Questions Asked on
December 6, 2008

Economics: Comperative Advantage
Refer to Figure 4. Assume that Cliff and Paul were both producing wheat and corn, and each were dividing their time equally between the two. Then they decide to specialize in the product they have a comparative advantage in. As a result, total production
asked by Anonymous 
science
Where in the United States is there measurable evidence that the plates are moving realtive to one another?
asked by Anonymous 
PHysics
a 15g bullet strikes and becomes embedded in a 1.1kg block of wood placed on a surface in front of the gun. if the coefficient of kinetic friction between the block and the surface is 0.25 and the impact drives the block a distance of 95m before it comes
asked by Anne 
Physics
a rocket following a parabolic path through the air suddenly explodes into many pieces. what can you say about the motion of this system. and If only an external force can change the momentum of the center of mass of an object, how can the internal force
asked by Steve 
physics
The Sun and Earth each exert a gravitational force on the Moon. What is the ratio FSun/FEarth of these two forces? (The average SunMoon distance is equal to the SunEarth distance.)
asked by johnny 
science
how does destructive interference of sound waves help preserve hearing?
asked by camilo 
physics
A mass M is split into two parts, m and M  m, which are then separated by a certain distance. What ratio m/M maximizes the magnitude of the gravitational force between the parts?
asked by johnny 
physics
In 1956, Frank Lloyd Wright proposed the construction of a milehigh building in Chicago. Suppose the building had been constructed. Ignoring Earth's rotation, find the change in your weight if you were to ride an elevator from the street level, where you
asked by johnny 
physics
At what altitude above Earth's surface would the gravitational acceleration be 3.0 m/s2?
asked by johnny 
english 10
m doing an essay of Ray Bradbury's 3 short stories "The Veldt" "The House" and "The Cat's Pajamas" The theme of my essay is the conflicts of the story I have a point in my essay, they are: How each conflicts affect the different characters of different
asked by tanzil 
Chemistry
Calculate the wavelength of the yellow light emitted by a Sodium Lamp if the frequency is 5.10 X 10^14 Hz. Formula: Wavelenght (lamda)= speed of light, 3 X 10^8(c)/frequency, 5.1 X 10^14. My answer was 5.9 X 10^5. Is this anywhere near correct? Please
asked by Stephanie 
Chemistry (reaction with amine)
Phenol dissolved into sodium hydroxide solution to give another solution A. What would be formed when A reacted with phenylamine/nitrous acid mixture , butylamine/nitrous acid mixture and ammonia/ nitrous acid respectively ? The resulting solution were
asked by initial D 
Chemistry
What is the compound formed when sodium nitrite solution is added to butylamine and concentrated hydrochloric acid respectively ? Both of them formed NO2 as i know, but what is the other compound formed? or what was remained in the solution ?
asked by initial D 
Chemistry
Phenol dissolved into sodium hydroxide solution to give another solution A. What would be formed when A reacted with phenylamine/nitrous acid mixture , butylamine/nitrous acid mixture and ammonia/ nitrous acid respectively ? The resulting solution were
asked by initial D 
math
1/10^9x5^2(2)^5x6^24x6^4/10^6/10^6/10^15x100^5
asked by walidK 
Grade 11 Physics  Light Unit
Why must rays be shone in the centre of a flat surface? Describe the difficulty that's results if this is not done.
asked by Student 
math
A model of a planet shows a satellite moving in an elliptical orbit about the planet. The closest distance from the centre of the satellite to the centre of the planet in the model is 3 m and the longest distance is 8m. a) Determine a possible equation for
asked by Lucy 
Chemistry (A level)
I was given a Chemistry question on the titration of a strong base being added to a weak acid. The question was: "Calculate the pH in a titration when 10.0cm^3 of a 0.10moldm^3 solution of NaOH is added to a 10.0cm^3 of 0.25moldm^3 solution of ethanioc
asked by Benjy 
Math 115
A tree casts a shadow that measures 5 m. At the same time, a meter stick casts a shadow that is 0.4 m long. How tall is the tree?
asked by Debbie 
child care
let me know if I answered this question right. Which of these is considered a benefit of a quality child care program? a.The child learns to get along with adults and children outside of the nuclear family. b.The child develpos a closer relationship with
asked by Cynthia 
Chemistry (reaction with amine)
haphthalen2ol dissolved into sodium hydroxide solution to give another solution B. What would be formed when solution B reacted with phenylamine/nitrous acid mixture , butylamine/nitrous acid mixture and ammonia/ nitrous acid respectively ? The resulting
asked by initial D 
chemistry again ..
haphthalen2ol dissolved into sodium hydroxide solution to give another solution B. What would be formed when solution B reacted with phenylamine/nitrous acid mixture , butylamine/nitrous acid mixture and ammonia/ nitrous acid respectively ? The resulting
asked by initial D 
spanish sra McGuinn
Mi mejor memoria fue la noche vieja de dos mil seis en Nueva York. Más temprano esa Nochebueno, mis amigos y yo fuimos a China Town en Queens. Nosotros cenamos en un restaurante chino y me gustó mucho la comida allí . Después, nosotros tomamos un
asked by sam 
child care
Family day care accounts for ____ of the fulltime child care given outside of a child's family. a. 15% b.20% c. almost 25% d. over 80%. I picked C Can u tell me if this correct.
asked by Cynthia 
7th grade
how woul you solve a problem like ths (9x5y)(2x+3y)
asked by denise 
mathematics
if a=5 b=108 c=190 then find the equation whose roots are double the root s of a,b,c......
asked by saad anis 
English
In the book Huckaberry Finn: 1) To whom did Jim belong to? 2)Who did jim say gave him the five center piece he wore around his neck? 3) who was called a cry baby?
asked by Alyssa 
Science
CheckPoint: Terrestrial Resource Plan · Resources: Ch. 1216 of Visualizing Environmental Science and Appendix F · Due Date: Day 5 [Individual forum] · Choose a terrestrial resource issue discussed in Ch. 1216 of the text. · Post a 5 to 7slide
asked by Roxxane 
science
At exactly 2:00 pm, sophy the snail crawls onto a meter stick at the 10 cm mark. If he reaches the 65 cm mark at exactly 2:10 pm, what is her speed?
asked by Selena 
Precalculus
Would this be the answer for this problem 2x^3x^2 > x x>1 or 0>x>1/2
asked by Melly 
physics
The people move toward the door at speed vs = 3.7 m/s, are each d = 0.20 m in depth, and are separated by L = 1.75 m. The arrangement in the figure occuurs at time t = 0. (a) At what average rate the layer of people at the door increase? m/s (b) At what
asked by johnny 
College Writing
Society sets its own predetermined laws for everyone to follow but sometimes certain people disobey the common norms to hide something deeper within. Whether this society is enclosed within boundaries, or outside in real life circumstances, these people
asked by Tiger 
math
3x+5y= 11 x2y= 11
asked by COLE 
math
please help me with this proving question prove that 4cos(theta) * cos(theta + 120) * cos(theta  120) = cos(3theta) PLEASE HELP THANKS
asked by Vincent 
spanish
point of is my most memoable day on the subway all of us we found out that dottiea middle aged women knew the lyrics to smack that  this also was the first time I have ever been on the subway to New York. We saw the ball in Times Square drop We arrived
asked by sam 
Math 115
6.5% of what number is 325
asked by Debbie 
Msth 118 Ch 8
Business and finance. The following scores were recorded on a 200point final examination: 193, 185, 163, 186, 192, 135, 158, 174, 188, 172, 168, 183, 195, 165, 183. (a) Find the mean final examination score. (b) Find the median final examination score.
asked by Debbie 
Math 115 Ch 8
Compare the population per square mile in Asia to the population per square mile in North America for the year 2000. North America: land area(1,000mi squared)9,400 Population 305000000 Asia: land area (1,000mi squared) 17,400 population 4,028,000,000
asked by Debbie 
english
is superiority an emotion?  The feeling of superiority
asked by andrew 
math
Using the inverse of: 2 1 3 4 Find 2x+y=2 3x+4y=1
asked by harry 
math
solve: 3x+5y= 11 x2y=11
asked by cole 
GEOMETRY
IF 1/2X3=2(X1)/5 THEN X=
asked by KARYN 
Math
How many kids do you have:4? How many different ways can you arrange this other than these?: [g=girl;b=boy] 2 g 2 b 3 g 1 b 4 g 4 b
asked by mysterychicken 
math exponents
i have a quick question... 3^2 (3)^2 wat is the difference??? also... 3^3 (3)^3 help me plz...thx if u do
asked by me 
math
4. In a backyard, there are two trees located at grid points A(2,3) and B(4,6). a) The family dog is walking through the backyard so that it is at all times twice as far from A as it is from B. Find the equation of the locus of the dog. Draw a graph that
asked by Lucy 
physics
a 2.0 kg crate is incline at 60degrees and is held in equilibrium by a horizontal force.. what is the magnitude of this horizontal force? (disregard friction)
asked by cookie monster 
spanish
Thank you so much  can you look this over there are a few at the end I was not sure of Mi mejor memoria fue la noche vieja de dos mil seis en Nueva York. Más temprano, esa noche mis amigos y yo fuimos a China Town en Queens. Nosotros cenamos en un
asked by sam 
spanish
can you check this for me and help me with puting in the accents I got a new mac and am having difficuties with this Me mejor memoria fue la noche vieja de dos mil seis en Nueva York. Mas temprano, esa moche mis amigos y yo fuimos en China Town en Queens.
asked by sam 
Precalculus
How would I find the limit of (if it exists): lim x>3 (x^327)  (x^29)
asked by Melly 
math
Let B= 0 1 1 0 Find B if it is to the negative one power. (Its supposed to be a matrix, but I don't know how to write the brackets on the computer)
asked by harry 
physics
An electron has a constant acceleration of 2.0 m/s2. At a certain instant its velocity is 10.9 m/s. (a) What was its velocity 2.5 s earlier? m/s (b) What is its velocity 2.5 s later? m/s
asked by johnny 
spanish thanks
Mi mejor memoria fue la noche vieja de dos mil seis en Nueva York. Más temprano esa Nochebueno, mis amigos y yo fuimos a China Town en Queens. Nosotros cenamos en un restaurante chino y me gustó mucho la comida allí . Después, nosotros tomamos un
asked by sam 
math
what is the EXACT VALUE of cos (pi/3)?
asked by Tina 
spanish
it should be she sang the lyrics can you help me with changing that.
asked by sam 
SPANISH ONE LAST WORD
Mi mejor memoria fue la Noche Vieja de dos mil seis en Nueva York. Más temprano esa Nochebuena, mis amigos y yo fuimos a China Town en Queens. Nosotros cenamos en un restaurante chino y me gustó mucho la comida allí . Después, nosotros tomamos un
asked by sam 
7th grade
A company made 34,000.00 in 2007. This company made 32,500.00 in 2008. What is the percentage of the difference. The difference is 1,500.00 Is the difference 44.3 %? 34,000.00 32,500.00 _________ 66,500.00
asked by Lana 
spanish perfect???
Mi mejor memoria fue la Noche Vieja de dos mil seis en Nueva York. Más temprano esa Nochebuena, mis amigos y yo fuimos a China Town en Queens. Nosotros cenamos en un restaurante chino y me gustó mucho la comida allí . Después, nosotros tomamos un
asked by sam 
Math 115
Find the mode of each set of numbers. 41, 43, 56, 67, 69, 72
asked by Debbie 
Macroeconomics
During the 1990s, the size of the federal government debt became so large that servicing the interest payments became a significant portion of total federal expenditure. In response, many representatives and senators felt that the federal deficit needed to
asked by Anonymous 
Macroeconomics
The “Great Moderation” since 1985 could be due either to smaller demand stocks when compared to the period prior to 1985 or to a better response by monetary policymakers since 1985 to the same demand shocks that occurred prior to 1985. Evidence to
asked by Anonymous 
physics
a pendulum clockis lag by 2 min during a whole 24 hours.what correction should be made in its length so that it keep the right time?
asked by saad anis 
science
what do you call organisms produced by a living thing
asked by destiny 
CHEM ideal gas
hi i am working on trying to derive KE (or Etrans)=3/2nRT so i know these steps that ___________ pV= nRT and pV= 1/3 NmV2 and combining them, we get nRT= 1/3Nmv2 also, we know that for translational motion, KE= 1/2Nmv2 ______ i don't know how 2/3 (1 /2
asked by Kimora 
writeacher spanish
Sra McGuin  had been helping me review my work she asked me what I was trying ot say in english _I had done the entire assignemtn but to help me she needed the english  I would never ask someone to do my work point of is my most memoable day on the
asked by sam 
sra mcguin spanish
here is some of the confusing things i was tying to say in english point of is my most memoable day on the subway all of us we found out that dottie a middle aged women knew the lyrics to smack that  this also was the first time I have ever been on the
asked by sam 
Criminal Justice
Are the lives of prison inmates reflective of the society at large?
asked by dra 
MGT HELP ASAP
this is the way i am starting my intro. What else can I add to it. Best Practices Manual for Supervisors This manual will have everything you will need to help tell someone about the different responsibilities a supervisor has in his or her job
asked by troyer0269 
CJ
how our treatment of our prisoners reflects the kind of society we are.
asked by dra 
Social Studies (specifically American Goverment)
What could be some future challenges for freedom of religion in the 1st amendment?
asked by Mark 
math
Find the inverse of the matrix, 1, 2 ,1 2, 5, 1 3, 6, 2
asked by jones 
Math
what is the sum of fractions 1/4,3/8, and 5/14?
asked by Maya 
MGT
this is what i have now for an intro on my final paper. This handbook will productively to give an explanation in straightforward terms the appropriate methods for performing job duties as a supervisor with this corporation. It will have all you will need
asked by troyer0269 
spanish maybe in final
Mi mejor memoria fue la Noche Vieja de dos mil seis en Nueva York. Más temprano esa Nochebuena, mis amigos y yo fuimos a China Town en Queens. Nosotros cenamos en un restaurante chino y me gustó mucho la comida allí . Después, nosotros tomamos un
asked by sam