1. Physics

    How do you calculate the phase constant in degrees given amplitude and frequency?

    asked by Me on December 7, 2011
  2. physics help please

    What are the small-amplitude period and frequency of a 10.0 m long pendulum?

    asked by John on November 7, 2011
  3. Physics

    How is time peroid the reciprocal of frequency? Plz explain

    asked by Pakistan on October 1, 2017
  4. science

    The product of frequency and wavelength of a sound wave is equal to its

    asked by Anonymous on November 29, 2017
  5. Chemistry

    A radio wave has a frequency of 3.6 x 10^10 Hz. What is the energy (in J) of one photon of this radiation?

    asked by Anonymous on October 19, 2012
  6. Science

    Explain the relationship between visible light spectra and frequency.

    asked by Marie on December 1, 2017
  7. science

    Explain how amplitude and frequency are related to the energy of wave?

    asked by Dj on February 9, 2008
  8. Biology

    How do you explain the relationships between allele position and crossover frequency?

    asked by Meli on February 12, 2008
  9. Physics

    What is the speed of an electromagnetic wave that has a frequency of 7.8 x 10^6 Hz? How would I solve this problem?

    asked by Olivia on September 9, 2008
  10. Science

    What is the wavelength and the frequency of a 50-MeV gamma ray photon.

    asked by Brann on October 8, 2011
  11. Physics

    If velocity of wave of 0.15m/s and the frequency of 20HZ,what is the wavelength?

    asked by Musa on December 31, 2012
  12. Physics

    In order to stay in phase, do two waves need to have the same frequency? The same amplitude?

    asked by Akhmed on April 14, 2018
  13. physics

    what is the frequency of a citizen's band (CB) radio which has a wavelength of 11.5 meters ?

    asked by Ayawari Promise +2347068654055 on February 12, 2013
  14. physics

    the tension in the wire is decreased by 19%. The percentage decrease in the frequency will be?

    asked by sagar patil on April 22, 2011
  15. STATISTICS

    Can a frequency distribution have overlapping classes? Sometimes No Yes Can't determine. I need more information.

    asked by Jake on June 7, 2010
  16. C s s oberkom

    Find the frequency and period of a spring that makses 60 revolutions in a 10 second

    asked by Favour on January 14, 2016
  17. science

    true or false: The frequency of a water wave gives us its height.

    asked by Sela on September 12, 2010
  18. Physical Science

    What is the frequency of a photon of blue light, if it has a wavelength of 440 nm?

    asked by mel on March 2, 2012
  19. chemistry

    A radio wave has a frequency of 3.6 * 10 10 Hz. What is the energy of one photon of this radiation? thank you.

    asked by Brittany on December 2, 2009
  20. Trig

    Determine the frequency of y = 2 - 3 cos 10x. (nearest tenth) Please help

    asked by Kay on December 31, 2010
  21. Physics

    What is the speed of a wave whose frequency is 9.00Hz and wavelength is 0.654m?

    asked by Alex on April 12, 2012
  22. Physical Science

    What is the speed of a photon of red light, if its frequency is 4.3 x 1014 Hz?

    asked by mel on March 2, 2012
  23. Phys

    What is the speed of a wave whose frequency is 9.00Hz and wavelength is 0.654 m?

    asked by Jason on April 12, 2012
  24. Statistics

    Can a frequency distribution have overlapping classes? Sometimes No Yes Can't determine. I need more information

    asked by Jacob on June 16, 2010
  25. Physical Science

    What is the frequency of a photon of blue light, if it has a wavelength of 440 nm?

    asked by mel on March 2, 2012
  26. Electrical Engineering

    At what frequency is a 0.0001 uF capacitor operating if its reactance is 45 k ohm?

    asked by Jay on April 4, 2010
  27. Science

    If the frequency of middle-C is 44Hertz, what is the wavelength of the sound in centimeters?

    asked by Tari on September 30, 2016
  28. Statistics

    Can a frequency distribution have overlapping classes? Sometimes No Yes Can't determine. I need more information

    asked by Jacob on June 16, 2010
  29. physics

    The period of the musical node E0 is 4.85 × 10-2 seconds. What is the frequency of this note?

    asked by Amber on April 19, 2013
  30. PHYSICS

    A bicycle tire is 68 cm in diameter. what frequency does it have if it travels at 8m/ sec?

    asked by blabla on September 9, 2015
  31. Physics

    The Frequency Of an Electromagnetic Wave Is 6x(10x16) What Is IT wavelength In air..?

    asked by Anonymous on April 19, 2013
  32. Chemistry

    If you have light that has a frequency of 2.88 x 10 to -9 power Hz, what is the wavelength? I don't know how to do this and what formula to use.

    asked by Jessica on September 30, 2015
  33. Physics

    What is the frequency of an electromagnetic wave if it has a wavelength of 1.4 km? The speed of light is 3 × 10 8 m

    asked by Angel on March 27, 2012
  34. physics

    The wavelength of yellow sodium light is 589 nm. What is its frequency? 1 Hz

    asked by Anonymous on May 13, 2010
  35. Statistics

    Negative and positive deviations occur with the _______ frequency

    asked by Nichole on May 7, 2012
  36. Chemistry

    A certain shade of blue had a frequency of 1.01*10^-4 Hz. What is the energy of exactly one photon of this light?

    asked by bert on March 20, 2011
  37. Telecommunication 2.

    What is the frequency of a citizen's band(CB)radio which has a wavelength of 11.5meters?

    asked by Micheal Fabia on April 6, 2015
  38. Statistics

    Construct a frequency distribution for 100 employees using intervals of 0-4, 4-8, 8-12, 12-16, 16-20.

    asked by Bryant on January 26, 2010
  39. statistics

    what is the mean for the population of scrores shown in the frequency distribution table? X f 5 1 4 2 3 3 2 4 1 2

    asked by Anonymous on October 20, 2010
  40. Chemistry

    What is the frequency of light that is composed of photons that each has an energy of 5.20 × 10−25 J -Do I divide this by 3.00 X 10^8

    asked by Rebbeca on November 1, 2016
  41. physics

    I have the energy and frequency of a light source and I need the wavelength and colour. What do I do?

    asked by Amanda on March 27, 2009
  42. chemistry

    What is the wavelength of radiation that has a frequency of 6.912 × 10^14 s−1? and does the s-1 make a difference? Thank you!

    asked by Jazmin on October 31, 2010
  43. science

    Whar are two longest wavelength in frequency 1kghz and 200kghz

    asked by aman on August 8, 2015
  44. physics

    if the velocity of wave is 0.15m/s and the frequency is 20Hz, what is the wavelength?

    asked by Peterson on June 25, 2017
  45. physics

    a particle a of mass 2kg and particle b of mass 1kg are connected by alight elastic string c, and initially held at rest 0.9m apart on a smooth horizontal table with the string in tension. they are then simultaneously released . the string releases 12j of

    asked by isaac on July 7, 2013
  46. Physics

    A cannon shoots a shell straight up. It reaches its maximum height, 1,051 feet, and splits into two pieces, one weighing 2 lb and the other 4 lb. The two pieces are observed to strike the ground simultaneously. The 4 lb piece hist the ground 1,608 feet

    asked by Charlie on March 29, 2008
  47. Physics

    A cannon shoots a shell straight up. It reaches its maximum height, 1,051 feet, and splits into two pieces, one weighing 2 lb and the other 4 lb. The two pieces are observed to strike the ground simultaneously. The 4 lb piece hist the ground 1,608 feet

    asked by Charlie on March 29, 2008
  48. Genetics

    Hi, I really need help in how to approach this question: A species of tiny antelope, known as the zephyr, has an XY system of sex determination, similar to mammals. Zephyr males have small antlers and females do not. The antlers can be two pronged (2-pr)

    asked by Steven on February 6, 2011
  49. physics

    Two blocks with masses m1 = 1.4 kg and m2 = 3.6 kg are at rest on a frictionless surface with a compressed spring between them. The spring is initially compressed by 60.0 cm and has negligible mass. When both blocks are released simultaneously and the

    asked by anonymus on August 30, 2018
  50. physics

    wo blocks with masses m1 = 1.4 kg and m2 = 3.6 kg are at rest on a frictionless surface with a compressed spring between them. The spring is initially compressed by 60.0 cm and has negligible mass. When both blocks are released simultaneously and the

    asked by anonymus on August 30, 2018
  51. Chemistry

    Cadmium and a solution of cadmium(II) nitrate are used with tin and a solution of tin(II) nitrate to construct a galvanic cell. 1) The reaction run initially at standard state with 100-mL samples of each solution is allowed to proceed until 8.0 g of tin

    asked by chamy on April 29, 2012
  52. geometrY

    See the last picture at the bottom of this web page (for a pic of this exact problem). Using ratios, Tree height = T 15/66 = 6.33/T 15T = 512.73 T = 34.182 T = 34.182 when getting this answer from my question: to estimate the height of a tree, Dave stands

    asked by shannon on February 28, 2011
  53. CHemistry....Please help

    1.SOLUBILITY: At 25C, the molar solubility of calcium phosphate in water is 1.1*10^{-7}M. Calculate the solubility in grams per liter. I m not sure how to convert M to g/L MOLAR MASS OF COLLIGATIVE PROPERTIES: 2.tert-Butyl alcohol is a solvent with a Kf of

    asked by Saira on January 24, 2009
  54. 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-

    asked by FRANK on April 14, 2009
  55. Physics

    Both drawings show the same square, each of which has a side of length L=0.75 m. An observer O is stationed at one corner of each square. Two loudspeakers are locate at corners of the square, as in either drawing 1 or drawing 2. The speakers produce the

    asked by Vivien on July 9, 2013
  56. discrete math

    Q6:What if the bookshelf is circular, that means you cannot choose the first and last books simultaneously? Count the number of ways to choose 6 books out of 20 books on a circular bookshelf such that no two adjacent books are selected.

    asked by akash on May 2, 2017
  57. discrete math

    Q6:What if the bookshelf is circular, that means you cannot choose the first and last books simultaneously? Count the number of ways to choose 6 books out of 20 books on a circular bookshelf such that no two adjacent books are selected.

    asked by akash on May 2, 2017
  58. discrete math

    Q6:What if the bookshelf is circular, that means you cannot choose the first and last books simultaneously? Count the number of ways to choose 6 books out of 20 books on a circular bookshelf such that no two adjacent books are selected.

    asked by akash on May 1, 2017
  59. math

    Two planes leave simultaneously from Chicago's O'Hare Airport, one flying due north and the other due east. The northbound plane is flying 50 miles per hour faster than the eastbound plane. After 3 hours the planes are 2840 miles apart. Find the speed of

    asked by Anonymous on February 4, 2019
  60. Physics

    You have a mass of 2 kg attached to a spring with a spring constant 18 N/m. The mass is at rest at the equilibrium position. At time t=0 you hit the object with a hammer. This blow instantaneously gives the object a velocity of 3 m/s. The motion (after the

    asked by Jessica on November 12, 2007
  61. math

    I need to write a multiplication or division equation with a variable for the unknown for this problem: Maddie plants 3 seeds in each of 15 plots.

    asked by stephanie on November 13, 2012
  62. chemistry

    The solubility of borax is directly proportional to temperature. Therefore, the sign of H is A. negative B. positive C. unknown with the given information is the answer b?

    asked by J on June 24, 2010
  63. math,algerbra

    find circumference and area of circle use 3.14 for unknown round to nearest tenths. 2) r=11.5 3)d=3.5 show steps to solve

    asked by Anonymous on December 6, 2012
  64. science 6 class

    Explain how could use a spring,a ruler,some standard masses and some graph paper to find the weight of an unknown object.Explain how could use a spring,a ruler,some standard masses and some graph paper to find the weight of an unknown object.

    asked by Anonymous on January 29, 2018
  65. science

    if 1 liter of water is 100 degrees celsius if he has 2 liters what would be the boiling point be would it be higher lower or the same or be unknown

    asked by Anonymous on November 27, 2011
  66. science

    Explain how could use a spring,a ruler,some standard masses and some graph paper to find the weight of an unknown object.

    asked by syed on December 7, 2011
  67. physics

    The gravitational field strength of an unknown planet is 15.5 N/kg on its surface. Calculate the value of g if the planets mass and radius were both doubled.

    asked by grey on June 6, 2014
  68. Science

    Explain how you could use a spring, a ruler, some standard masses,and some graph paper to find the weight of an unknown object.

    asked by Abdullah on October 25, 2018
  69. chemistry

    An unknown weak monprotic acid with the general formula HA has a Ka=5.5 x 10^-7. what is the value of the equilibrium constant that describes the following reaction? A- +H2O = HA +OH-

    asked by Stacey on November 15, 2010
  70. Chemistry

    Can someone explain to me what the calorimetry equation - q=(m)(ΔT)(Cp) means exactly, in your own words, and how identifying an unknown metal relates to every day life? thanks

    asked by Kate on October 13, 2010
  71. Math

    In how many different ways can the top eight new indie bands be ranked on a top eight list? The top hit song for each of the eight bands will compete to receive monetary awards of $1000, $500 and $250, respectively. In how many ways can the awards be given

    asked by Jen on July 29, 2011
  72. math

    2. A candy machine has 10 grape, 6 green apple, and 16 mango gumballs. What is the probability of selecting a grape and a mango gumball as fraction in simplest form and a percent? P(A and B) = P (A) * P (B) 10/32 * 16/32 = 80/512 = 5/32 simplest form

    asked by May someone please check my work and answer ASAP? on May 8, 2016
  73. Physics

    What current would flow in an ordinary 115 V household circuit, if a 1430 W hair drier and a 1000 W microwave oven were operating simultaneously on this line?How much current would the hair drier and microwave from the previous question draw, if they were

    asked by Joan on March 13, 2011
  74. math age problem

    four years agoslyvia was two thirds as old as alex was then. four years from now, she will be four fifths as old as alex will be. how old are sylvia and alex now? Let S be SylVia's current age. Let A be Alex's current age. You have two equations to be

    asked by plz help on April 22, 2007
  75. physics ..PLEASE HELP ASSIGN DUE SOON :(

    Forces of 11.1N north, 19.9N east, and 14.0N south are simultaneously applied to a 3.62kg mass as it rests on an air table. What is the magnitude of its acceleration? I already did this part and i got 5.56 m/s^2 BUT PLEASE HELP ME WITH part b!! b)What is

    asked by Angie on October 31, 2012
  76. Physics

    A potter's wheel rotates with an angular frequency of 1.54 rad/s. What is its period?

    asked by Kate on June 12, 2012
  77. Science >.<

    if a wave is traveling at 60cm/second and has a wavelength of 15cm what is the frequency? Please explaine

    asked by Unknown on October 31, 2013
  78. physics

    A Foucault pendulum is observed to swing back-and-forth once every 20 seconds. What is its frequency?

    asked by nor on March 22, 2018
  79. Math

    if a note has a frequency of 220 hz find the frequencies of the notes one two and three octaves

    asked by Chelsea on April 26, 2017
  80. physics

    please help me i don't know the answer. What is the mathematical relationship between frequency and wavelength for an EM wave?

    asked by Jessie on January 12, 2012
  81. Physics

    In the photoelectric effect, what happens to the stopping voltage when the light frequency is decreased?

    asked by John on June 11, 2011
  82. physics

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

    asked by aatqa on January 6, 2012
  83. statistics

    Construct a frequency distribution table to organize the following set of data: 44 36 38 40 41 36 39 43 43 35 44 35 43 37 44 37 38 38 40 36

    asked by Marcia on February 2, 2012
  84. Math

    Construct a grouped frequency distribution for the following 28 scores using a class width of 4: 64 63 58 46 52 62 47 49 56 47 43 41 45 51 60 62 51 61 50 55 56 53 54 58 48 48 58 46 How do I do this?

    asked by Jen on October 10, 2011
  85. math

    Construct a frequency polygon distribution using the class limits shown below. 80, 99, 77, 67, 93, 70, 76, 86, 79, 71

    asked by ed on November 17, 2012
  86. Physics

    For a pendulum that completes fifteen complete swings in 34.8 seconds, how much is the frequency?

    asked by Lozzzz on March 10, 2017
  87. Physics 2

    the microwave protion of the spectrum has wavelengths ranging from 1 mm to 1 m. find the corresponding frequency?

    asked by seanmarch58 on July 27, 2014
  88. Chemistry

    What is the frequency of the photons emitted by hydrogen atoms when they undergo transition from n=4 to n=3?

    asked by Terrill on November 14, 2015
  89. physics

    In a CD, the characteristic that is given in binary is the wave of which of the following? A) amplitude B) None of these.C) quality.D) speed.E) frequency.

    asked by Jim on April 30, 2012
  90. MATH

    Construct a grouped frequency distribution for the following 28 scores using a class width of 4: 64 63 58 46 52 62 47 49 56 47 43 41 45 51 60 62 51 61 50 55 56 53 54 58 48 48 58 46

    asked by Jen on October 9, 2011
  91. Physics

    Does the speed of sound in air depend on the frequency of the wave? V=[(gamma.RT)/M]^(1/2)

    asked by Anonymous on July 12, 2017
  92. Math

    Construct a grouped frequency distribution for the following 28 scores using a class width of 4: 64 63 58 46 52 62 47 49 56 47 43 41 45 51 60 62 51 61 50 55 56 53 54 58 48 48 58 46

    asked by Jen on October 9, 2011
  93. science

    Find the frequency and wavelength of a 50-MeV gamma-ray photon.

    asked by Sheryl on October 9, 2011
  94. Algebra 2

    What is the frequency of the function f(x)? f(x)=−2sin(x/4)+3 Express the answer in fraction form. would is be (x/4)?

    asked by sammiexo on June 15, 2017
  95. stats

    find standard deviation for this problem daily precip- frequency-31,1,0,2,0,1 0.oo-0.49 0.50-0.99 1.00-1.49 1.50-1.99 2.00-2.29 2.50-2.99

    asked by ebony on May 8, 2008
  96. physics

    What is the wavelength of the higher frequency limit (18 megahertz) in dry air at 0 C?

    asked by Alyson on October 15, 2009
  97. MATH

    Construct a frequency distribution table to organize the following set of data: 16 23 24 23 24 20 15 16 21 15 16 19 17 15 23 16 18 19 20 19

    asked by Jen on October 9, 2011
  98. Chemistry Physics

    What is the wavelength of an electromagnetic wave with frequency 50.0 MHz? Am I starting this problem like this? 3.00*10^8/50*10^6 =6*10^12

    asked by Ben on November 24, 2014
  99. Math Physics

    What is the wavelength of an electromagnetic wave with frequency 50.0 MHz? Am I starting this problem like this? 3.00*10^8/50*10^6 =6*10^12

    asked by Ben on November 24, 2014
  100. 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)?

    asked by RAHRAH. on March 29, 2011