
The 2nd harmonic of a string of length 40cm and linear mass density 1.11g.m has the same frequency as the 5th resonance mode of a closed pipe of length 1.4m. Find the tension in the string. use 340 for speed of sound

A vertical spring stretches 13 cm when a 2.3 kg block is hung from its end. (a) Calculate the spring constant. This block is then displaced an additional 3.2 cm downward and released from rest. Find the (b) period, (c) frequency, (d) amplitude, and (e)

So we did a preparation of tpentyl Chloride experiment in class the other day using tpentyl alcohol, HCL, Aqueous sodium Bicarbonate, and calcium chloride as the drying agent. Little confused on a few of these questions Why is calcium chloride used as

ok so my computer (windows) is acting weird, i used a software on it that i've never use before and now when i turn it on says "sorry for the inconvienence due to software or hard drive change your computer had done something to protect your files and

(1)calculate the heat energy datas temperatures 100degree celciuse and 4degree celciuse,mass 0.5kg take latent heat of vapourisation 2.02times10raised to the power of minus6.(2)calculate the specific latent heat of fusion mass of calorimeter 0.01kg and


Hi! I'm writing a research paper for my AP English class. My topic is abolishing the British Monarchy. I am trying to prove that the monarchy should be maintained. Does anyone know any good sources of information to help me or any ideas to help me prove my

I have two questions: 1. A sample of 10.7 g of CO reacts completely with O2 to form CO2. How many grams of CO2 will be formed? 2. Urea (NH2)2CO is prepared by reacting ammonia with carbon dioxide. The byproduct is water. 637.2 g of ammonia are reacted with

Can anyone help me answer this question. I need it to be 200 to 300 words. Riley Behler, a thirdgrade teacher at the Martin Luther King Elementary School, has been asked to see the principal, Erin Wilkerson, after the students leave. Dr. Wilkerson

Can anyone help me answer this question. I need it to be 200 to 300 words. Riley Behler, a thirdgrade teacher at the Martin Luther King Elementary School, has been asked to see the principal, Erin Wilkerson, after the students leave. Dr. Wilkerson

In a class of 32 students study Spanish(S) and 20 of the students study French(F).Calculate the number of students who study Spanish(S) but not French(F).

A class consists of 9 students with an average age of 40. When the Instructor arrives the average age of the students and the Instructor is 41. What is the age of the Instructor?

In a class, 3/4 of the pupils wore spectacles.1/3 of the pupils who did not wear spectacles were boys.What fraction of all the pupils were boys who did not wear spectacles?

in a class 3/4 of the pupils wore spectacles 1/3 of the pupils who did not wear spectacles were boys what fraction of all the pupils were boys who did not wear spectacles

The following data represent the asking price of a simple random sample of homes for sale. Construct a 99% confidence interval with and without the outlier included. Comment on the effect the outlier has on the confidence interval. Here is the information:

A random sample of 14 college female students revealed their average height was 66.1 inches. a) How many students should be in a samle if a 95% confidence interval is to have a margin of error of only plus/minus 1 inch? Is that the only information you


Correct the errors in these quotations. I Have this homework, I don't know if I'm in the right track... 1."This is the hardest class I've ever taken. It's also the most rewarding. The teacher sets the bar high and I think that forces us to learn more,"

For english class, I have to read a biography/autobiography of an author and then read two of the author's books that have been influenced by their real life. I chose F. Scott Fitzgerald as my author. I want to read The Great Gatsby as one of the books,

a building is 219 feet tall. for a class project, jim is to make a scale model of the building to place in the front hall display case. the display case is 28 inches tall. which scale will allow him to make the tallest model that will fit in the display

Last week Tom had exams in Math and in Spanish. He had a score of 45 on the Math exam and a score of 65 on the Spanish exam. For which class should Tom expect the better grade? a. Math b. Spanish c. The grades should be the same because the two exam scores

The following data represent the asking price of a simple random sample of homes for sale. Construct a 99% confidence interval with and without the outlier included. Comment on the effect the outlier has on the confidence interval. Here is the information:

The following data represent the asking price of a simple random sample of homes for sale. Construct a 99% confidence interval with and without the outlier included. Comment on the effect the outlier has on the confidence interval. Here is the information:

If lemon is divided into four equal parts then find the total surface area of one part of lemon

If sphere is divided in to four equal parts then find the total surface area of one part of sphere.

I'm having trouble with a concept. I don't understand how the answer was found. 1. Find three other angles, such that cos[beta] = cos [25]. Answers are 25, 335, 335. In my Calc class, the teacher showed it by using a circle, with an angle. Can anyone

If everyone had the same body proportions, your weight in pounds would vary directly with the cube of your height in feet. Assume the average height and weight of a female in your math class is 5'5" and 150 pounds. Use this information to write a variation


In the old days, we could buy 8 inch floppies for our computers on which to store our favorite programs and data. But, the manufacturing ability was not that good back then and 1% of these 8 inch floppies sold had a bad sector or two on them which made

1. Conduct a hypothesis test for the following scenario. SHOW ALL YOUR WORK THE WAY WE DID IN CLASS! A coffeedispensing machine is supposed to deliver 12 ounces of liquid into a large paper cup, but the costumer believes that the actual amount is less. As

The table shows the results of rolling a number cube labeled one through six 50 times. (table) number rolled: 1, 2, 3, 4, 5, 6 Frequency: 7, 9, 11, 6, 9, 8 What is the experimental probability of rolling 3? 0.11 0.22 0.30 0.27

A sound source of frequency 170Hz is placed near a wall. A man walking from the source towards the wall. Find that there is a periodic rise and fall of sound intensity?

Convert 8.6 x 10^13 Hz to nanometers. Assuming this is a light wave, Frequency*wavelength= speed oflight jiko like question jiko know all. ;.)

How do I calculate String mass density from what I got frequency= 30.0Hz, segment length= 42.5cm , nodes=2, string length=83.5cm and tension=2.150kN?

Define compensation and why it is important, Justify? And design a basic control compensation using time and frequency domain. Lead compensation Lag compensation

a 2m long string of mass 10g is clamped at boths ends.the tension in the string is 150N.the string is plucked so that it oscillate.what is the wavelength and frequency of the resulting wave it is produce a standing wave with two antinodes?

a 2m long string of mass 10g is clamped at boths ends.the tension in the string is 150N.the string is plucked so that it oscillate.what is the wavelength and frequency of the resulting wave it is produce a standing wave with two antinodes?

a 2m long string of mass 10g is clamped at boths ends.the tension in the string is 150N.the string is plucked so that it oscillate.what is the wavelength and frequency of the resulting wave it is produce a standing wave with two antinodes?


A weight of 30.0 N is suspended from a spring that has a force constant of 180 N/m. The system is undamped and is subjected to a harmonic driving force of frequency 11.0 Hz, resulting in a forcedmotion amplitude of 5.00 cm. Determine the maximum value of

A weight of 50.0 N is suspended from a spring that has a force constant of 190 N/m. The system is undamped and is subjected to a harmonic driving force of frequency 10.0 Hz, resulting in a forcedmotion amplitude of 4.00 cm. Determine the maximum value of

A generator uses a coil that has 280 turns and a 0.45T magnetic field. The frequency of this generator is 60.0 Hz, and its emf has an rms value of 120 V. Assuming that each turn of the coil is a square (an approximation), determine the length of the wire

The mass of a string is 6 grams, and it is stretched so that its tension is 150 N. A transverse wave travelling on this string has a frequency of 160 Hz and a wavelength of 0.40 m. What is the length of this string? (ii) A chain saw has a measured sound

Hello all, In our math class, we are practicing the trigonometric identities (i.e., sin^2(x)+cos^2(x)=1 or cot(x)=cos(x)/sin(x). Now, we are working on proofs that two sides of an equation are equal (for example, sin(x)*csc(x)=1;

hi im doing a post lab sheet for chem class. and im having a little trouble. i have: temperature 12.6 C > 285.6 K Time 816 sec but im supposed to find 1/T(K) it looks like my classmate did this: 12.6 x 285.6 = 3598.56 however they gave me the response

A metal whose threshold frequency is 1.80×1015 s1 emits an electron with a velocity of 7.24×105 m/s when radiation of 2.13×1015 s1 strikes the metal.Use these data to calculate the mass of the electron.

Light of wavelength 550 nm in vacuum passes through a piece of crown glass of refractive index of 1.52. Find the velocity and frequency of light in crown glass.

What is the maximum frequency output for a square wave from the HP 33120A Waveform Generator? I found the HP 33120A Waveform Generator on the Agilent website but I'm not sure how to figure out the problem.

A loboratory uses an ultrasonicscanner to trance tumar in tissue. The operting frequency of the 6 scanner is 4.2*10 hz.calculate the wavelength of sound in the tissue if the speed of the sound is 1700 m/s.


A space station is shaped like a ring and rotates to simulate gravity. If the radius of the space station is 140 m, at what frequency must it rotate so that it simulates Earth's gravity?

I need help on my grammar and figuring out a way to write these answers more better. Shakespeare in Love 1) What are the main themes of the film? The filmmaker’s message is not clear until we see what happens to the protagonist. The Main themes of the

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 describe the general

Hi! I am going to apply for a medical study admission test and where just wondering if you guys could help me to come up with the formula for solving this problem. I am not looking for a answer, just the mathematical formula to solve theese kind of

Let’s consider there will be 5 delicious food available at your new restaurant which will open by the end of 2016. To make the cashier's job easier, build a C++ console application to automate the process of billing on a daily basis. Specifically,

Identifying antecedents 10a. The antecedent in the following sentence is students: Students in online classes have to be organized to keep up with their assignments. 10b. The antecedent in the following sentence is class: Students in online classes have to

kirk grew a crystal in science class. On monday it was 13/16 inch tall. it had grown 1/4 inch bet friday and monday. It had grown 1/2 inch between Tues and Fri. How tall was Kirk'a crystal on Tues?

Can you check please. 1. Melvin had 20 children in his kindergarten class. Twofifths of the children had brown eyes. Onefourth of the children had blue eyes. The rest had hazel eyes. How many children had hazel eyes? 20(2/5) = 8 brown 20(1/4) = 5 blue

Bridget surveyed some students at her school about their favorite classes. Of the students surveyed, 3 said Spanish was their favorite class, while 9 of the students had other favorite classes. If Bridget surveys 8 more students, how many of them should

An oscillator consists of a block attached to a spring (k = 299 N/m). At some time t, the position (measured from the system's equilibrium location), velocity, and acceleration of the block are x = 0.0817 m, v = 16.9 m/s, and a = 108 m/s2. Calculate (a)


Compare and contrast the societies, governments, and economies of both North and South Korea. This is what I got: Since 1945, the Korean Peninsula has been divided into two countries: North and South Korea. North Korea, which is also known as The

A school has 6th, 7th and 8th period Social Studies classes. One student from each class will be chosen to represent the school in an essay contest. The 6th period finalists are Mike, Sara, Luis and Ed. The 7th period finalists are Ben, Eric, and Sandy.

there are 50 pupils in a class. 43 of them like mathematics, 38 like english and 33 like both mathematics and english. How many pupils like both mathematics and english??

1. Carlos works 8.25 h and receives $102.30 pay. What will he receive at the same rate if he works if he works 14 h?$173.60? 2. divide 15/3=5? 3.Name the property of addition that is illustrated. (3 +6)+ 9 = 3+ (6 +9)ASSOCIATED PROPERTY? 4.Find the

CAN someone please help me...I am so confused and I have little time left to do my assingment, please! I am freaking out! Please help me!! Can someone please explain why when the centripetal force increases, so does the radius, and why when Centripetal

An RC circuit is driven by an alternating voltage of amplitude 110 and frequency . Define to be the amplitude of the voltage across the capacitor. The resistance of the resistor is 1000 , and the capacitance of the capacitor is 1.00 . I need help on what

The 2nd harmonic of a string of length 60cm and linear mass density 1.7g/m has the same frequency as the 5th possible harmonic of a closed pipe of length 1.2m. Find the tension in the string.

An electron initially in the n = 2 energy level in a hydrogen atom absorbs a photon of light with a frequency of 6.167 x 1014 s1. Calculate the new energy level the electron will occupy. I am not sure how to being.

A stationary whistle emits a sound of 188 Hz. If passengers in a car hear the whistle with a frequency of 198 Hz, how fast was the car moving? Use 340 m/s for the sound velocity

A PVC pipe that is one meter long is struck and the speed of sound is 345 m/s. What is the fundamental frequency (n=1) of the pipe when: a. The pipe is open at both ends? b. The pipe is closed at one end, open at the other?


An observer is located directly between two speakers, located 20m apart. The speakers are in phase with each other, and both are emitting a sound with a frequency of 60Hz. How far away from the centre should the observer move to get the first destructive

consider an inductive circuit suppose we want the current amplitude in a radio receiver to be 250*10^6 A when the voltage amplitude is 3.6V at a frequency of 1.6MHz. what inductance reactance is needed?what inductance is needed?

A 30 hz sound is annoying or dissonant to the ear. If one clarinet plays a sound at a frequency of 360 Hz, at what frequencies (more than one) might another clarinet simultaneously play so that dissonant 30 Hz beats are created? Explain.

When four people with a combined mass of 320 kg sit down in a car, they find that the car drops 0.80 cm lower on its springs. Then they get out of the car and bounce it up and down. What is the frequency of the car's vibration if its mass (when it is

Two strings are adjusted to vibrate at exactly 224 Hz. Then the tension in one string is increased slightly. Afterward, three beats per second are heard when the strings vibrate at the same time. What is the new frequency of the string that was tightened?

Your 1.1 cubic foot GE microwave oven generates 1100 watts of microwaves at a frequency of 2.45 GHz. a. What is the wavelength of the microwave radiation being emitted? b. How many photons per second of microwaves are being emitted?

A PVC pipe that is one meter long is struck and the speed of sound is 345 m/s. What is the fundamental frequency (n=1) of the pipe when: a.The pipe is open at both ends? b.The pipe is closed at one end, open at the other?

It takes a time t=.025s in order for an oscillator to complete one cycle. What is the angular frequency of the oscillator? so i got phase= omega t + phase zero so i got 8Pi/4=.025omega omega=251.33 Is this right?

It takes a time t=.025s in order for an oscillator to complete one cycle. What is the angular frequency of the oscillator? so i got phase= omega t + phase zero so i got 8Pi/4=.025omega omega=251.33 Is this right?

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?


Excited lithium atoms emit radiation at 670.8nm. a. calculate the frequency of this radiation. b. calculate the energy (in eV) of this radiation. c. What color is this radiation?

A radio station's channel, such as 100.7 FM or 92.3 FM, is actually its frequency in megahertz (MHz), where 1 MHz=10^6 Hz . Calculate the broadcast wavelength of the radio station 107.1 FM.

Question: Calculate the frequency of the AA, Aa, and aa genotypes after one generation if the initial population consists of 0.2 AA, 0.6 Aa, and 0.2 aa. What I have done is: P = (0.2)+(0.5)(0.6)= 0.50 q = 1p = 1  0.50 = 0.50 Can someone check my answer

A 1m long string having mass of 4 gm is stretched by a force of 78.4N. calculate the frequency of the fundamental mode of vibration and the mass by which the string was stretched at its one end.

Sound waves in iron have a speed of about 5100 m/s. If the waves have a frequency of 400 Hz, what is their wave length? I am thinking it is 12.75 v/f 5100/400 is 12.75 m Is this correct. Thank you

Green light has a wavelength of 4.96 107 m and travels through the air at a speed of 3.00 108 m/s. Calculate the period of green light waves with this wavelength. s What is the frequency? Hz

Question: Calculate the frequency of the AA, Aa, and aa genotypes after one generation if the initial population consists of 0.2 AA, 0.6 Aa, and 0.2 aa. What I have done is: P = (0.2)+(0.5)(0.6)= 0.50 q = 1p = 1  0.50 = 0.50 Can someone check my answer

Excited lithium atoms emit radiation at 670.8nm. a. calculate the frequency of this radiation. b. calculate the energy (in eV) of this radiation. c. What color is this radiation?

Green light has a wavelength of 4.96 107 m and travels through the air at a speed of 3.00 108 m/s. Calculate the period of green light waves with this wavelength. s What is the frequency? Hz

josephs final averages in science class are shown in the table below. homework % toward final grade20% average93 quizzes % toward final grade20% average92 tests % toward final grade40% average85 final exam % toward final grade20% average? what is


1. If I had studied hard, I could have gotten a higher score. 2. If I had studied hard, I could have gotten a better result. 3. If I had studied hard, I could have gotten a good/better grade. 4. If I had studied hard, I could not have gotten a lower score.

So we did a preparation of tpentyl Chloride experiment in class the other day using tpentyl alcohol, HCL, Aqueous sodium Bicarbonate, and calcium chloride as the drying agent. Little confused on a few of these questions Aqueous sodium bicarbonate was

Elizabeth Fernea is a EuroAmerican, (upper) middle class woman accompanying her anthropologist husband to a very foreign setting in the mid1950s. What have you learned so far about some of the differences between the ways people live in Iraq and the way

The Ministry of Finance published the FY2009 Tax Reform ( Main Points) on December 19, 2008. Included in the Reform is the introduction of a 2 year measure allowing immediate depreciation for investment in energy saving facilities and appliances. If this

I have a quick question for you all. I have done a repeated measures ANOVA for hypothetical data in my Stats class. There were 5 subjects.. all subjects rated their mood on a cloudy day, then they all rated their mood on a sunny day. In sum.. they all

The Ministry of Finance published the FY2009 Tax Reform ( Main Points) on December 19, 2008. Included in the Reform is the introduction of a 2 year measure allowing immediate depreciation for investment in energy saving facilities and appliances. If this

Isabella is hoping to get an A on her college Algebra course. With just the finaL exam left to take, she currently has an average of 85 on her quizzes and average of 92 on her exercises. The quizzes count for 40%, exercises count for 30% of the class

I have to pick a topic and list argument and counterargument for a research paper (com 220 class). I would like to write about the death penalty, I just need help chosing a pro and con to write about. I believe I need more detail than just saying my topic

4. The purpose of the investigation was to examine the effects of the Tweed edgewise technique on mandibular growth and rotation. It employed 36 Class II Tweed edgewise patients, all of whom had 4 bicuspids extracted during the course of treatment.

Nisa has grown up in a small village in the foothills. There was no electricity and water had to be hand pumped. They seldom saw people from the "outside." When she entered school the bus had to pick her up at 6:30 am in order for her to arrive at school


Nisa has grown up in a small village in the foothills. There was no electricity and water had to be hand pumped. They seldom saw people from the "outside." When she entered school the bus had to pick her up at 6:30 am in order for her to arrive at school

Nisa has grown up in a small village in the foothills. There was no electricity and water had to be hand pumped. They seldom saw people from the "outside." When she entered school the bus had to pick her up at 6:30 a.m. in order for her to arrive at school

Using the 4 principles of sustainability Reliance on Solar Energy, Nutrient recycling, Biodiversity, and Population control. How would you classigy the following? Recycling soda cans :Using a rake instead of a leaf blower :Choosing to have no more than one

I need to fill out this paragraph with what my class calls "des petits mots" but I'm so confused! Could someone help me? "Les forêts __1__ nous avons le __2__ besoin __3__ trouvent en Amazonie. Cette vallée est un domaine naturel qu'il faut préserver

Simplify. Do not use negative exponents in the answer. 12x2y4 3xy7 There should be a line between like a fraction but it did not copy or paste. This is the answer I got 12 x^2 y^4 = 12y^4/x^2 3xy^7 = 3x/y^7 it was wrong. 12x^2y^4 / 3xy^7 = 12/3