Questions Asked on
February 4, 2010

physics
Four identical charges (+2.0ìC each) are brought in from infinity and fixed to a straight line. The charges are located 0.40 meters apart. Determine the electric potential energy of this group.
asked by Eddy 
Algebra I
After a baseball is hit, the height h (in feet) of the ball above the ground t seconds after it is hit can be approximated by the equation h=16t^2+70t+4. Determine how long it will take for the ball to hit the ground. Round your answer to two decimal
asked by Drake R. 
Mathdefinition
What is the prime factorization of a number?
asked by Scott 
Physics (Please help!!!)
1) If a 10. m3 volume of air (acting as an ideal gas) is at a pressure of 760 mm and a temperature of 27 degrees Celsius is taken to a high altitude where the pressure is 400. mm Hg and a temperature of 23 degrees Celsius, what volume will it occupy?
asked by Hannah 
Social Studies
I am doing a crossword puzzle: THe cause of the Panic of 1837 was ? or too many people buying too much land with too little collateral. It starts with an O and has 15 letters?
asked by Mitchell 
algebra
using 9 odd numbers the total should be 90
asked by anay 
Physics (Please help!!!)
1) An ideal gas occupies a volume of 0.60 m^3 at 5atm and 400K. What volume does it occupy at 4.0atm and a temp of 200K? I know how to find the volume with the m^3 and the atm but it threw me off since it gives the 4.0 atm and the temp 200K.
asked by Hannah 
PHYSICS 131 #2
a jetliner, traveling northward,is landing with a speed of 69m/s.once the plane touches down, it has a 750m runway in which speed is reduce to 6.1m/s. compute the avgerage acceleration (magnitude and direction) of the plane during landing.
asked by Darrie 
arithmetic
what is the explicit formula of the sequence 3,1,1,3,5
asked by lashawn 
chemistry
when 25.0 of lithium iodide completely dissolves in water how much heat is evolved
asked by Anonymous 
physics
If there is just one force acting on an object, does its work necessarily result in an increase in kinetic energy? Explain. (Select all that apply.) 1.Yes, when a force does work on an object it always results in an increase in kinetic energy. 2.The work
asked by wassuh 
trig
A population of wolves in a county is represetned by the equation p(t)=80(0.98)^t. where t is the number of yers since 1998. predict the number of wolves in the population in the year 2008.
asked by harpreet 
Biology
c. The cytoskeleton of eukaryotes serves many functions. One of these functions is served in eukaryotes by a different major structure. Which structural feature is it? How do these different structures serve the same function in the two cell types? Is it
asked by mysterychicken 
math
what is a termites favorite breakfast?
asked by laji 
College accounting
What are the major functions or activities performed by accountants in a private industry?
asked by Sheryl 
Social studies
The origin or history of social studies in britain
asked by Festus moses 
programming
java, write a program that prints out the letter X composed of asterisks (*) reply soon
asked by patrick 
Calculus
Evaluate the indefinite integral. (5dx)/(xln(2x))
asked by <3 
chemistry
By means of what single reagent could you distinguish between the following? (Tell what happens to each substance.) Solutions: AgNO3 and Zn(NO3)2 H2SO4 and HNO3 Ag(NH3)2Cl and AgNO3 Solids: AgCl and ZnCl2 AgCl and Hg2Cl2 PbCrO4 and K2CrO4
asked by Becky 
English
Which of the following italicized words is correctly capitalized? I think it is D. is that correct? Thanks or your help.. A. Mount mckinley is the tallest mountain in North America. B. The most beautiful State is Hawaii. C. Marsha speaks excellent german.
asked by Jess 
mgmt 470
Create a table and analyze environmental factors
asked by yvette davis 
chemistry
5.0 moles of a gas is put into a container of 2.0L. More gas is added to the flask s othat there is now 15 moles of the gas present. What must the new volume be if temperature and pressure are to remain constant?
asked by lelia 
math
A pencil, eraser, and notebook cost $1 in total. A notebook costs more than 2 pencils, 3 pencils cost more than 4 erasers, and 3 erasers cost more than a notebook. How much does each item cost?
asked by jason 
English
Who said this quote? "If you are alone, I'll be your shadow. If you want to cry, I'll be your shoulder. If you need to be happy, I'll be your smile. But anytime you need a friend, I'll just be me."
asked by Savannah 
geo
List the set of all even numbers between 2 and 10, inclusive.
asked by miranda 
math
what did the witty raindrop exclaim to all the others
asked by Maggie 
physics
how do i simplify the equation: v^2=Vo^2+2ax to solve for a? a=acceleration
asked by ashley 
Chemistry
Please help me Sketch a separation scheme showing how you would separate the following two component mixture: mnitroaniline and hexanol. All the substances are soluble in ether. You can use any of the following solutions in your separation: aqueous
asked by Elizabeth 
INDO european languages
The Indoeuropean parent language was first spoken by a prehistoric people in: A} Western europe B} Middle east C} Northern india D} Southeastern europe .The answer i choose is C. Am i correct?
asked by laura 
literary English
I need help in the elaboration of "Neo that left you satiated". I'm supposed to describe what it would be like.
asked by Carterita 
algebra
24 is 60% of a monthly goal, what is the total goal?
asked by moosh 
Algebra
Review examples 2, 3, and 4 in section 8.4 of the text. How does the author determine what the first equation should be? What about the second equation? How are these examples similar? How are they different? Find a problem in the text that is similar to
asked by Me 
English
I'm looking for an artivcle by a credible news site (eg: bbc, cnn, TIME, etc). It must be about education. I'm searching for articles mostly about rote learning, and whether or not school will better prepare you for jobs, or about the school curriculum.
asked by alex 
college
whats the mech for this: (Z)2,5dimethylhex3ene and bromine
asked by Anonymous 
math
the lcm of two numbers is 30 the difference between the 2 numbers is 5 and their sum is 25 what are the 2 numbers please help
asked by kiersten 
O Chem
List other oxidizing reagents that could be used to convert the 9fluorenol to 9 fluorenone
asked by A 
O Chem
whats the mech for this: (E)2,5dimethylhex3ene and bromine
asked by A 
mechanics
calculate the gravitational potential energy of a system of 8 masses of 10 kg each placed at the corner of qube of each edge equal to 0.25meter.
asked by ajay 
science
what happens to butterflies after a predator come through include the word gene and natural selection
asked by chris 
8th grade
who was emily tassey and who were her kids
asked by d 
chemistry
1)The element nickel has ccp packing with a facecentered cubic unit cell. The density of nickel is 8900 kg/m3 and the cell volume is 4.376 x 1023 cm3. Calculate the value of Avogadro's number to three significant figures based on these data. (Note: the
asked by blasting 
chemistry
1)The element nickel has ccp packing with a facecentered cubic unit cell. The density of nickel is 8900 kg/m3 and the cell volume is 4.376 x 1023 cm3. Calculate the value of Avogadro's number to three significant figures based on these data. (Note: the
asked by blasting 
ELA
what are some important characteristic in order to... 1..Succeed in school? 2..Get a job? 3..Get into college?
asked by Leslie 
8th grade science
What is a vertical section of the ocean from it's surface to the ocean floor called?
asked by Sandy 
ehglish
i need to know if i need to add any puctuation?Descriptive paragraph Deborah Paul A loyal Friend My loyal friend Mary Ellen is 48 years old with shoulder length black hair and dark brown eyes. Mary Ellen works full time as an RPN in a nursing home taking
asked by deborah 
Economics
Help! I have an assignment and I lost my textbook. Does anyone have "Managerial Economics for a Global Economy" by D. Salvatore (6th Ed)? If so, I need the integrating problem #15 on page 32. All I know is it is something about Samantha and a pharmacy...
asked by Jez 
math
Ginger earns $18,500 annually and has 22% of her gross earnings withheld. What is the net amount of her paycheck each pay period if she is paid biweekly?
asked by GAbriel 
math
a trianglar course for a sailing race is marked off by buoys. The first lef is 250 meters longer than the second and the third leg is 100 meters shorter then the first. if the length of the course is 2500 meters, find the length of each length
asked by jack 
math
Ginger earns $18,500 annually and has 22% of her gross earnings withheld. What is the net amount of her paycheck each pay period if she is paid biweekly?
asked by GAbriel 
programming
I am working on a project called VB Auto Sales I am working in CH 2. I have just about completed the assignment but I am unable to group two separate sections. Assignment Modify the project from the Chapter 1 VB Auto Center case study, replacing the
asked by David 
math
18 > x/610 let "x" be the unknown number solve the inequality.
asked by kendall 
algebra
2x3y=16;(x,4) solving for the missing variable
asked by kentreivia 
science
a. if i use 100N of force and move 3 meters, how much work is this? b. if it takes 90 seconds to get there, how much power did i exert?
asked by alyssa 
7th grade
how many diffent arts are there in the whole world
asked by sylvia 
science
How do i read a solubility curve to answer a question like: at what temp will 50g of potassium nitrate complete saturate 100cm3 of water
asked by Garrett 
consumer math
Nadia bought 200 shares of stock at 34 1/2. She had to pay a 1% commission to her broker. What was the total price of the stock? 2) Rick bought a truck for $13,459. He had to pay 6.75% sales tax on the purchase. What was the total amount he had to pay for
asked by ange 
electrical and electronic engineering
investigate the impact of photovoltaic system on low voltage distribution network in Malaysia.
asked by pc 
math
i have 78% in the course the exam is worth 30% and i got 65% what is my overall mark in the course
asked by jack 
engish 1
in "Salvation" by langston I am suppose to tell whether the point of is from a view of someone "going on thirteen" or from the point of view of a mature man? Give evidence to support your opinion. i think it is a mature man, langston hughes himself because
asked by Candace 
science
what happens to the population of butterflies after a predator comes through? answer must include the words, gene and natural selection
asked by chris 
English
Thank you very much for your last corrections! Can you please check these other ten paragraphs for me? 1)One day a man in a sport car approached a bend at top speed. He lost control of the vehicle, which jumped over a fence and fell into the river below.
asked by Franco 
Calculus
Let f(x) = 3(x^6)lnx. f'(x)= ...
asked by <3 
Social studies
Origin of social studies in britain
asked by Festus moses 
science
compare digestion and respiration. how would unhealthy teeth or germs affect digestion. how are the digestive and circulatry system alike. explain how the heart and lung help each other provide oxtgen to the body.
asked by warriors 
descriptive paragraph
Am i on the right direction? Descriptive paragraph Deborah Paul A loyal Friend My loyal friend Mary Ellen is 48 years old with shoulder length black hair and dark brown eyes. Mary Ellen is very short standing at 5'0 in height and a stocking build. She has
asked by deborah 
world history
WHY DID THE INDUSTRIAL REVOLUTION BEGIN IN BRITAIN
asked by SANDRA 
Writing
How can confidence and determination help succeed in school?
asked by Leslie 
mathematics
Jim paid $3.99 for a 14ounce bag of cookies. What was the unit cost per pound?
asked by AT 
Introduction to Biology and the Scientific Method
What are the Ten characteristics that distinguish an object or thing from an actual living organism where all 10 characteristics must be present simultaneously for something to be considered living?
asked by tammy 
Math
Rhonda has 18 weeks to save $489 for her ticket to Alaska. If she saves $20 per week, which statement is true? A.) Rhonda will have more then enough for her trip B.) Rhonda will have exactly enough money for her trip. C.) Rhonda will not have enough money
asked by Ashley 
maths
the length of a rectangle is 2 centimetres less than twice the width. the area of the rectangle is 180 square centimetres. find the length and width of the rectangle.
asked by jke 
Math
Ms. Parks needs 1,512 award pins. If pins come in boxes of 48, about how many boxes will she need to buy? F.) 30 G.) 50 H.) 150 J.) 300
asked by Ashley 
Math
Use systems of lineear equations to solve: An airplane flew for 6 hours with a 22km/h tail wind. The return flight against the same wind took 8 hours. Find the speed of the plane in still air. I know the answer is 154 km/hr (back of book resources :)
asked by Annie 
Calculus
Let f(x) = ln(((2x–5) / (7x+4))^(1/2)). f'(x) = ... I keep on getting the wrong answer.
asked by <3 
com140
what qualities make written communication effective?
asked by veronica 
Social Civics
Today unions (A)Have generally experienced a tremendous increase in membership (B)Have not succeeded in organizing any whitecollar workers (C)Are divided into two large organizations, the A.F.L. and the C.I.O. (D)Have generally experienced a decline in
asked by Anna 
Finance
(Default risk) You buy a very risky bond that promises a 9.5% coupon and return of the $1,000 principal in 10 years. You pay only $500 for the bond. a. You receive the coupon payments for three years and the bond defaults. After liquidating the firm, the
asked by Rick 
discrete mathematics with applications
Determine which of the following pairs of statements forms are logically equivalent. Justify your answer using truth tables and include a few words of explanation. Read "t" to be a tautology and "c" to be a contradiction: 26. (p^q)v(p^r)and(pvq)^r 28.
asked by ovadiel 
science
Wiil ships float lower or higher in tropical waters? Thanks
asked by wizard 
Math
I need four words that have one vertical line of symmetry when printed vertically or horizontally. The two that I have right now are MOM and WOW. They have to be in capital letters as well. Your help will be appreciated, thanks
asked by Sara 
math
how would you work out one seventh of 6.3
asked by bick v 
writing
how does perceverance and responsibility help you get into college?
asked by Leslie 
Calculus
How do I find the f'(x) of f(x)=((8x+3)/(9x) 5)^(1/2)?
asked by Anonymous 
Biology
17. When errors in nucleotide sequencing occur, a. DNA polymerase replaces the incorrect nucleotide with the correct nucleotide b. enzymes dissolve the incorrect nucleotide so DNA polymerase can add the correct one c. purines replace pyrimidines in the DNA
asked by mysterychicken 
7th grade
what is the lines of latitude and longitude
asked by larry 
Math
Two small planes start from the same point and fly in the same direction. The first plane is flying 35 mph slower than the second plane. In 2 hrs, the planes are 530 mi apart. Find the rate of the slow plane.
asked by Mathew 
4th grade
Two parallelograms have pairs of sides that are 3 feet long and 2 feet long. One of the parallelograms is a rectangel and the otehr is not. Which has a bigger area, and why?
asked by Jaylin 
Math
What words have a horizontal line of symmetry when printed horizontally, and a vertical line of symmetry when printed vertically. The only word I have is HI.
asked by Sara 
algebra
1x24x+12=0
asked by june 
PHYSICS 131
the velocity of a train is 80.0km/h, due west. 1hr an 30min later, its velocity is 65.0km/h, due west. Whats the train average velocity
asked by Darrie 
math
i have 78% in the course the exam is worth 30% and i got 65% what is my overall mark in the course
asked by jack 
Math
A school has four art teachers, three music teachers, and eight history teachers. In how many ways can a student be assigned an art teacher, music teacher, and a history teacher?
asked by Otto 
chemistry
npentane and 1butanol have nearly the same molecular weights but significantly different change in temperature values. explain the difference in change in temperature values of these substances based on their intermolecular forces.
asked by lelia 
writing
What is another characteristic that will help you get into college?
asked by Leslie 
programming
can anybody help me out with this code: write a program that converts 10, 50, and 100 kilograms to pounds.
asked by steve 
Math
What words have a line of symmetry when it is printed vertically, but that is not symmetric when printed horizontally. I only have the word WHO.
asked by Sara 
MATH
WHAT IS 0.044919 TO THE NEAREST TENTH?
asked by Anonymous 
math
The base of a triangle is 5cm greater than the height. The area is 18cm^2. Find the height and the base. The height is triangle is?cm The base of the triangle is?cm
asked by Tina 
business law
Have the regulatory agencies been outlawed by the federal courts?
asked by Brittany 
math
If the sides of a square are lengthened by 8cm, the area becomes 144 cm^2 Find the length of a side of the original square. The length of a side of the original square is?cm
asked by Tina 
government
decribe 2 ways the federal buracracy helps shape laws passed by congress?
asked by Anonymous 
Math
Can anyone please rephrase this. I really can't understand this term. Rotation symmetry: When a shape or design can be turned about its center of rotation, so it fits onto its outline MORE than once in a complete turn(360 degrees) I don't understand this.
asked by Sara 
chemistry
State everything you know about the following atoms. Do NOT assume that they are balanced or neutral. Atomic number = 98 Mass number = 101
asked by Katie 
programming
Having troube with java, i am not a regular programmer, if anybody can help me out writting this program: write a program that takes two numbers from the java console representing, respectively, an investment and an interest rate(you will expect the user
asked by John 
Accounting
A company has a $150,000 invoice that is due in 60 days with a 2% discount if paid in 10. The company can invest the 2% or $3000 and earn 6% per year. What should the company do?
asked by Dave 
essential mathematics 1
simplify & show work 3/4 + 5/8 _________ = 3/4  1/2 Need help with this one
asked by Anonymous 
discrete mathematics with applications
A logical equivalance is derived from Theorem,supply a reason for each step; (pv~q)^(~pvq) ß(~q v p)^(~q v ~p) by_________ ß ~q v(p ^ ~p) by_________ ß ~q v c by_________ ß ~q by_________ Therefore,(p v~q)^ (~p v ~q)ß ~q.
asked by ovadiel 
us history
Given the global political, economic, and cultural dominance of the U.S. after World War II to the present, characterize the position of the U.S. in terms of both positive and negative impacts on the world's developing nations.
asked by kiki 
HCA/220
You are an ENT and have just responded to a 911 call. Begin a discussion with another ENT about what has occurred at the scene and which body parts have been affected?
asked by kasey 
Environmental Science
My assignment requires choosing a terrestrial resource issue and creating a powerpoint presentation about it. I understand what I need to do but I'm not positive about what exactly a terrestrial resource is...for example, does habitat
asked by Karleigh 
Slavery
•How has the American history of African slavery influenced our contemporary society? Provide three examples you believe to be most significant.
asked by help me STAT 
Anatomy
which would have a more difficult time maintaining body weight at a cooler tempertature a mouse on a diet including ptu and a mouse on a regular diet
asked by Carla 
chemistry help!
Hello, I am having problem with two lab questions and was wondering if someone can help! 1. Calculate the percentage of the empty space in a facecentered cubic lattice, and show that it does not depend on the edge length of the unit cell ot on the size of
asked by Dina 
chemistry
what type of intermolecular bonding would be expected between molecules of carbon monoxide and why?
asked by lelia 
Accounting
A company has a 10% earning on sales before taxes. If material costs are reduced by $250.000 and everything else remains the same, how much would sales have to increase to earn the same amount?
asked by Tara 
PHYSICS 1112
A cube of side length L = 10 cm is centered at the origin of an x,y,z (cartesian) coordinate system. The electric potential V (x, y, z) is measured at the centers of the six faces of the cube to be the values shown below. Using this information, estimate
asked by Eddy 
SciencePendulum
I have to do a conclusion for this as well. It says Do Lock Step, what does that mean?
asked by Sara 
SOCIAL STUDIES
Why did americans go to the Gadsden purchase? What resources where there at the Gadsden purchase? Please Help!! (i could not find this answer anywhere)
asked by Happy Face 
physics 2
The inner and outer surface of a cell membrane carry a negative and a positive charge, respectively. Because of these charges, a potential difference of about 0.070 V exists across the membrane. The thickness of the cell membrane is 8.0 × 10−9m. What is
asked by Diane 
Accounting
A manufacturing company has to decide between their current process which has a variable cost of $10/unit and investing in new equipment which will reduce the variable cost to $5/unit. The new equipment will cost $100,000. Use a breakeven analysis to
asked by Tara 
phys 2
Two capacitors are identical, except that one is filled with a dielectric ( = 4.50). The empty capacitor is connected to a 12.0 Volt battery. What must be the potential difference across the plates of the capacitor filled with a dielectric so that it
asked by ann 
prejudices
in the last 2 years what are some of the changes the u s had made to policies concerning the treatment of arabs and muslims
asked by Anonymous 
SciencePendulum
The four parts in which I had to go through this investigation was: Part 1: Practice Part 2: Does mass affect the swing rate of a pendulum? Part 3:Does Arc length affect the swing rate of a pendulum? Part 4:Does Length affect the swing rate of a pendulum.
asked by Sara 
Algebra
Hi, could someone possibly check my answers to these algebra questions? Its not my strong point so have been struggling a little (or alot if they are all wrong!) 3m85m+10 = 22m 4(26x) = 824x 7(a+3)5 = 7a + 16 2x3(4yx) = 2x12y9x 2(4y1)+5y(32y) =
asked by Geoff 
chemistry
at STP, chlorine is a gas but bromine is a liquid. why is this?
asked by lelia 
math
x over x+2 and x=3
asked by lacey 
Literature
Can some one please explain these stanzas to me? I have read them over and over and am still so confused. Take up the White Man's burden Send forth the best ye breed Go bind your sons to exile To serve your captives' need; To wait in heavy harness, On
asked by Jeffery 
SOCIAL STUDIES
Who is affected by the Florida Cession? What is the orgin (country)of the Annexation of Texas? Pleas Help!
asked by Happy Face 
college math
To the nearest second, when wil the minute hand lie exactly over the hour hand between 2pm and 3pm?
asked by Mandy 
algerbra
3x3y=15 what are the cordenece?
asked by cheybee 
Chem
Explain why chemists might want to prepare substituted hydrocarbons. Give two examples of possible substitutions.
asked by Savannah 
pysch
what do we know about coping with feeling of helplessness and depression?
asked by Courtney 
Chemistry II
How long would it take for 1.50mols of water at 100.0deg C to be converted completely into steam if heat were added at a constant rate of 16.0j/s
asked by Davis 
algebra
Describe the steps to graph the direct variation equation y = – 3x. In the formula d = rt, what do each of the letters stand for and how do they relate?
asked by rosiee 
government
do republicans think the government is too strong or too weak?
asked by jaden 
SOCIAL STUDIES!!
Who is affected by the Florida Cession? What is the orgin (country)of the Annexation of Texas? Pleas Help!
asked by Happy Face 
economics
A(n) ________based ethics code defines corporate values; creates a supportive environment, and, stresses shared accountability among employees.
asked by Anonymous 
math
how do I solve and state if it is an overestimate or an underestimate? 1.2% of 490 Do I .012 x 490 or Do I round 1.2% to 1
asked by Kyle 
chemistry
a chloride standard containing 100mmol/L of chloride ion can be prepared by dissolving the following amount of NACL in 1000ml of distilled water. dont know how to prepare a standard but heres my math
asked by james Neil 
chemistry
When Dr. Farrell was a graduate student, he prepared a buffer of pH = 8.0 from Sodium Acetate. Why would the casual observer to this buffering faux pas think he had the intellectual agility of a small soap dish?
asked by Laura 
algebra
Find an equation of the porabola described.  Vertex(0,0);directrix x + 1 = 0
asked by David 
english
The following paragraph contains five errors in grammar, punctuation, mechanics, or usage. Copy and paste the paragraph into the textbox, and then revise to correct the errors. 1. When your Dictionary shows more than one spelling for a word, I bet you were
asked by laday 
physics
If there is just one force acting on an object, does its work necessarily result in an increase in kinetic energy? Explain. (Select all that apply.) 1.Yes, when a force does work on an object it always results in an increase in kinetic energy. 2.The work
asked by rad 
Math
Instructions: Use point  slope form of each equation to identify a point the line passes through and slope of the line. Problem: y2=3/4(x+9)
asked by William 
English
Thank you again for your last corrections! Can you help me check these sentences please? 1) I had planned to do a lot of things during my Christmas holidays but unfortunately I didn't get around to doing them all. ( and NOT I had no time to do all of them)
asked by Franco 
math
how did acting itout yhelp you solve money problems?
asked by amy 
science
help me unscramble iritoncf
asked by c 
11th grade
explain potential for growth internally and externally
asked by shavi 
history
What methods did the Muslim leaders use to try to prevent European imperialism?
asked by ?confused? 
Pyshical Science
50g of a substance has a volume if 100cm3. What is the density of the substance?
asked by Dixie 
Finance
XYZ Corp. made a coupon payment on their 6.25% bonds yesterday that mature in 11.5 years. What is the market price of these bonds if the required return is 9.2% APR?
asked by Anonymous 
7th grade English
So I have a essay due tomorrow and it is The difference oF the book and the movie The Outsiders but I have no clu wat to write i havent read the book in a month I wanna if anyone can remind wat is one difference between the book and movie.
asked by Payton 
math
How do I put an equation into standard form, Ax+Bx=C? I have the given points (1,3) and (2,4). Also, how do you write an equation in standard form when perpendicular through another? [the question is "through (1,2) and perpendicular to 2x3y=5]
asked by Kelsie 
Science
What is C19H14O5S (or phenol red) used for in our daily lives? thanks aShLeY
asked by Ashley 
Math
Lynn wishes to realize a return of 11% on her investments. If she has $10,000 invested at 9%, how much additional money should she invest at 15%?
asked by Duyen 
College Physics
How do I solve this problem: A particular wire has a current of 10A. A) How many electrons pass a fixed point every 5 seconds? B)If a wire has a radius of 2 x 10^(3) m and the electron drift speed is 2.63 x 10^(5) m/s, determine the number density of
asked by Kate 
English
1. He has learned Chinese this year. 2. He has learned Chinese for three months this year. (Is the meaning of "has learned' the same in #1 and #2? If it is November, does #1 mean that he is learning Chinese in Novemver? How about in #2?)
asked by rfvv 
math algebra
simpilfy the expression: [4x7]4 four and severn are the exponents
asked by CHloe 
College Physics
A current exists in a wire that gradually narrows down to a smaller diameter. How do the drift velocity, the current density, and the electric field vary along the wire? Can you please help explain this?
asked by Sally 
math algebra
simpilfy the expression: [4x7]4 four and severn are the exponents
asked by CHloe 
english 10
Explain how The Federalist Papers would have been more or less successful if newspapers had been printed monthly (rather than daily or weekly).
asked by miranda 
Science/Math
Can someone please have a moment to look at my other previous posts. Please take your time to look through them, thanks
asked by Sara 
Introduction to Security
Can any target environment ever be 100% stable or 100% predictable
asked by Anonymous 
algebra
You can work a total of no more than 34 hours per week at your two jobs. House cleaning pays $8 per hour and your sales job pays $6 per hour. You need to earn at least $245 per week to cover your expenses. Write a system of inequalities that shows the
asked by ben 
nursing
can someone give me some ideas about a consumer health issue to write a report about. This is my first paper (APA) format in a while  I don't want it to be too difficult or technical Thanks
asked by patti 
math11
okay this is the frst day of grd 11 math and i am doing review and i don't remember anything what do they mean when they say " determine the velue of the three primary trigonometric ratios for
asked by just wondering 
Chemistry
How do I find the concentration of the excess reagent? I already have the moles of excess reagent. I'm stuck because I don't know how to find the volume of excess (I'm not given a density).
asked by Stuck 
algebra, help please
Have to make an equation using the numbers 2,3,6,8 and the symbols +,, and x. Must equal 17 and can't use numbers twice. I can come up with an equation but had to use the 3 twice.
asked by Dakota 
Social Studies
What were the major people that took part in the gold that was present in south africa between 1800 and 1914?
asked by Cupcake 
Math
Solve the inequality: 2x1 / 3x2 < 1 [the < is actually less than or equal to] I got one of the answers, x is less than or equal to 1, but there's another. How do you find that answer? Thanks
asked by Trixie 
8th grade
why do states need to be concerned about laws passed in other states
asked by maria 
math mearsurement
What is the mass of a glass of water including the glass?
asked by Daisy 
math
need help reearing formula T= 2pie sqrt(m/k solve for m is this right k= T^2/m 4pie^2
asked by jake 
Math
Solve the system: 3xy7=0 x+5y+3=0
asked by Anonymous 
math mearsurement
My name's Daisy I'm wondering What is the glass of water including the glass?
asked by Daisy 
Visual Basic
I am working on a project called VB Auto Sales I am working in CH 2. I have just about completed the assignment but I am unable to group two separate sections. Assignment Modify the project from the Chapter 1 VB Auto Center case study, replacing the
asked by David 
SOCIAL STUDIES
How did the expansion of the U.S. affect Americans? What were the costs and benefits of expansion? Please Help!!
asked by Happy Face 
math
How do I solve this? Describe the locus of points z satisfying: z+2+z2=5 z is a complex number.
asked by Jennifer 
Biology
17. When errors in nucleotide sequencing occur, a. DNA polymerase replaces the incorrect nucleotide with the correct nucleotide b. enzymes dissolve the incorrect nucleotide so DNA polymerase can add the correct one c. purines replace pyrimidines in the DNA
asked by mysterychicken 
College physics
a child with a mass of 40 kg slides down a vertical pole with an acceleration of 6 m/s squared. what is the magnitude and direction of the frictional force that acts on the child?
asked by Pete 
Physics 103
How do I solve this problem: You buy a 75W lightbulb in Europe where electricity is delivered to homes at 240V. If you use the lightbulb back in the USA at 120 V, what will it's power output be?
asked by Sandra 
Math
need help rearanging this formula T= 2pie sqrt(m/k solve for k is this right k= T^2/m 4pie^2
asked by jake 
math 10
determine the value of the three primary trigonometric ratios i have triangle in front of me but what am i looking for? what is trigonometric ratios?
asked by just wondering part 2 
English
I need help finding articles for my author Scott F. Fitzgerald. Please help me.
asked by Pam 
science
What is the smooth muscle causing goosebumps?
asked by mic 
Math
solve the inequality: x^2+x+1>0
asked by Anonymous 
PhysicsCollege
You have a 50V battery in a circuit with a single resistor R. If the resistor dissipates 200 J of energy in 5 seconds, what is its resistance?
asked by Katie 
Finance
You are now 30 years old. You plan to retire in 30 years, and expect to live for 30 years after retirement, that is, until you are 90. You want a fixed retirement income that has the same purchasing power at the time you retire as $80,000 has today. You
asked by Anonymous 
science
which would have a more difficult time maintaining body weight at a cooler tempertature a mouse on a diet including ptu and a mouse on a regular diet
asked by Carla 
essential mathematics 1
simplify of complex fractions 5/8 5= 5/8 divide by 5= 5/8 divide 5/1= 5x5=25 8x1=8 is this right or no need help
asked by Anonymous 
11th grade English
What is the timeline of chapters 13 through 18 of The Scarlet Letter? Please i need this by Tomorrow.
asked by Alex 
environmental science
Hydronium ions are composed of OH H+ H2O Which one
asked by michael 
chemistry
how do you find the number of neutrons in an element's atom?
asked by abby road 
Social Studies
Who were major people that took part in colonization of Africa between 18001914?
asked by Cupcake 
Social studies
How did social studies began in britain. i.e the history of social studies in britain
asked by Festus moses 
Physics
A particle is in uniform circular motion about the origin of an xy coordinate system, moving clockwise with a period of 3.50 s. At one instant, its position vector (from the origin) is r = (8.00 m) ihat  (7.00 m) jhat. At that instant, what is its
asked by Britney 
chemistry
how do you find the number of neutrons in an element's atom?
asked by abby road 
Calculus
Find the area of the region which is bounded by the polar curves theta =pi and r=2theta 0
asked by Salman 
Social Studies
Who were major people that took part in building the Suez Canal? Was it Ferdinand de Lesseps???
asked by Cupcake 
7th grade
what does transfusion
asked by mia 
Physics
When an air capacitor with a capacitance of 300 nF (1 {\rm nF} = 10^{9}\;{\rm F}) is connected to a power supply, the energy stored in the capacitor is 1.95×10−5 J. While the capacitor is kept connected to the power supply, a slab of dielectric is
asked by Erin 
Physics
Four 50\mu {\rm{C}} charges are brought from far apart onto a line where they're spaced at 2.0{\rm cm} intervals. How much work does it take to assemble this charge distribution?
asked by Johnny 
accounting 220
Final Project: Final Project • Resources: Appendix A • Due Date: Day 7 [post in the Individual forum] • Write a 7001,050 word paper, using APA guidelines, based on following scenario. You want to start your own business. You found an investment
asked by Amber 
Calculus
Let f(x)=(x+7)/(x+5). inverse f1(3)=...
asked by <3 
math
The perimeter of a triangle is 26 c,. Side a of the triangle is 3 cm longer than side b. Side c is 1 cm shorter than twice side b. Find the length of each side.
asked by sara 
calculus
Concept of FUNCTION (with atleast two examples) in every day life
asked by Anonymous 
MathDefinition
Why must we find a common denominator when add/subtract fractions?
asked by Scott 
Math
judy and ramey together have 42 stuffed animals. judy has 12 fewer animals than ramey. how many stuffed animals does each girl have?
asked by shannon 
maths
The ratio of oranges and bananas is 3:6. There are 54 pieces of fruit altogether, how many of them are oranges? Do I set it up 3/6 times x/54?
asked by Jenny 
Geometry
Can you help me solve 12 degrees, 15 minutes, and 22 seconds minus 10 degrees 16 minutes and 26 seconds?
asked by kristie 
math
the first side of a triangle is 8 meters longer than the second side. the third side is 3 times the second side. the perimeter is 128 meters. find the lengths of the three sides.
asked by jack