1. physics

    the frequency of wave A is 250 hertz and the wavelength is 30 cm. the frequency of wave B is 260 hertz and the wavelength is 25 cm. which is a faster wave?
  2. science

    A wave has a wavelength of 10mm and a frequency of 5 hertz what is the speed Answer Are 55 mm/s 50 hertz 2 mm/s thank you
  3. physics

    what is the speed of a sound wave if its frequency s 160 hertz and its wavelength is 2.2m?
  4. Physical Science

    1. To what is amplitude related? B. the maximum displacement from the rest position C. neither A nor B D. both A and B 2. Suppose two waves collide and the temporary combined wave that results is smaller than the original waves. What term best describes
  5. Science

    1. A girl on a playground swing makes a complete to-and-fro swing each 2 seconds. The frequency of swing is 1. (0.5 hertz) 2. (1hertz) (ANSWER) 3. (2 hertz) And the period is (FROM THE QUESTION BEFORE) 1. (0.5 seconds) (ANSWER) 2. (1 second) 3. (2 seconds)
  6. Vibration and Waves

    1. A girl on a playground swing makes a complete to-and-fro swing each 2 seconds. The frequency of swing is 1. (0.5 hertz) 2. (1hertz) (ANSWER) 3. (2 hertz) And the period is (FROM THE QUESTION BEFORE) 1. (0.5 seconds) (ANSWER) 2. (1 second) 3. (2 seconds)
  7. Physics

    Waves of all wavelengths travel at the same speed v on a given string. Traveling wave velocity and wavelength are related by v=lambda*f,where v is the wave speed, lambda is the wavelength (in meters), and f is the frequency [in hertz]. Since only certain
  8. Intergarted Science

    I had a couple of questions on the topic of Waves-Sound and Light. 1. What is the source of all waves? *Vibration* 2. In one word, what is it that moves from source to receiver in a wave motion? *Energy* 3. Does the medium in which a wave travels move with
  9. Waves-Science

    I had a couple of questions on the topic of Waves-Sound and Light. 1. What is the source of all waves? *Vibration* 2. In one word, what is it that moves from source to receiver in a wave motion? *Energy* 3. Does the medium in which a wave travels move with
  10. Physics help

    a wave with a frequency of 3.1 hz and a wavelength of 0.3 meters experiences a lengthening of wavelength to 2.6 meters what is the new frequency of this wave? a wave generator produces a wave with a frequency of 45 hz and a wavelength of 1.9 meters. If the
  11. physics

    A sound wave travels in air at a frequency of 500 Hz. If part of the wave travels from air into water, does its frequency change? Does its wavelength change? Note that the speed of sound in air is about 340 m/s, whereas the speed of osund in water is about
  12. Physics

    Which of the following statements correctly describes the changes that occur in a sound wave, as it passes from cool air into warmer air? A) speed,wavelength and frequency all increase B) speed, wavelength increase; frequency decreases C) speed, wavelength
  13. Science

    A wave is determined to have a frequency of 12 Hz and a wavelength of 8.5 meters. What is the speed of the wave? Show all of your work, including the formula and correct units. I am not really sure how to set up the equation for this. Speed= wavelength x
  14. Science

    What is the full formula for frequencys and wavelengths? The wavelength formula is λ = v/f where λ = wavelength of a sound wave or electromagnetic wave v = the speed of propagation of the wave, f = frequency of the wave in 1/s = Hz. c=nu*lambda c
  15. Physics

    if the frequency of a particular electromagnetic wave is 4 x 10^14 hertz, what is its wavelength of the radiation in nanometers (nm)?
  16. Physics

    How do you calculate the wave speed of waves that are 0.15 m apart, and have a frequency of 2 Hz? Wavelength is given, frequency is given. frequency*wavelength = wave speed. Thanks a whole lot
  17. Physical Science

    1. A wave has a wavelength of 10 mm and a frequency of 5.0 hertz. What is its speed? A. 50 mm/s B. 50 hertz/s C. 2.0 mm/s D. 0.50 mm/s 2. Which type of mechanical wave needs a source of energy to produce it? A. a transverse wave B. a longitudinal wave C. a
  18. Science please answer?

    what is the wavelength and frequency if the wavelengthis4.5x10-7 Show wok please (-7) You have already stated the frequency. Are you talking about light? What are the units of wavelength? meters? cm? feet/ frequency = (wave speed)/(wavelength) You can do
  19. Physics

    Two sound waves are traveling through a container of unknown gas. Wave A has a wavelength of 1.2 m. Wave B has a wavelength of 3.6 m. The frequency of wave B must be __________ the frequency of wave A. a. one-ninth b. one-third c. the same as d. three
  20. Physics

    Light is an electromagnetic wave and travels at a speed of 3.00 108 m/s. The human eye is most sensitive to yellow-green light, which has a wavelength of 5.58 10-7 m. What is the frequency of this light? Ever heard of the equation (wavelength) x
  21. Physics

    The period of longitudinal sinusoidal wave is 0.16 seconds and its wavelength is 8.0 meters. Calculate the wave's speed, frequency, angular frequency and wave number.
  22. Physics

    Tsunamis are fast-moving waves often generated by underwater earthquakes. In the deep ocean their amplitude is barely noticable, but upon reaching shore, they can rise up to the astonishing height of a six-story building. One tsunami, generated off the
  23. Waves (Physics)

    I have trouble with these 2 problems, can anyone assist me to answer them? 18) What is the speed of a periodic wave disturbance that has a frequency of 3.50 Hz and a wavelength of 0.700 m? 21) A periodic longitudinal wave that has a frequency of 20.0 Hz
  24. Science

    Which of the following correctly describes a radio wave? long wavelength and high frequency long wavelength and low frequency short wavelength and low frequency short wavelength and high frequency 3. When the energy of a light wave is transferred to a
  25. Physics

    A tuning fork creates sound wave with frequency of 170 hertz. If the speed of sound is 340 m/s, what is the wave length of the sound wave?
  26. Physics

    A tuning fork creates sound wave with frequency of 170 hertz. If the speed of sound is 340 m/s, what is the wave length of the sound wave?
  27. Physical science

    A wave travels along a string at a speed of 1,5m 1s.if the frequency of the source of the wave is 7,5hz,calculate:(a)the wavelength of the wave..(b)the period of the wave
  28. Science

    The question in the book says: A wave has a wavelength of 2mm and a frequency of 3 Hz. At what speed does the wave travel? I know the answer is 6, because the formula is Speed= Wavelength X Frequency, but I don't know how to write the final answer, it's
  29. physics - SHM

    Two sinusoidal waves with identical wavelengths and amplitudes travel in opposite directions along a string with a speed of 11 cm/s. If the time interval between instants when the string is flat is 0.33 s, what is the wavelength of the waves? wavelength =
  30. Chemistry

    What is the frequency in hertz of a photon of light with an energy of 3.93 x 10-21J? What is the frequency of light in hertz with a wavelength of 4.12 x 10-7m?
  31. Physics (please help)

    A sinusoidal wave travels along a string. The time for a particle to move from maximum displacement to zero is 0.170s. What are the a)period b)frequency c) the wavelength is 1.40m what is the wave speed? ok I know i need the equation T=1/f and the wave
  32. Science

    1. A weatherman reports, "the storm waves are about 2 meters high and about 35 meters apart. "what properties of waves is the reporter describing? Frequency and wavelength Wavelength and wave speed***** Amplitude and wavelength Amplitude and frequency 2.
  33. Science

    1. A weatherman reports, "the storm waves are about 2 meters high and about 35 meters apart. "what properties of waves is the reporter describing? Frequency and wavelength Wavelength and wave speed***** Amplitude and wavelength Amplitude and frequency 2.
  34. Science

    1. A weatherman reports, "the storm waves are about 2 meters high and about 35 meters apart. "what properties of waves is the reporter describing? Frequency and wavelength Wavelength and wave speed***** Amplitude and wavelength Amplitude and frequency 2.
  35. Science

    1. A weatherman reports, "the storm waves are about 2 meters high and about 35 meters apart. "what properties of waves is the reporter describing? Frequency and wavelength Wavelength and wave speed***** Amplitude and wavelength Amplitude and frequency 2.
  36. physics

    A plane progressive wave is represented by the wave equation: y=0.1sin⁡(200 ðt-20ðx/17) Where y is in millimetres, t is in seconds, and x is the distance from a fixed origin, O, in metres. Find: The frequency of the wave The wavelength of the wave
  37. Science

    1. A weatherman reports, "the storm waves are about 2 meters high and about 35 meters apart. "what properties of waves is the reporter describing? Frequency and wavelength Wavelength and wave speed Amplitude and wavelength Amplitude and frequency 2. Sound
  38. Science

    1. A weatherman reports, "the storm waves are about 2 meters high and about 35 meters apart. "what properties of waves is the reporter describing? Frequency and wavelength Wavelength and wave speed***** Amplitude and wavelength Amplitude and frequency 2.
  39. physics

    A snapshot graph of a travelling wave is shown. The wave is travelling to the right at 32.0 m/s. a) What is the amplitude if the maximum displacement is 28.0 cm and the total distance travelled by the wave is 26.0 m? b)What is the wavelength of the wave?
  40. Physical Science

    On a hot summer day (30 degrees Celcius), a pesky little mosquito produced its warning sound near your ear. The sound is produced by the beating of its wings at a rate of about 600 wing beats per second. What is the frequency in Hertz of the sound wave?
  41. Physics !>:(

    A wave has angular frequency 46.2rad/s and wavelength 3.57m. What is its wave number? b).What is its wave speed?
  42. Physics-please

    When a sound wave passes from air into a solid object, which of the following wave properties change? -Frequency -Wave Speed -Amplitude -Wavelength all that apply
  43. physics

    A wave traveling in the  + x direction has an amplitude of 0.35 m, a speed of 5.2 m/s, and a frequency of 14 Hz. Determine: 3.1.the wavelength, (2) 3.2.the wave number, (2) 3.3the angular velocity, (2) 3.4. the equation of the wave
  44. Physics

    If travelling waves move at 140 m/s on this string, what musical note is this string currently producing? In hertz The fundamental is 1/2 wavelength. So you have to know string length. wavelength*fundamentalfreq= wave speed.
  45. physics

    The figure below represents a periodic wave. Each increment on the equilibrium line is 760 cm. What is the wavelength for this wave (in m)?If the wave in the figure above has a frequency of 60 Hz, what is the wave's speed?
  46. Physics

    Radio amateurs are permitted to communicate on the "10 meter band." What frequency of radio waves corresponds to a wavelengthy of 20m? (The speed of radio wave is 3.00 x 10(8)m/s). Can you help me with setting up the formula? frequency = (wave
  47. Physical Science 9th grade

    Could someone please explain how I do this or provide a link explaining how. I am very confused. 1) a) Name 2 properties of waves that change if the wave changes media. b) Name a property that does NOT change when it changes media. 2) If the wavelength of
  48. PHYSICAL SCIECE

    A seismic wave has a velocity of 5000 m/s and a frequency of 4Hz. wht is the wavelength of this wave? if this was a light wave traveling in a vacuum with the same wavelength, what would be its period?
  49. Algebra 2

    The frequency of a radio wave is inversely proportional to the wavelength. If a wave 250 m long has a frequency of about 1200 kHz, what is the approximate length of a wave with a frequency of 800 kHz? A. 167 m B. 258 m C. 325 m D. 375 m
  50. Physical Science

    I have a question and the answer, but I need to know how to get to the answer. Thanks What is the frequency, in hertz, of a sound wave (v=340 m/s) with a wavelength of 0.20 m? answer is 1.7 103 Hz (there is a box symbol after 1.7 and the 3 is superscript)
  51. Physics help please!

    The speed of a deep water wave with a wavelength ë is given approximately by v = (gë/2ð)1/2. Find the speed and frequency of a deep water wave with a wavelength of 5.5 m. ? m/s ? Hz can someone get me started with a formula? I lost my book :(
  52. physics

    A harpsichord string of length 1.60 m and linear mass density 25.0 mg/m vibrates at a (fundamental) frequency of 450.0 Hz. (a) What is the speed of the transverse string waves in m? (b) What is the tension in N? (c) What are the wavelength and frequency of
  53. chem

    a certain substance strongly absorbs infrared light having a wavelength of 3.75µm. what is the frequency of this light in hertz? i know that i have to use the equation c = frequency x wavelength and that c = 2.998 x 10^8 m/s. how do i convert that to
  54. Physics

    A harpsichord string of length 1.50 m and linear mass density 26.0 mg/m vibrates at a (fundamental) frequency of 460.0 Hz. (a) What is the speed of the transverse string waves? m/s (b) What is the tension? N (c) What are the wavelength and frequency of the
  55. science

    how do you find the wave speed from the frequency and the wavelength? show how the units of speed are related to the units of wavelength and frequency. -Thank You :)
  56. physics

    A typical steel B-string in a guitar resonates at its fundamental frequency at 240 Hertz. The length of the string is 0.620 m. What is the wave velocity along the string? Find your answer in m/s, but do not enter units. IS THE ANSWER 148.8m/s?
  57. Physical Science

    I need someone to go over and correct my answers please, I was haveing trouble on these three. What is the wave speed for a wave of 5 meters wavelength that has a frequency A) 25.6 m/s. B) 64 m/s. C) 128 m/s. D) 640 m/s. I think its a A string on a guitar
  58. Physics

    I need someone to go over my answers please, I was haveing trouble on these three. If I got it wrong will you tell me how I should solve it with formulas please. What is the wave speed for a wave of 5 meters wavelength that has a frequency A) 25.6 m/s. B)
  59. Standing waves and resonance (physics)

    A nylon string has a linear density of 7.2g/m and is under a tension of 150N. The fixed supports are 90cm apart. The string is oscillating in the standing wave pattern. Find a)speed b)wavelength c) frequency v=sqr(F/u(linear density) v=sqrt(150N/7.2g/m) =
  60. Science

    1.A weatherman reports, “The storm waves are about 2 meters high and about 35 meters apart.” What properties of waves is the reporter describing? (1 point) A.frequency and wavelength B.wavelength and wave speed C.amplitude and wavelength*** D.amplitude
  61. Science Help Please

    A weatherman reports, "The storm waves are about 2 meters high and about 25 meters apart." What properties of waves is the reporter describing? A. frequency and wavelength B. wavelength and wave speed C. amplitude and wavelength D. amplitude and frequency
  62. Physics

    If a wave has a frequency of 24Hz and a wavelength of 15m, how do you calculate the speed of the wave ???? Please help
  63. Science

    What wave property is labeled X? a. Frequency b. amplitude c. wavelength d. wave speed Is it C? Thank you!
  64. Physics

    If a wave has a frequency of 24Hz and a wavelength of 15m, how do you calculate the speed of the wave ???? Please help
  65. PHYSICS

    A wave with a frequency of 90.0 Hz travels through steel with a wavelength of 3.46 m. What is the speed of this wave?
  66. Wave

    A radio transmits at a frequency of 6 * 10^5Hz. If the speed of the signals is 3 * 10^8m/s, calculate the wavelength of th wave.
  67. Physics

    1)An electromagnetic wave has a wavelength of 6.2 x 10^14 n. What is the frequency of the wave? 3.00 x 10^8 * 6.2 x 10^14 1.8 x 10^24 = frequency 2)The velocity of an electromagnetic wave depends on: its wavelength and frequency
  68. Physics

    A transverse wave is formed on a long skipping rope. The equation of the transverse wave is y=5.50 sin(0.031π x+5.52π t) where x and y are in centimeters, t is in seconds, and Π is pi (3.14..). Find the amplitude of the wave? what is the wavelength of
  69. Science

    Which of the following affects the speed of sound? A. The amplitude of the wave. B. The frequency of the wave. C. The phase of the medium. D. The wavelength. Is the answer D? Thank you
  70. Science

    Which of the following affects the speed of sound? A. The amplitude of the wave. B. The frequency of the wave. C. The phase of the medium. D. The wavelength. Is the answer A? Thank you
  71. physics

    i would like to know about the change that would take place if any if the speed frequency wavelength of a wave in a ripple tank when a wave is refracted and diffracted
  72. Chemistry

    A sample of light has a wavelength of 2.61 x 10^-12 m. What is it's frequency? A popular radio station broadcasts with a frequency of 94.7 mHz. What is the wave length of the broadcast? (1MHz = 1 x10^6 HZ) What is the wavelength of electromagnetic
  73. physics

    A sinusoidal wave on a string is described by the equation y = (0.169 m) sin (0.713 x - 41.9 t), where x and y are in meters and t is in seconds. If the linear mass density of the string is 10.1 g/m .. if needs values of these ( the speed of the wave is
  74. Physics

    1) A wave with frequency 3.1 Hz and amplitude 2.7 cm moves in the positive x-direction with speed 5.6 m/s. Determine the wavelength. 2) The equation of a wave along the x-axis is given as: ξ cm = 3.4 sin (1.13 x - 0.75 t) in which ξ is the
  75. physics

    The wave function (x,t)=(0.03m)sin(2.2x-3.5t) is for a harmonic wave on a string. (a) In what direction does this wave travel and what is its speed? (b) Find the wavelength, frequency, and period of this wave. (c) What is the maximum displacement of any
  76. Science

    Does increasing the frequency of a wave also increase its wavelength? If not, how are these quantities related? high frequency. low wavelength That answer may be confusing. A high frequency has a short wavelength; i.e., 14 MHz is about 40 meters. 28 MHz is
  77. physics

    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 wavelength of the fundamental standing wave (the first harmonic) b) What is the frequency of the fundamental wave? c) What is
  78. physics

    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 wavelength of the fundamental standing wave (the first harmonic) b) What is the frequency of the fundamental wave? c) What is
  79. Physics

    A sound wave in a solid has a frequency of 15.0 kHz and a wavelength of 0.333 m. What would be the wave speed, and how much faster is this speed than the speed of sound in air?
  80. Physics

    A sinusoidal wave traveling on a string is moving in the positive x-direction. The wave has a wavelength of 6 m, a frequency of 48 Hz, and an amplitude of 9 cm. What is the wave function for this wave? (Use any variable or symbol stated above as
  81. Science Help Please

    1. Which of the following correctly describes a radio wave? A. long wavelength and high frequency B. long wavelength and low frequency C. short wavelengh and low frequency D. short wavelengh and high frequency Is the answer B? 2. When the energy of a light
  82. Physics

    Two waves travel in the same medium at the same speed. One has wavelength 0.0382 m and frequency 9.67×106 Hz. The other has wavelength 0.0486 m. What is the period of the second wave?
  83. PHYSICS

    A wave on a string is described by the relation y = A sin(30t - 0.041x), where t is measured in seconds and x in meters, with A = 0.16 m. (a)Find the frequency of the wave. ____Hz (b)Find the wavelength of the wave. ___m (c)Find the speed of the wave.
  84. physics

    Find the length of string and speed of wave in string if frequency of given wave is 850 hz and the wavelength is 0.26m? The string is in a tube that is closed at both ends. I found the speed using v=freqeuncy*wavelength. How do i find the length of the
  85. Physics

    You are standing on a beach and 5 wave crests land on shore in 50 seconds. Each wave is 32m apart. Find Frequency, period, wavelength and speed.
  86. Physics

    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 deep affects the equation for c and d. The 2011 Japan tsunami was triggered by an earthquake 70 km offshore. The earthquake
  87. Physics

    The wave is travelling to the right at 50.0 m/s. What is the amplitude if the maximum displacement is 38.0 cm and the total distance travelled by the wave is 16.0 m. 2) What is the wavelength of the wave? 3)What is the frequency of the wave?
  88. physics question

    What factors affect the frequency of a wave? A. the amplitude B. the energy of the wave C. the wavelength of the wave D. the material through which it travels E. the velocity of the wave I said C,D, and E. Should there be anything else?
  89. Physics HELP!!

    The wave is travelling to the right at 18.2m/s. What is the amplitude if the maximum displacement is 19.9cm and the total distance travelled by the wave is 41.2m? b) What is the wavelength of the wave? c).What is the frequency of the wave?
  90. PHYSICS PLLZ HELP

    1- wave velocity is related to a- period b-wavelength c-amplitude d-all of these 2- wave amplitude is related to a- wave velocity b- frequency c- energy d-wave length 3-which of the following radiation has te smallest frequency? a- infrared b- visible c-
  91. Physics HELP!!

    a). The displacement of a wave travelling in the positive x-direction is D(x,t)=(5.94cm)sin(1.18x-132.6t), where x is in meters and t is in seconds. What is the frequency? b). What is its wavelength? c).What is the speed of the wave?
  92. Science

    1. A weatherman reports, “The storm waves are about 2 meters high and about 35 meters apart.” What properties of waves is the reporter describing? (1 point) A. frequency and wavelength B. wavelength and wave speed C. amplitude and wavelength*** D.
  93. Physics

    sound wave of frequency 166 Hz travels with a speed 332 ms−1 along positive x-axis in air. Each point of the medium moves up and down through 5.0 mm. Write down the equation of the wave and calculate the (i) wavelength, and (ii) wave number. How far
  94. Physics

    If a wave has a frequency of 10 Hertz, what does this mean? Thanks.
  95. Science

    If a wave has a frequency of 10 Hertz, what does this mean? Thanks.
  96. Science

    Could someone please explain to me in a simple way how FM, AM, and XM radio signals work? No one I ask seems to know. Thanks for the help. Radio waves are part of a general class of waves known as electromagnetic waves. In essence, they are electrical and
  97. Physics

    A sine wave is traveling to the right on a cord. The lighter line in the figure represents the shape of the cord at time t = 0; the darker line represents the shape of the cord at time t = 0.10 s. (Note that the horizontal and vertical scales are
  98. Physics-help please!

    A wave on a rope is 6.1m . a.) What is the wavelength of this wave? b.) If the frequency of the wave is 6.2Hz, what is the wave velocity?
  99. Physics HELP!!

    a). What is the wavelengh of a 2.54MHz ultrasound wave travelling through aluminum?(the speed of sound in aluminum is 6420 m/s) b). What frequency of electromagnetic wave would have the same wavelength as the ultrasound wave above?
  100. Physics wavelength problem! Please Help!

    A communications satellite transmits a radio wave at a frequency of 5 • 109 Hz. What is the signal’s wavelength? Assume the wave travels in a vacuum. Show your work Thank You!