1. 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

    asked by mikeM on June 30, 2011
  2. 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

    asked by mikeM on June 30, 2011
  3. 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

    asked by rohit on May 9, 2013
  4. Geology

    What type of waves are Earthquakes?

    asked by Gary on December 6, 2007
  5. 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 .

    asked by Kate on April 7, 2014
  6. 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

    asked by sarah on November 21, 2012
  7. 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

    asked by Patrick on November 23, 2010
  8. 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

    asked by Mike on November 23, 2010
  9. 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

    asked by Stella on November 22, 2010
  10. 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

    asked by Anonymous on November 21, 2008
  11. 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

    asked by Mike on April 21, 2010
  12. 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

    asked by Michael Moskvich on April 25, 2010
  13. SCIENCE PLEASE HELP

    •What are earthquakes? •Where do they occur most often? Why? •How likely is it that your area will experience an earthquake? •What are the types of seismic waves? Describe/explain each of them. •What instrument do seismologists use to

    asked by FluttershyK22 on April 28, 2016
  14. Science

    1. Describe how the magma is generated for volcanoes parallel to a subduction zone. 2. What two factors result in a volcano at a plate boundary? 3. Why are volcanoes found at mid-ocean ridges but not at ocean trenches? 4. What causes a hot spot in the

    asked by Anjan on December 31, 2010
  15. 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.

    asked by maria on October 24, 2011
  16. 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.

    asked by fiko on October 24, 2011
  17. 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.

    asked by maria on October 24, 2011
  18. Physical Science

    Here are a few questions that I have answered; can someone please check if they are correct? Thanks! 1.In which type of waves do the particles in a medium move parallel to the direction that the waves move? Ans- longitudinal waves 2.Which type of wave

    asked by mysterychicken on May 4, 2009
  19. 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.

    asked by maria on October 24, 2011
  20. Science

    I'm currently studying for a science test and I need help on one of the question. - What is a tsunami and how is it related to an earthquake? For the part " What is a tsunami, my answer would be Tsunamis are giant waves caused by earthquakes or volcanic

    asked by Shadow on June 2, 2011
  21. earth science

    Which of the following statements is FALSE about the magnitude of earthquakes? A. Magnitudes of earthquakes are based on powers of ten B. An earthquake of magnitude 3 on the scale is 1.5 times more intense than a magnitude 2 C. Great earthquakes can have a

    asked by alz on November 12, 2018
  22. Science

    Im sorry i am totally stumped What is the main difference between mechanical and electromagnetic waves A. Mechanical waves involve the transfer of energy; electromagnetic waves do not B. Mechanical waves require a medium to travel in; electromagnetic waves

    asked by help me on April 27, 2016
  23. 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

    asked by ashley -- on April 17, 2011
  24. Science

    Electromagnetic and mechanical waves have different characteristics that make them advantageous for certain applications. Select the reasons that mechanical waves, such as ultrasound, are used for soft tissue imaging and to identify fractures in metals.

    asked by Maya on March 14, 2017
  25. Science

    What is the main difference between mechanical and electromagnet waves? a)Mechanical waves involve transfer of energy; electromagnet waves do not. b)Mechanical waves require a medium to travel in; electromagnet waves do not. c)Mechanical waves have

    asked by need help on October 30, 2017
  26. general idea

    Hi what is the name of a large wave created by some earthquakes it is not tsunami off course Help plesaeee Since this is not my area of expertise, I searched Google under the key words "earthquake wave" to get these possible sources:

    asked by nun on January 2, 2007
  27. Science

    What is the main difference between mechanical and electromagnetic waves? A. Mechanical weaves involved transfers energy; electromagnetic waves do not B. Mechanical waves require a medium to travel in; electromagnetic waves do not***** C. mechanical waves

    asked by I need help on March 13, 2017
  28. science

    Electromagnetic and mechanical waves have different characteristics that make them advantageous for certain applications. Select the reasons that mechanical waves, such as ultrasound, are used for soft tissue imaging and to identify fractures in metals. I)

    asked by jessica on April 9, 2018
  29. Science

    Earthquakes and Seismic Waves •If the statement is true right true if the statement is false change the underlined word or words(I’ll put them in parentheses) to make this statement true.• 1.______The shaking and trembling that results for movement

    asked by Molly on February 8, 2018
  30. science

    "Tsunamis" are giant waves caused by earthquakes under the ocean floor. They ________ islands and coastlines? a.) provide drinking water for b.) form c.) damage d.) irrigate c

    asked by pam on September 4, 2010
  31. Earth Science REPOST

    A seismograph station is located 2000 km from an earthquakes epicenter. Explain the order that the S and P waves will arrive at the station.

    asked by Camron on October 17, 2007
  32. Earth Science

    A seismograph station is located 2000 km from an earthquakes epicenter. Explain the order that the S and P waves will arrive at the station.

    asked by Camron on October 16, 2007
  33. Physics

    A wave travels at a speed of 34 cm/s. It’s wavelength is 18 cm. What is the period of the wave? 0.75 s 1.2 s 0.66 s 0.53 s Regions of compression and rarefaction help define _______. Electromagnetic waves Longitudinal waves, but not transverse waves

    asked by GlowBaby on December 4, 2018
  34. Jones

    1. To what extent can earthquakes be predicted? 3. What can a trench dug across an active fault show about past fault movement? 4. What is a seismic gap, and what is its significance in determining future fault activity? 5. What information indicates the

    asked by Joe on October 10, 2010
  35. 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

    asked by Blah on October 19, 2012
  36. Science

    What type of signal is measured in a sonar system to determine the depth of the ocean? A. absorption of sound waves by underwater features B. reflection of sound waves by underwater features C. absorption of electromagnet waves by underwater features D.

    asked by Dayana on March 22, 2012
  37. 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

    asked by Pete on November 23, 2010
  38. Chemistry

    The oscillation of electrons in an antenna is an example of which type of radiation/waves/rays? A. Radio waves B. Infrared rays C. Microwaves D. VLF radiation

    asked by Morgan on December 16, 2014
  39. Science

    1. Which of the following statements about mechanical waves is true? a. mechanical waves require a medium to travel through b. mechanical waves do not have amplitude and wavelength c. mechanical waves do not have frequency d. mechanical waves can travel

    asked by Thank you! on May 14, 2018
  40. Geological Events

    In 2005 and 2006, several major earthquakes occured in Pakistan and Iran, located to the north and west of India. A) Why does the theory of plate tectonics support the occurence of earthquakes in these countries? The plate tectonics theory states that the

    asked by Anonymous on January 11, 2011
  41. science please help

    Sources and uses for the following: Radio waves Microwaves Infrared Waves Visible Light Waves Ultraviolet Waves X-Rays Gamma rays

    asked by Unknown on October 30, 2013
  42. 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?

    asked by Sasha on November 23, 2014
  43. 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?

    asked by Mark on February 24, 2013
  44. science

    1. Why do earthquakes occur along the San Andreas Fault? a. Two plates meet at the San Andreas Fault and they slide next to each other causing earthquakes b. Two plates converge at the San Andreas Fault causing earthquakes*** c. Two plates pull apart at

    asked by what on May 4, 2014
  45. Quick Physics help

    1. What is the medium for waves on a rope? 2. What is the medium for earthquake waves? 3. A characteristic of waves is that after the wave has passed the medium is (disturbed, undisturbed) is this disturbed? 4. A cork is floating in the water 20 m from the

    asked by Anonymous on April 10, 2016
  46. Science

    1. Which of the following statements about mechanical waves is true? Mechanical waves require a medium to travel through. Mechanical waves do not have amplitude and wavelength.** Mechanical waves do not have frequency. Mechanical waves can travel through

    asked by Tristan Seymour on April 25, 2019
  47. chemistry

    The oscillation of electrons in an antenna is an example of which type of radiation/waves/rays? A. Radio waves B. Infrared rays C. Microwaves D. VLF radiation I don't understand what is being asked so I don't have a clue on the answer.

    asked by Morgan on December 16, 2014
  48. science

    How do the speeds of light waves and sound waves compare? Sound waves can travel faster depending on the medium. Sound waves always travel faster than light waves.**** Light waves travel at the same speed as sound waves. Light waves travel about 1 million

    asked by noodles on April 10, 2019
  49. 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)

    asked by Brandy on May 18, 2011
  50. 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,

    asked by Shannon on March 14, 2011
  51. 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

    asked by charlie on February 11, 2011
  52. science

    Certain high-frequency radiations are likely to cause harm to astronauts landing on Mars. A detector for which type of electromagnetic radiation is most suitable to study this harmful radiation on Mars? I think it is radio waves A. Infrared B. Radio waves

    asked by ayeitsweston on May 10, 2018
  53. Science: Earthquakes

    In Science, we have to make pamphlet about Earthquakes by answering questions from a textbook. One question is. "What are the ffects associated with earthquakes?" I do not understand this question. Could I get some help what they are asking? Or give me

    asked by Wenmar on October 23, 2007
  54. Earth/Environmental Science

    "Tsunamis" are giant waves caused bhy earthquakes under the ocean floor. They _______ islands and coastlines. What does tsunamis do to islands and coastlines?

    asked by Anonymous on October 26, 2010
  55. college physics

    A student observes 30 waves traveling down a string in a lab experiment. It takes 10 seconds for the waves to all go by. What is the frequency of the waves (in Hz)?

    asked by Taylor on July 25, 2016
  56. Science

    I needed help with this question. I’m not sure I got it quite right. Is it correct to say that in every case, without exception, any radio wave travels faster than any sound wave? ANSWER: Yes, it is correct to say because radio waves are electromagnetic

    asked by Lizzie on January 25, 2010
  57. 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.

    asked by Lizzie on November 25, 2008
  58. Science

    Hi! I'm in 8th grade science 8-B in Connections academy. I have a question that I'm stuck on. Can anyone help me? Thx! 2. Where do most Earthquakes occur most often? Why I am taking a guess that areas such as California have more earthquakes than most. I

    asked by # love mystery books! on March 30, 2017
  59. science

    If radio waves are not compressional waves,like sund waves, what is their role in enabling us to hear music?

    asked by Juliann on December 4, 2007
  60. science

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

    asked by Anonymous on April 30, 2011
  61. 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

    asked by ooommgggg on February 11, 2013
  62. 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

    asked by Brian on May 10, 2015
  63. Physics

    What is stimulated emission? a. the process of distinguishing between sources of electromagnetic waves. b. the process of reducing mechanical waves' energy. c. the process of amplifying sound waves. d. producing move light waves which are coherent with an

    asked by Anonymous on March 9, 2017
  64. 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?

    asked by Me and I on April 14, 2014
  65. physics

    1)The resultant wave from the interference of two identical waves traveling in opposite directions is described by the wave function y(x, t) = (2.49 m)sin(0.0458x)cos(5.40t), where x and y are in meters and t is in seconds. a) What is the frequency of the

    asked by joy on April 25, 2018
  66. Science

    2. Which statement is true of P-waves? a. They travel the fastest through rocks. b. They vibrate at 90° to the wave motion. c. They are last to reach the epicenter. d. They are the most damaging. 4. When rocks break, they cause _____ that move throughout

    asked by Jman on November 6, 2012
  67. 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

    asked by Anonymous on July 14, 2010
  68. Science

    6. Sonar is used to inspect pipelines and bridge foundations. In this scenario, sonar takes advantage of the fact that (1 point) A.sound waves can reflect.*** B.sound waves can diffract. C.sound waves can spread out. D.sound waves can refract.

    asked by jeje on January 21, 2015
  69. Science

    Certain seismic waves travel as.. A) electromagnetic and transverse waves. B) visible light and longitudinal waves. C) longitudinal and transverse waves. D) compression and visible light waves. I have no idea I never learned this:(

    asked by Anon on January 14, 2016
  70. Science

    Earthquakes can form at what type(s) of plate boundaries? Convergent Divergent Transform Fault* All of the above You can look up pictures of all of these boundaries in google.

    asked by Little Bird on January 2, 2019
  71. science

    do earthquakes occur in areas without identified large faults? The key words you use are "identified" and "large." As far as I know, earthquakes occur at fault lines, whether or not they have been identified or are large. Since this is not my area of

    asked by alejandra on October 12, 2006
  72. Physics

    When interference happens with two monochromatic light waves, which of the following is a characteristic of the amplitude of the resultant wave? a. it is zero. b. it is equal to the sum of the amplitudes of the component waves. c. less than the amplitude

    asked by Anonymous on March 8, 2017
  73. 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

    asked by Laura on May 8, 2011
  74. 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

    asked by Help now on August 27, 2013
  75. physical science

    can mechanical waves travel through any type of medium?

    asked by Jam on May 6, 2017
  76. 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

    asked by alicya on December 20, 2012
  77. Physics

    Outline the role of the medium in the propagation of: a) Longitudinal waves b) Transverse waves Not sure if I'm supposed to refer to the movement of particles in a medium compared to the direction of the energy for these waves...

    asked by Anonymous on February 28, 2019
  78. 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?

    asked by Diana on April 9, 2013
  79. 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

    asked by Anonymous on March 22, 2014
  80. Science

    1.What is refraction? The bending of light as it passes through matter 2.What type of lens would you use to magnify your view of a butterfly? Concave 3.What is a sound wave? Sound waves are waves of energy moving through matter.Sound waves are vibrations

    asked by Derrick on March 20, 2012
  81. Physical Science

    I need help with a few of these questions: 1.Which of the following waves are mechanical waves? A.light waves B.microwaves C.radio waves D.sound waves I think it's D? 2.Which gives the frequency of the wave in terms of its peaks? A.the height of the

    asked by mysterychicken on May 8, 2009
  82. 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

    asked by Evelyn on September 26, 2012
  83. chemistry

    We encounter a large number of waves every day without realizing it. One such source is radio waves. A typical frequency for radio transmission is 680 kHz. How much energy does one mole of radio waves carry? X rays used by doctors to view bones are much

    asked by Maria on January 22, 2011
  84. Science

    What is the difference between p-waves, s-waves, and surface waves? Which do the most damage? Please and thank you!

    asked by Autumn on November 14, 2007
  85. 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

    asked by Einstein on December 14, 2007
  86. 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.

    asked by Superman on July 15, 2010
  87. 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?

    asked by Jordan on March 12, 2013
  88. physics (please help)

    Win 1010” AM radio broadcasts at 1010KHz. Determine the wavelength of its signal, knowing that all radio waves travel at 3.00 X 10^8 m/s. f=1010kHz v=3.00 X10^8 m/s v=F X lambda lambda= 2.9 X 10^5 For a particular type of wave in a particular medium why

    asked by susan on February 17, 2007
  89. 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

    asked by Alex on April 22, 2012
  90. social studies

    1. Use the drop-down menu to answer the question. The religions of Santería and Vodou are examples of A. The impact of tourism on the Caribbean B. the influence of Creole on the Caribbean languages C. the survival of american Indian religious practices in

    asked by eskit on November 6, 2018
  91. mathematics

    seeds of type A and type B are sold in packets, each must contain 1) both type a and type b seeds 2) at least twice the amount of type B as there are type A 3) no more than 12 seeds state the minimum number in each paket of type A and of type B if here are

    asked by keisha on February 25, 2008
  92. Science

    3. Flood water pounding against a canyon wall and wearing it down is an example of * A Erosion B Deposition*** C Flood plain D Weathering 4. Many Processes on earth occur at or near tectonic plate boundaries. Which geological events are most common along

    asked by not that that random guy that has a name on December 11, 2018
  93. Physics

    Two waves, identical except for phase, are traveling in the same direction through the same medium. Each of the waves has amplitude A. The amplitude of the combined (net) wave is 1.14A. What is the absolute value for the smallest possible phase difference

    asked by Ck on October 8, 2016
  94. 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?

    asked by Anonymous on June 26, 2008
  95. 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.

    asked by hilary on January 15, 2010
  96. 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?

    asked by conner on May 1, 2011
  97. Physics

    The velocity of the transverse waves produced by an earthquake is 6.13 km/s, while that of the longitudinal waves is 9.9919km/s. A seismograph records the arrival of the transverse waves 61.5 seconds after that of the longitudinal waves. How far away was

    asked by Marie on September 21, 2014
  98. 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?

    asked by phillup on April 22, 2008
  99. Physics

    Two waves, both of amplitude A, are traveling in opposite directions along a rope. What is the range of displacement y that the two waves may cause when they overlap? -2A

    asked by GlowBaby on December 4, 2018
  100. 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,

    asked by anna on April 14, 2011