 ...
May 9, 2013 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?
May 13, 2010 by Katie

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.
July 5, 2012 by Dave

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 ...
February 11, 2013 by ooommgggg

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.
April 8, 2013 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.
April 8, 2013 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 ...
December 14, 2012 by amy

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 ...
February 15, 2012 by Angel

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...
June 30, 2011 by mikeM

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 ...
March 22, 2014 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?
April 13, 2012 by Alyonka

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?
December 6, 2010 by judy

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
March 12, 2011 by unknown

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?
November 24, 2012 by rory

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?
February 3, 2013 by Anonymous

Physics
the distance between two successive crests in waves is 1.50m, and the source generates 25 crests and 25 troughs in 5.00sec. what is the speed of the waves?
June 16, 2013 by Riana

Physics
As the frequency of sound waves increases, the wavelength of the sound waves decreases true or false?
December 9, 2007 by taylor

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

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?
February 1, 2013 by noah

physics
A string with linear mass density μ = 0.0279 kg/m under a tension of T = 183 N is oriented in the x-direction. Two transverse waves of equal amplitude and with a phase angle of zero (at t = 0) but with different frequencies (ω = 3420 rad/s and ω/3 = 1140 rad/s) ...
July 13, 2014 by linda

physics
A string with linear mass density μ = 0.0279 kg/m under a tension of T = 183 N is oriented in the x-direction. Two transverse waves of equal amplitude and with a phase angle of zero (at t = 0) but with different frequencies (ω = 3420 rad/s and ω/3 = 1140 rad/s) ...
July 14, 2014 by Lema

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?
February 12, 2014 by katie

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 ...
July 21, 2010 by Stuck

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?
January 21, 2010 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.
April 12, 2010 by phill

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?
January 26, 2013 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?
January 27, 2013 by Kristy

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.
May 30, 2010 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?
December 6, 2010 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?
December 6, 2010 by Lily

Physics
A string along which waves can travel is 2.50 m long and has a mass of 203 g. The tension in the string is 26.0 N. What must be the frequency of traveling waves of amplitude 7.70 mm in order that the average power be 85.0 W?
December 6, 2011 by Kyle

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...
May 18, 2012 by srikar

Algebra 1 high school
In deep water, the speed s (in meters per second) of a series of waves and the wavelength L (in meters) of the waves are related by the equation 2(pi)s^2=9.8L. a. Find the speed the the nearest hundredth of a meter per second of a series of waves with the following wavelengths...
August 27, 2013 by Help now

science, ipc
Which best describes longitudinal waves? ________________________________________ A. Compressions and rarefactions make up longitudinal waves, which can only travel in matter. B. Longitudinal waves carry sound energy and are made up of crests and troughs. C. Light energy ...
July 15, 2010 by Superman

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 ...
March 14, 2011 by Smithy

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
November 23, 2012 by Alex

Physics
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 it emits sound waves with a frequency of 480 Hz. Source B is traveling at v/5 to the right, and it emits sound waves with a frequency of 960 Hz. ...
September 3, 2013 by Ben

Physics
The displacement of a standing wave on a string is given by D=3.6sin(.54x)cos(37t), where x and D are in centimeters and t is in seconds. What is the distance in cm between the nodes in centimeters? Give the amplitude of each of the component waves, meaning that there two, in ...
November 17, 2009 by Tay

physics
Two waves traveling on a string in the same direction both have a frequency of 100 Hz, a wavelength of 2cm and an amplitude of .02 m. What is the amplitude of the resultant wave if the original waves differ in phase (a) by Pi/6 and (b) by Pi/3
April 16, 2012 by Bob

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.
October 20, 2013 by Kindra

Physics
swimming duck paddles the water with it's feet once every 1.6s, producing surface waves with this perios. The duck is moving with constant speed in a pond where the speed of the surface waves is 0.32m/s and the crests of the waves are 0.12m apart. A) What is the duck's speed...
March 29, 2008 by Amanda

Physics, science
A sonar generator on a ship produces periodic ultrasonic waves at a frequency of 2.2 MHz. The wavelength of the waves in seawater is 5.310-4 m. When the generator is directed downward, an echo is received 15.2 s later. How deep is the ocean in m?
January 8, 2013 by Sav

physics
A group of swimmers is resting in the sun on an off-shore raft. They estimate that 2.85 m separate a trough and an adjacent crest of surface waves on the lake. They count 13 crests that pass by the raft in 20 s. How fast are the waves moving?
March 23, 2013 by Bryan

PHISIC help
water waves in a ripple tank are diffracted by a narrow aperture.if the wavelength of the water waves is decreased slightly whilst keeping the aperture size the same ,which one of the following will happen? the waves will spread out more the waves will spread out less the ...
December 20, 2012 by alicya

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