# When a tuning fork of unknown frequency is sounded simultaneously with a 512 Hz tuning fork, 20 beats are heard in 4.0 seconds. What are the possible frequencies of the unknown tuning fork?

7,356 questions, page 26
1. ## Physics

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

asked by Me on December 7, 2011

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

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

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

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

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

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