# 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 41-
## Math

25 pea pods were broken apart and the number of peas in each pod recorded. the record looked as foolows: # of peas: 2,3,4,5,6 and frequency; 7,9,5,3,1 a. does this data appear to be skewed? b. What is the model class for theis survey?

*asked by doris on April 6, 2011* -
## Physics ( oscillations and waves)

a stretched string is observed to vibrate with frequency 30Hz in its fundamental mode when the supports are 60cm apart. the amplitude at the antinode is 3cm.the string has a mass of 30kg.calculate the speed

*asked by Pavan s m on March 14, 2017* -
## Physics

If you have three waves corresponding to to the lowest three frequencies of vibrations of a 30 cm air column, what is the wavelength of the standing wave in each case? What frequency is heard in each pipe? The only information I have is that the speed of

*asked by Eiban on March 20, 2014* -
## physics

okay the question i got was asking the lengths of the first, second, and third waves of a standing wave, of a string that is fixed at both ends. the strings length is 2.38 meters. Ive already figured out the three lengths, being 4.76, 2.38, and then 1.59.

*asked by Matt on December 6, 2010* -
## Physics

The human heart discharges 75ml of blood at each beat against the pressure of 0.1mmHg. Calculate the power of the heart assuming that the purse frequency is 80 beats per minute.(density of mercury is 13.6*10^3 Kg/m3)

*asked by Ben on April 20, 2016* -
## Physics

A 200 g mass attached to a horizontal spring oscillates at a frequency of 2 Hz. At one instant the mass is at x=5 cm and has a Vx=-30 cm/s.Determine: a) the period ( i got T=.5s) b) the amplitude c) the max speed d) the total energy need equations to solve

*asked by Sarah on July 7, 2010* -
## As Physics

Please help me with this calculation __________________

*asked by Susan on March 4, 2010* -
## physics

The fundamental frequency of a string fixed at both ends is 375 Hz. How long does it take for a wave to travel the length of this string? Please check my answer Solution: f=v/2L v=2Lf t=1/2f=l/v 1/2(375hz)= .0013 sec

*asked by Coreen on May 1, 2007* -
## Physics

Four penguins are being pulled along very slippery (frictionless) ice by a curator. The masses of the three penguins are given below and so are two of the tensions. Find the penguin mass that is not given. 12kg---Unknown--111N--15kg---20kg--222N After

*asked by Jenn on October 18, 2007* -
## chemistry

The reaction described by the equation Zn + Hg2Cl2 2Hg +Zn+2 + 2Cl is run on electrochemical cell. The E^0 of the cell at 25 degrees C is 1.03V. In the same cell, [Cl-]=.10 M and [Zn+2] is unknown, and the measured cell voltage is 1.21V. Compute the value

*asked by Dylan on April 12, 2012* -
## Physics

A rock dropped into a pond produces a wave that takes 14.6 s to reach the opposite shore,21.1 m away. The distance between consecutive crests of the wave is 5.3 m. What is the frequency of the wave?

*asked by Priscilla on December 4, 2012* -
## Physics you probably understand

A typical steel B-string in a guitar resonates at its fundamental frequency at 240 Hertz. The length of the string is 0.640 m. What is the wave velocity along the string?

*asked by College student in need of help on March 31, 2011* -
## physics

light is an electromagnetic wave and travels at a speed of 3.00 x 108 m/s. the human eye is most sensitive to yellow-green light which has a wavelength of 5.45 x 10-7 m. what is the frequency of this light?

*asked by Joe on November 18, 2012* -
## Physics

A singer moves a note up one octave. How has the sound changed? The amplitude has decreased The wavelength has increased The speed has increased The frequency has increased

*asked by Me and I on June 13, 2014* -
## Physics

When a 65 kg person climbs into a 1000 kg car, the car's springs compress vertically by 3.1 cm. What will be the frequency of vibration when the car hits a bump? Ignore damping.

*asked by Eric on January 27, 2010* -
## 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

*asked by joe on February 16, 2012* -
## Physics

A string is fixed at both ends and vibrating at 120 Hz, which is its third harmonic frequency. The linear density of the string is 4.9x10-3 kg/m, and it is under a tension of 3.6 N. Determine the length of the string.

*asked by Tim on March 3, 2013* -
## Physics

A string of length 2.7 m is fixed at both ends. When the string vibrates at a frequency of 90.0 Hz, a standing wave with 5 loops is formed. What is the wavelength of the waves that travel on the string?

*asked by Anonymous on February 25, 2015* -
## Physics

Ultrasound with a frequency of 4.275 MHz can be used to produce images of the human body. If the speed of sound in the body is the same(1.79 km/s) as in salt water, what is the wavelength in the body?

*asked by Erica on February 6, 2012* -
## 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

*asked by Logan on November 10, 2011* -
## Physics 1

a 12.5 m long string vibrates as 100 hertz standing wave with nodes at 1.0m and 1.5m from one end of the string and at no points in between the two. Which harmonic is this? What is the string's fundamental frequency?

*asked by David on November 2, 2016* -
## Physics

A rock dropped into a pond produces a wave that takes 15.9 s to reach the opposite shore, 31.8 m away. The distance between consecutive crests of the wave is 3.1 m. What is the frequency of the wave?

*asked by Abby on May 10, 2016* -
## physics

When a 85.0 kg. person climbs into an 1800 kg. car, the car's springs compress vertically 1.8 cm. What will be the frequency of vibration when the car hits a bump? (Ignore damping.)

*asked by kassy on November 20, 2016* -
## Physics

When a 81.0 kg. person climbs into an 1400 kg. car, the car's springs compress vertically 1.5 cm. What will be the frequency of vibration when the car hits a bump? (Ignore damping.)

*asked by Brett on July 26, 2013* -
## physics

A rock dropped into a pond produces a wave that takes 15.7 s to reach the opposite shore, 24.3 m away. The distance between consecutive crests of the wave is 3.5 m. What is the frequency of the wave?

*asked by Anonymous on September 23, 2014* -
## physics

A 2.49-m-long string, fixed at both ends, has a mass of 7.17 g. If you want to set up a standing wave in this string having a frequency of 455 Hz and 5 antinodes, what tension should you put the string under?

*asked by janny on March 3, 2012* -
## Science

Name the type of research for each of the following and rank them 1-5 (1 strongest, 5 weakest: 5 points). A. A researcher collects questionnaires from people who exercise and nonexercising people to determine whether there was a difference in physical

*asked by SammieR on January 26, 2011* -
## Physic

The simple pendulum in a tall clock is 0.30 m long. What is the period of this pendulum? T = s What is the frequency of this pendulum? f = Hz

*asked by Anonymous on May 7, 2011* -
## Math

If a grade was drawn at random from the data shown below, what is the probability that the grade is not a B? Grade Frequency A 2 B 8 C 11 D 2 F 1 I think it is 1 out of 5 or 4 but I am not sure? Please help :) Thank you much!

*asked by Shannon on December 5, 2010* -
## 12th grade

one type of probability used everyday is: a)experienced probability b)scientific probability c)frequency of occurence d)none of the above

*asked by david on December 15, 2010* -
## Science

A student heats 4.00 g of a blue compound, which reacts completely to produce 2.56 g of a white compound and an unknown amount of colorless gas. What is the mass of the gas? Answer?_________ Work area: Reactant (s) = Product (s)

*asked by Tanner on November 30, 2009* -
## Chemistry

The vapor pressure of water at 95C is normally 6.33.9 but decreased to 561.2mmHg upon addition of an unknown amount of NaOCl to 164.3g of water at this temp. How many grams of NaOCl was added assuming complete dissociation of the solute

*asked by Jay on April 23, 2011* -
## Science : physics

An electron travels in a circle of radius 6.1 m while under the influence of an unknown magnetic field, directed perpendicular to its velocity. If the particle makes 6.6 trillion complete revolutions per second, determine the magnitude of the magnetic

*asked by Zana on July 5, 2017* -
## Mathematics

Dear Jiskha, I will appreciate if you can show me step by step how this geometry math question is solved. Using the Pythagorean Theorem,how do i find the length the unknown side 'b'. Side 'a' has a measurement of 1...the hypotenuse: a square root of 2.

*asked by Ryan on August 19, 2008* -
## Chemistry

A 25g piece of an unknown metal alloy at 150 degrees Celsius is dropped into an insulated container with 200 g of ice. Calculate the specific heat capacity of the metal, given that 9.0 g of ice melted. How would you work this out?

*asked by Fred on July 5, 2016* -
## chemistry

A 125.0 mg sample of an unknown, monoprotic acid was dissolved in 100.0 mL of distilled water and titrated with a 0.050 M solution of NaOH. The pH of the solution was monitored throughout the titration, and the following data were collected. Determine the

*asked by Mohanad on March 11, 2014* -
## Math

the population of a city of 750,000 us devastated by an unknown virus that kills 20% of the population per day. The use the equation to find: how many people are left after a week. write the exponential equation to solve and use what each variable

*asked by JT on November 7, 2017* -
## ochem

A student dissolved 30 mg of a crude unknown in 2 ml of 95% ethanol at room temperature. After chilling in an ice bath and washing crystal with small amount of ice-cold ethanol, she recovered 5mg. Why was the recovery so low?

*asked by Anonymous on October 6, 2010* -
## Math

ack's science teacher gave each student in his class 15.0 grams of an unknown substance to identify. Each student was required to verify the mass of their substance by taking four measurements. Which of Zack's measurement was the most accurate of the four

*asked by Chasidy on May 1, 2015* -
## physics

The width of the doorway is 83 cm, and the speed of sound is 343 m/s. Find the diffraction angle when the frequency is each of the following. (a) 4.8 kHz If theta is the diffraction angle. Sine(theta)= lambda/slit width where lambda = wave length so you

*asked by Cavin on May 1, 2007* -
## physics

A mass of 2.9 g is hanging underneath a spring which has an unknown spring constant. The period of oscillation is 5.5 seconds. Find the spring constant in N/m. Give your answer to 2 s.f.

*asked by jake on June 15, 2014* -
## physics

A mass of 2.9 g is hanging underneath a spring which has an unknown spring constant. The period of oscillation is 5.5 seconds. Find the spring constant in N/m. Give your answer to 2 s.f.

*asked by jake on June 16, 2014* -
## General Chemisty

42.55mL of a standardized 1.005 M NaOH solution was necessary to exactly neutralize 30.0mL of an aqueous H2SO4 solution of unknown concentration. What is the molarity of the H2SO4 solution?

*asked by Cherokee on February 16, 2014* -
## Chem

A scientist finds that one volume of an unknown gas X combines with 2 volumes of another gas Y to form 2 volumes of a new gas with a formula XY2. What is the balanced equation?

*asked by Anonymous on January 21, 2015* -
## math

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

*asked by Anonymous on February 7, 2019* -
## chemisty

600 mL of an unknown monoprotic acid was titrated with a standard solution of a 1.0 M base. If it took 40.0 mL of the base to neutralize the acid, what was the H+ ion concentration of the acid in moles per Liter?

*asked by ana on December 14, 2010* -
## statistics

A random sample of 10 observations is selected from the first normal population and 8 from the second normal population. For the hypothesis, H0: ¦Ì1 ¡Ü ¦Ì2, (.01 significance level), what is (are) the critical value(s)? (Population standard

*asked by Anonymous on July 30, 2011* -
## chemistry

Three gases (8.00 of methane, , 18.0 of ethane, , and an unknown amount of propane, ) were added to the same 10.0- container. At 23.0 , the total pressure in the container is 3.50 . Calculate the partial pressure of each gas in the container.

*asked by emmanuel on May 5, 2010* -
## Physics-Gravity

A 17.0-kg satellite has a circular orbit with a period of 2.31 h and a radius of 9.10×106 m around a planet of unknown mass. If the magnitude of the gravitational acceleration on the surface of the planet is 8.10 m/s2, what is the radius of the planet?

*asked by Anna on July 17, 2010* -
## Chemistry

Three gases (8.00 of methane, , 18.0 of ethane, , and an unknown amount of propane, ) were added to the same 10.0- container. At 23.0 , the total pressure in the container is 3.90 . Calculate the partial pressure of each gas in the container.

*asked by Stephen on August 2, 2010* -
## Pyshics

The wavelength of light visible to the human eye is on the order of 6x10^-7 m. Find the frequency of the light wave if the speed of light in air is 2.99792x10^8m/s. Answer in s^-1

*asked by John on February 20, 2019* -
## physics

When a 69 kg person climbs into a 1000 kg car, the car's springs compress vertically by 2.9 cm. What will be the frequency of vibration when the car hits a bump? Ignore damping. answer should be given in Hz.

*asked by molly on September 26, 2011* -
## Music Physics

The clarinet's lowest note is D3, 147 Hz. What is its effective length, that is, the length of an idealized closed pipe that has this frequency for its first mode? Explain why this is less than the actual length of the instrument?

*asked by AAA on April 19, 2012* -
## algebra

Solve by setting up the proper equation to describe the facts given and then carrying out the mathematical calculations to solve for the unknown variable(s). The difference between two numbers is 3, and the sum of those two numbers is 21. What are the two

*asked by Cory on July 7, 2012* -
## Chemistry

Suppose you suspect that your unknown is either copper (II) nitrate or copper (II) sulfate. You decide to add NaOH to your known as a test reagent. Will this test distinguish between the two possibilities? If not, could you suggest a different test?

*asked by Pat on October 21, 2015* -
## chemistry

Three gases (8.00 of methane, 18.0 of ethane, and an unknown amount of propane, were added to the same 10.0-L container. At 23.0 C , the total pressure in the container is 3.60 atm. Calculate the partial pressure of each gas in the container.

*asked by Jamie on November 20, 2010* -
## S.O.S.

predict where an unknown element that has the properties would fit in the periodic table:it is has properties of a semimetal. and has somewhat reactive. A.group 1&2 B.group 18 C.the stair-step of line elements D.group 11&12

*asked by bri;) on May 3, 2017* -
## physics lab

For an unknown sample of the experiment, students measure 1602 counts when they first receive their sample and 1317 counts 3.5 minutes later. Calculate the half-life t12 of their sample.

*asked by Lauren on November 14, 2012* -
## Physics

15)A small ball of mass m is aligned above a larger ball of mass M = 1.2 kg (with a slight separation, as with the baseball and basketball of Figure (a)), and the two are dropped simultaneously from height h = 2.4 m. (Assume the radius of each ball is

*asked by Anonymous on May 25, 2017* -
## Math

HOW WOULD I SOLVE SOMETHING LIKE THIS, IT IS AN EXAMPLE I MADE UP. ITS SIMILAR TO THE ONE I HAVE. I DON'T GET IT. THERE ARE TWO UNKNOW VARILABLES AND SOME NUMBERS. HOW DO I POSSIBLE SOLVE THIS. MAYBE I DON'T HAVE TO SOLVE ANYTHING THAT IS WHAT I WAS

*asked by Sammy on February 1, 2007* -
## Chemistry

An unknown amount of gas occupies 30.0 L at 2.1 ATM and 298K. How many moles does the sample contain? What is the mass if the gas is helium? What is the mass if the gas is argon?

*asked by Jake on April 10, 2013* -
## Chemistry

An unknown amount of gas occupies 30.0 L at 2.1 atm and 298K. How many moles does the sample contain? What is the mass if the gas is helium? What is the mass if the gas is argon?

*asked by Ryan on April 10, 2013* -
## Math

This is trigonometry: A tree's height is unknown so we have to solve for the height of the tree. The tree casts a 11m shadow. And the angle of the triangle is 36 degrees.

*asked by Izzy on February 8, 2015* -
## Chemistry

An unknown amount of gas occupies 30.0 L at 2.1 atm and 298K. How many moles does the sample contain? What is the mass if the gas is helium? What is the mass if the gas is argon?

*asked by Ryan on April 12, 2013* -
## physic

An aeroplane is heading 20 degree North of East,flying at 200km/hr relative to the air. Simultaneously the wind carriers the plane 10degree East of South at speed of 60.0km/hr. (a) find the velocity of the relative to the ground.(you may solve it

*asked by Ishak on March 30, 2017* -
## english

can you please correct this. i compared michael jackson's life to gatsbys from the novel the great gatsby. when i read this out loud it sounded i think it didn't have that contining fluency. please help me make it more fluent! Michael Jackson and Gatsby

*asked by yesudas on August 31, 2011* -
## Bentonia Gibbs

Choose an appropriate scale and interval size for a frequency table that will represent 2341, 2590, 2718,2453, 4160, 2635, 2734,3362, 2744, 2485, 3395, 2350, 4000, 2964, and 2600.

*asked by Shineda on February 23, 2011* -
## physics

A simple harmonic oscillator executes motion whose amplitude is 0.20 m and it completes 60 oscillations in 2 minutes. i) Calculate its time period and angular frequency. ii) If the initial phase is 45°, write expressions for instantaneous displacement,

*asked by meenu on March 29, 2015* -
## biology

A devastating tsunami wipes out most of the population of a frog species that lives on just one tropical island. What is the most likely outcome of this event? A) frequency-dependent selection B)inbreeding depression C)rapid adaptive evolution D)purging of

*asked by Alex on February 3, 2017* -
## physics

27. 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. (3 points) I at least need the formula and how to solve it... not the answer.

*asked by Ms. Simpsonizer on April 19, 2012* -
## Math Models

What type of graph is best suited for displaying the range and frequency distribution of the number of hours the students in a class spend on homework while still showing each individual amount of time spent on homework?

*asked by Anonymous on November 12, 2010* -
## physics

1. What are the examples of supersonic waves? 2. What is match cone, match no? 3. Define echo? 4. What is the effect of frequency on the velocity of sound in a gas? 5. Mathematical expression of beats. ''based on wave motion''

*asked by edward on January 13, 2013* -
## physics

A space station in the form of a large wheel, 173 m in diameter, rotates to provide an “ar- tificial gravity” of 6 . 6 m / s 2 for people located on the outer rim. Find the rotational frequency of the wheel

*asked by Anonymous on October 10, 2016* -
## math

What type of graph is best suited for displaying the range and frequency distribution of the number of hours the students in a class spend on homework while still showing each individual amount of time spent on homework?

*asked by paige on December 13, 2011* -
## Science

I`m a 5th grade student and we are haviing a Sound Science test.I`m looking for defenitions to study from.such as vibrations, decibels, frequency and questions dealing with sound travel. is there a site you could recomend? thank you, cassidy

*asked by Cassidy on February 24, 2010* -
## psy/315

A social psychologist asked 15 college students how many times they “fell in love” before they were 11 years old. The numbers of times were as follows: 2, 0, 6, 0, 3, 1, 0, 4, 9, 0, 5, 6, 1, 0, 2 Make (a) a frequency table and (b) a histogram. Then (c)

*asked by Anonymous on July 1, 2013* -
## Conceptual Physical Science

On a keyboard, you strike a note having a frequency of 256 Hz. (a) Show that the period of one vibration of this tone is 0.00391s. (b) As the sound leaves the instrument at a speed of 340 m/s, show that its wavelength in air is 1.33m.

*asked by Laticia on July 5, 2010* -
## Trig Help

Given the equation for simple harmonic method d=1.3cos(3pi/4 t) answer the following questions: a)Find the maximum displacement. 1.i got 1.3 b)Find the frequency and length of the pendulum c)Calculate the value of d when t=3 i got .919 d)Determine the

*asked by Ryan on March 24, 2016* -
## chemistry

If a student attempts to identify an unknown compound by methodused in this experiment. She finds that when she heated a sampleweighing 0.4862 g the mass went down appreciably, to 0.3067 g. Whenthe product was converted to chloride, the mass went up, to

*asked by johnson on February 27, 2013* -
## math

A bicyclist rode into the 5h. In returning, her speed was 5 mi/h faster and the trip took 4h. What was her speed each way? distance =rate*time The distance is the same. y = rate going z = rate returning Going: d = y*t = y*5 = 5y return: d = z*t = z*4 = 4z

*asked by cheryl on March 19, 2007* -
## chemistry

Imagine there is a tank of unknown gas that contains 53.31% carbon, 35.51% oxygen, and 11.18% hydrogen by mass. At 35.0 °C and 0.470 bar, 2.0 L of the gas has a mass of 3.3 g. Using this information, answer the following questions. a.) What is the

*asked by A on September 27, 2014* -
## trig

Find two standard position primary angles in radians by solving for the unknown. "Primary angles" are those angles which exist between 0 and 2pi. As usual, use exact values in your calculations. cotx + 1 = 0

*asked by Manny on April 28, 2008* -
## chemistry

A 100 g sample of an unknown liquid absorbs 2000 J of heat energy, raising the liquid’s temperature from 50 ◦ C to 70 ◦ C . What is the speciﬁc heat capacity of this liquid? No phase change took place.

*asked by mike on December 17, 2012* -
## Chemistry

If 0.823g of an unknown gas occupies a volume of 702.0 mL at 38.9 deg. Celsius, and 726.2 mm Hg pressure, what is the molar mass of the gas? (pressure has already been corrected for water vapor pressure)

*asked by Carla on April 17, 2011* -
## Microbiology

Due to the prospect of interplanetary travel, how would you attempt to isolate and identify a bacterial infection acquired on another planet. This bacteria is unknown to use and does not appear in Bergey's or the manual of clinical microbiology. Look for

*asked by Allison on May 4, 2007* -
## Math Calculus

You have an unknown function that is monotone increasing for 1 < x < 5 and have the following information about the function values. With the clear understanding that there is no way to get an exact integral, how would you try and approximate the area

*asked by Karan Shah on March 6, 2008* -
## CALC - area under a curve

You have an unknown function that is monotone increasing for 1

*asked by anonymous on March 6, 2008* -
## Math

You have an unknown function that is monotone increasing for 1 < x < 5 and have the following information about the function values. With the clear understanding that there is no way to get an exact integral, how would you try and approximate the area

*asked by Karan Shah on March 6, 2008* -
## Chemistry

The vapor pressure of pure water at 90celsius is normally 525.8 but decreased 483mmHg upon addition of an unknown amount of KNO3 to 286.9g H2O at this temperature. how many grams KNO3 were added. ASSUME COMPLETE DISSOCIATION OF SOLUTE. Tried all solutions

*asked by Jude on April 24, 2011* -
## Physics Homework

I have a few questions that I don't understand and would like to get checked, please? 5.If energy is conserved and momentum is conserved, would they both have to be conserved simultaneously in some interaction? My answer: No because each engergy and

*asked by Jenni on September 25, 2007* -
## Math please check

Find the unknown value in the percent proportion. 5/ = 4/100 My asnwear please check am I right? 5/x = 4/100 500=4x the unkown value is 125 So 5/125 = 4/100

*asked by Bryan on July 24, 2008* -
## Chem

A .326L container holds 0.146g of Ne and an unknown amount of Ar at 30C and the total pressure is 627 mmHg. Calculate the moles of Ar present? (I have calculated temp 308K, pressure is 0.825 atm and moles of Ne are .007)

*asked by Staci on March 3, 2010* -
## chemistry

A 1.325 g sample of an unknown vapor occupies 386 mL at 114 celsius and 946 mmHg. The simplest formula of the compound is NO2. What is the molecular formula of the compound? (I have N2O4, is this correct and if not, why not? We never went over this type of

*asked by lavonne on October 19, 2010* -
## algebra

You use a line of best fit for a set of data to make a prediction about an unknown value. The correlation coefficient for your data set is –0.015. How confident can you be that your predicted value will be reasonably close to the actual value? o great

*asked by venusthedalek on December 17, 2018* -
## Physics 2

A) Canadian FM radio station (CLAW) broadcasts lobster information at 95.9 MHz. find the wavelength of this station. (B) What would be the frequency of a station for which the carrier wave was 400 m long?

*asked by seanmarch58 on July 27, 2014* -
## physics

A 5 m by 9 m raft whose mass is 18000 kg floats in fresh water. A 8590 kg load is dropped on the raft. The acceleration of gravity is 9.8 m/s2. With what frequency does the raft bob up and down? Answer in units of Hz.

*asked by eric on April 26, 2010* -
## physics

Consider a pipe with a length of 57.5 cm. If the temperature of the air is 21.5degrees C and the pipe is closed in one end and open in the other, what is the frequency of the third harmonic for the pipe? Post your answer in hertz (Hz) and with 3

*asked by Idali on April 19, 2017* -
## physics

Consider a pipe with a length of 57.5 cm. If the temperature of the air is 21.5+B degrees C and the pipe is closed in one end and open in the other, what is the frequency of the third harmonic for the pipe? Post your answer in hertz (Hz) and with 3

*asked by Idali on April 18, 2017* -
## College Physics 2

A) Canadian FM radio station (CLAW) broadcasts lobster information at 95.9 MHz. find the wavelength of this station. (B) What would be the frequency of a station for which the carrier wave was 400 m long?

*asked by seanmarch58 on July 28, 2014* -
## physics

In an experiment similar to that done by Michelson,the frequency of rotation of the eight-sided mirror is 530 Hz. Calculate the speed of light in air if the distance from the rotating mirror to the stationary mirror is 35.0 km.

*asked by michelle on June 28, 2011*