Questions Asked on
November 26, 2006

physics
A navy jet with a weight of 231 kN requires an airspeed of 85 m/s for liftoff. The engine develops a maximum force of 107 kN, but that is insufficient for reaching takeoff speed in the 90 m runway available on an aircraft carrier. What minimum force
asked by Dee 
Chemistry URGENT
Could someone write out the total ionic equation and the net ionic equation for: 2Na3PO4 (aq) + 3CuSO4 • 5H2O (aq) → Cu3 (PO4)2 (s) + 3Na3SO4 (aq) + 15H2O (l) Cu++ + PO4 >>> Cu3 (PO4)2 (s) Of course, it needs to be balanced.
asked by Kaylee 
philosophy
Q: Who claimed that our subjection to pain and pleasure should be the foundation for our laws? a. Simone de Beauvoir b. Kant c. Jeremy Bentham d. Peter Singer e. Aristippus I think it is C, but i am not sure about E... or possibly the other ones. Thank u!
asked by John 
Economics
Willy's widgets, a monopoly, faces the following demand schedule (sales of widgets per month): Price $20 30 40 50 60 70 80 90 100 Quantity 40 35 30 25 20 15 10 5 0 Calculate marginal revenue over each interval in the schedule (for example, between Q = 40
asked by KEN 
chemistry
When 1.0 mol of ammonia gas in injected into a o.50L flask, the following reaction proceeds to equilibrium. 2NH3 N2 (g) + 3H2 (g) At equilibrium, 0.30 mol of hydrogen gas is present. a) calculate the equilibrium concentrations of N2 and Nh3. b) what is the
asked by Luke 
tigonometry
expres the following as sums and differences of sines or cosines cos8t * sin2t sin(a+b) = sin(a)cos(b) + cos(a)sin(b) replacing by by b and using that cos(b)= cos(b) sin(b)= sin(b) gives: sin(ab) = sin(a)cos(b)  cos(a)sin(b) Add the two equations:
asked by Pablo 
math
Find the value of each variable in the parallelogram. m
asked by Susie 
math
If two parallelograms are similar,what do you know about the ratios of the two side lengths within one parallelogram and the ratios of the corresponding side lengths in the other parallelogram? the aswer is the scale factor is the ratios would be the side
asked by chemiii 
anatomy/brain
Of cerebrum, cerebellum, brain stem, or limbic system, where does most of the brain's activity occur. I BELIEVE IT IS THE CEREBRUM OF INFORMATION READ FROM MY TEXTBOOK AND A FEW ONLINE HELP SITES BUT AM NOT SURE. Since it is the connecting portion between
asked by michael h. 
trig
Reduce the following to the sine or cosine of one angle: (i) sin145*cos75  cos145*sin75 (ii) cos35*cos15  sin35*sin15 Use the formulae: sin(a+b)= sin(a) cos(b) + cos(a)sin(b) and cos(a+b)= cos(a)cos(b)  sin(a)sin)(b) (1)The quantity = sin(14575) = sin
asked by Paul C 
Economic
How is income distribution affected in monopolies? The market for fertilizer is perfectly competitive. Firms in the market are producing output, but they are currently making economic losses. a. How does the price of fertilizer compare to the average total
asked by Mariah 
physics
Imagine a landing carft approaching the surface of Callisto, one of Jupiture's moons. If the engine provides an upward force (thrust) of 3260 N, the craft descends at constant speed; if the engine provides only 2200 N the craft accelerates downward at .39
asked by Dee 
chemistry
A hydrate of strontium choloride contains 40.54% water. What is the formula of the hydrate ? SrCl2*xH2O. H2O = 40.54% SrCl2 = 100  40.54 = 59.46% Take 100 g sample. This gives us 59.46g SrCl2 and 40.54g H2O. Convert to mols. mols SrCl2 = 59.46/158.5 =
asked by Harry 
philosophy
Q: According to Sartre, what makes us uniquely free? a. the capacity for freedom instilled in us by nature b. ability to imagine a multitude of future paths and choices c. the existential hum d. essentialism e. democracy I don't think its E. I am leaning
asked by John 
philosophy
Q: which of the following statements indicate a belief in some universal moral truths? a. terrorist activities that take innocent lives are morally indefensible b. the genocidal actions of Hitler and Milosevec were morally reprehensible c. cultures that
asked by John 
economics
Willy’s widgets, a monopoly, faces the following demand schedule (sales of widgets per month): Price
asked by KEN 
lively
Suppose that four times the square of a number equals 20 times that number. Whatis the number? It'll take you 45 seconds if you just plug in a few numbers Again  putting the subject in the subject line helps. =) 4 n^2 = 20n zero is one solution. Solve
asked by jonathan 
ms.writeacher,english
I'm suppost to write a jobapplication letter to a company of interest attaching the resume. My question for this is on the job application letter on the heading i'm suppost to omitt my address and on the resume as well. And also what type of format am i
asked by jasmine20 
math
Find the diameter of the circle(not drawn to scale). BC=13,and DC=19. Round your answer to the nearest tenth. Onc again, without the figure in question, or an accurate description of it, we cannot help you.
asked by Susie 
physics
An interstellar ship has a mass of 1.20 X10^6 kg and is initially at rest relative to a star system. a) what constant acceleration is needed to ring the ship up to a speed of .10c (where c is the speed of light, 3.0X10^8 m/s) relative to the star system in
asked by Dee 
english
I am typing up an assignment for English and the title is: Satire in The Adventures of Huckleberry Finn. The whole title is going to be underlined, but do I need to put quote marks around The Adventures of Huckleberry Finn since it is a title? Just
asked by Anonymous 
Geometry
If two parallel lines are cut by a transversal then the bisectors of a pair of corresponding angles are? also parallel ask your teacher that's what the're there for
asked by michelle 
geography
what is phyiscal region? What is a physical region? A physical region is an area that shares a similar type of landform or physical characteristic. In South Asia, we find three physical regions: The Himalaya Mountains The IndoGangetic Plain The Deccan
asked by jj 
Chemistry
It took 109.8 years for a 300.0 mg sample of an unknown radioactive material to completely disintegrate. Calculate the mass of the element (in grams/mole) assuming that the disintegrations per second are constant over the lifetime of the sample, and the
asked by Anonymous 
Question
do I have to post my essay if I want it proodread? is there any other way because I don't wish others to read my essay.... There is no other way here. M we do essays all day long other students are interested in their own answers. don't worry.
asked by M 
College Essay
I edited it from your suggestions is there anything else I could change or add? The smell of exhaust from multiple cars combined with dirt and dust fluttering in the air is my lasting impression of Canton, China. The vivid image frequently reminds me of
asked by Tiff 
AP US History
How did the Charles River Bridge v. Warren Bridge decision affect the accesss to corporate charters prevalent in Jefferson's time? http://college.hmco.com/history/us/resources/students/primary/bridge.htm
asked by Rachhh. 
chemistry
Find the quantum value of a 5py orbital. I know the quantum numbers (n,l,m,s) and all that, but I'm not sure where to begin or go after that. Answered below.
asked by John 
Economics
Problem 2: You are a rock concert producer planning a rock concert. The demand schedule for tickets is P = 75 0.005X where X is the number of people attending the concert. The marginal revenue function is MR = 750.01X. The fixed cost of putting on the
asked by Bill 
ECONOMICS
Willy’s widgets, a monopoly, faces the following demand schedule (sales of widgets per month): Price
asked by KEN 
to kill a mockingbird
how do the people of maycomb seal and oral contract? I belive they spit in thier palms and then "Shook on it" with a very enthusiastic clap as thier hands met, gripping tightly and shaking once. Please review the story to verivfy.
asked by elizabeth 
Computer  I don't understand the assignment
THREE CRITICALLY IMPORTANT QUESTIONS REGARDING "computer crimes, hackers, crackers, and ethics: how is computing and informationtechnology crime different or not different from "normal" crime?"  so basically my
asked by Gurv 
Economics
TFC = $1,000 MC = $1 (and constant) 2.Assume that all households have the same demand schedule which is given by the following relationship: P = 10 – 2Q. If there are 400 households in the market, state what the market demand schedule and marginal
asked by Pete 
College Essay
Are there any grammar errors or any other errors I should fix? And is there anything I should edit? Also are my paragraphs organized correctly? The smell of exhaust combined with dirt and dust fluttering in the air from multiple cars is my first encounter
asked by Tiff 
physics
A glider of mass m1 = 10.0 kg initially moving towards the right at a speed of v1i = 2.00 m/s on a frictionless airtrack collides with a spring attached to a second glider of mass m2 = 4.0 kg initially moving toward the left with a speed of v2i = 5.00 m/s.
asked by nicole 
writeacher, english
for a job application letter . the format for my information where my name goes on top my address should be ommitted and just keep the email address etc. And attach the resume. please help I still seem not to see the the templates. What is the difference
asked by jasmine20 
math
Find the measure of each variable if m
asked by Susie 
history
How should I attempt to start a reasearch paper on the WPA? Which WPA are you talking about? Western Psychological Association? What aspects are you trying to explore in the WPA? You first need to determine what specific topic you want to explore. I
asked by mak 
Math
Describe at least two ways of finding a missing side length in a pair of similar figures. This depends on what type of figure it is and what type of data you already have. Can you be more specific? Please repost with more data. Thanks for asking.
asked by chemiii 
Chemistry
How much a 2.00 g 239 Pu would have decayed after 1.6 x 10^4 years? The halflife for 239 Pu is 2.4 x 10^4 years. amount remaining= originalamount*(.5)^(1.6/2.4) amount decayed = original  amountremaining
asked by James 
middle schol paper
what does the word undergraduate mean A student at a college or university who has not taken a first, or especially a bachelors degree
asked by Anonymous 
Science
I asked about this earlier and got an answer that caused me to rethink my process. Is this a good way to measure iron corrosion: weigh a nail, put it in water and let it rust, remove the rust (in my experiment the rust has come off easily, with just a
asked by Jane 
action potentials
this is in regards to action potentials. they do not affect the membrane potential of neurons. they increase in magnitude as they travel along an axon. they can be measured by using electodes. there is a loss in signal as they travel along an axon. just
asked by sarahinwiss 
music
the questions are based on the movie called Marsalis on Music Sousa to Satchmo 1)________ is accenting on unexpected beats. 2)what are three major sections of a wind band 1. syncopation is accenting on unexpected beats. 2. woodwind, brasswind and
asked by josh 
philosophy
Q: Who claimed that our subjection to pain and pleasure should be the foundation for our laws? a. Simone de Beauvoir b. Kant c. Jeremy Bentham d. Peter Singer e. Aristippus I think it is C, but i am not sure about E... or possibly the other ones. Thank u!
asked by John 
trig
Show that 1cos2A/Cos^2*A = tan^2*A 1cos2A/Cos^2*A = [Cos^2(A)  Cos(2A)]/Cos^2(A). Substitute: Cos(2A) = 2Cos^2(A)  1: [1  Cos^2(A)]/Cos^2(A)= Sin^2(A)/Cos^2(A) = tan^2(A)
asked by Paul C 
algebra
solve 4^x=64 Please help x log 4 = log 64 x = log 64/log 4 = 3 x = 3
asked by dee 
math
Solve for x in the figure if AB=5x5 and BC=2x+3. You need to provide additional information on how AB is related to BC before we can help you with that question. Perhaps that is what the missing figure is supposed to show.
asked by Susie 
philosophy
Q: Which of the following are considered purposes for a moral theory? a. subjective satisfaction b. provide pleasure c. cause pain d. all of the above e. none of the above I have ruled out A and C, which also rule out D, but i am not sure about of the
asked by John 
ion concentration
Which of the following is responsible for maintaining the difference in ion concentration across the membrane of a nerve cell? here are choices the sodiumpotassium pump the action potential the depolarization of the membrane the ion channels in the
asked by alyssa 
schwann cells
are they found in central nervous system are they found in peripheral nervous system do they form a myelin sheath do they increase the speed of propagation of nervous impulses Thank you for using the Jiskha Homework Help Forum. Here is a site with the
asked by cynthia rygalski 
Math HELP!!!
If two parallelograms are similar,what do you know about the ratios of the two side lengths within one parallelogram and the ratios of the corresponding side lengths in the other parallelogram? The ratios would be the same in similar parallelograms.
asked by chemiii 
math
what is the rule for using diameter to find circumference? If the diameter is 2* the length of the radius then d/2 then C=2pie+r. CATCH YOU ON THE FLIP SIDE
asked by sal 
Math, rational inequalities
Please can someone help me solve this problem? 2/x + 6/x1 less than or = 5 8/x 1 = 4x Divide both sides by 4 2 >= x Multiply both sides by 1 2
asked by agirl 
philosophy
Q: Sartre says that we are ______________ if we blame our nature or behavior on history, genetics, environment, or other people. a. being reasonable b. revealing a selfdestructive impulse c. acting in an authentic manner d. acting in bad faith e. fighting
asked by John 
music
Jazz and ragtime 3)______________ can occur between 2 instruments and can take place at any time Thanks Jazz can be done with 1 instrument, and is all the time. Ragtime requires two to interact, playing off one another.
asked by josh 
Maths
solve the equation: 4cos2*theta + 3cos*theta + 3 = 0 for values between 0 and 180 degrees If that is cosine squared in the first term, you have a quadratic equation. Normally cosine squared would be written in ASCII as cos^2 Theta.
asked by Raul 
Taylor seires
f(x) =ln (1x) a) Compute f'(x), f''(x), f'''(x). Spot the pattern and give an expression for f ^(n) (x) [the nth derivative of f(x)] b) Compute the MacLaurin series of f(x) (i.e. the Taylor series of f(x) around x=0) c) Compute the radius of convergence
asked by Jill 
SOCIAL STUDIES
What are the three forces that change the shape of the land and what are the effects do they have on the earth? http://en.wikipedia.org/wiki/Erosion
asked by STEPHANIE 
reflex
Which of the following is not an example of an occurrence that might spur a reflex action? heat choking walking fear if i could pick one, it would be walking because heat causes you to have a reflex and pull away and choking causes a reaction as well, as
asked by kylie 
History
I need to know Howards University endowments. This site is an article on the endowments at Howard.
asked by Ronald 
Chemistry
I'm supposed to find the quantum numbers for a 5py orbital. I'm not sure how to do this, can anyone help? N=5 l = 4 3 2 1 0, for p you want l = 1 ml= 1 0 +1 representing px, py, and pz orbitals. ms= +1/2 and 1/2. Look at a diagram in your book for the
asked by John 
lively
Suppose that the width of a certain rectangle is threefourths of its length, and the area of that same rectangle is 108 square meters. Find the length and the width of the rectangle If you put the correct subject in the subject line, you're likely to get
asked by jonathan 
Science
What does an Electromagnetic wave transfer into?? It can transfer to heat, electical power, mechanical power, or light.
asked by Jordyn 
satire
How is this satire? “Here she was abothering about Moses, which was no kin to her, and no use to anybody, being gone, you see...” the sentance seems more ironic than satirical
asked by Anonymous 
algebra
solve 4^3x4=32^x+2 Please help! Do you mean 4^(3x) 4 = 32^x +2 ? yes If that is really what you mean, I cannot get a closedform solution for you. You would have to solve it by trialanderror or graphical means. If, on the other hand, you mean
asked by dee 
math
The measures of two sides of a triangle are 9 and 15. Use an inequality to express the range of the measure of the third side,m.
asked by Susie 
computer
THREE CRITICALLY IMPORTANT QUESTIONS REGARDING "computer crimes, hackers, crackers, and ethics: how is computing and informationtechnology crime different or not different from "normal" crime?" Computer crime can be committed from sites extremely
asked by Gurv 
history to psyDag
I'm talking about the workers project administration and I think I will be studying who or how many workers built buildings. I also want to know where they were built. Thanks, Mak This site will give you statistics and general information on the WPA.
asked by mak 
Writing,English
What is the difference between summiting a hard copy resume and an online resume? Where can I view example of both. How does a jobapplication letter to a company look like? http://owl.english.purdue.edu/handouts/pw/index.html At this website, you'll find
asked by jasmine20 
Science
What are 3 reasons why salad dressing is a chemical suspension? Some of the liquid ingredients don't dissove in one another. That is why the dressing has to be shaken to blend together Some of the ingredients are solid spices or bits of cheese that do not
asked by Abby 
Chemistry
Which sublevel begins to fill with transition elements? I don't think my guess is worthy of being posted Transition elements are in the d level.
asked by ilovdr90210 
math
If m
asked by Susie 
Children's Reading and Writing Habits
Research findings have shown that: A. reading and writing skills develop at the same time. B. children begin the process of literacy once they have learned to read short sentences. C. literacy is properly limited to reading and writing. D. children's
asked by Carrie 
history
Can you help me find information or perhaps give some on Nazi propaganda and its influences on third reich children I put your phrasing (Nazi propaganda and its influences on third reich children) into the search box at www.google.com and here are the
asked by Abby 
Math
If two triangles are similar,what can you say about the ratios of the two side lengths within one triangle and the ratios of the corresponding side lengths in the other triangle?
asked by chemiii 
MUSIC
3)_________ CAN OCCUR BETWEEN TWO INSTRUMENTS AND CAN TAKE PLACE AT ANY TIME. 4)A ___________ IS A REPEATED PHRASE. 4. coda is a repeated phrase, There is not enough information in #3 to help you. I would need to know the context. I think it might be
asked by josh 
story
I have to do a report at school about how the movie Tom Sawyer and the book are different but I cant seem to remember toms little brothers name has anyone read the book and know? Thanks post back http://www.sparknotes.com/lit/tomsawyer/characters.html =)
asked by mak 
drwls, math
Did you mean the following for the problem: 10) perform the indicated operations 3 and 3/4 (divided by ) 1 and 3/8 . 3 3/4  1 3/8 . 15/4 (divided by ) 11/8= 30/11 =(after rounding it should be 2.73) that's how it suppost to be and look Yes, that is what I
asked by Jasmine20 
business studies
what does product diversification mean? Look at General Electric, they have a tremendously diverse product output. Not producing only one product, but many different products, e.g. conglomerate.
asked by katie 
Math/Physics
crain carries concrete = 610kg distance carried vertically = 91m time carried = 90 seconds What is the kilo watt? I'm not sure which formulas to use... anyone know the answers? Power = (Work done)/(time required) The work done is M g H = 610x9.8x91 =
asked by Mike 
history
does anyone know of a worker of the WPA in the morris or surrounding areas. If so post. Thank you for using the Jiskha Homework Help Forum again. Do you mean Morris, Ill? It is always helpful to clearly describe what you need. The following site is where
asked by mak 
music
What types of music did wind bands play ? Marches,church themes is only i can think of Wind ensambles have a huge repatuar in Classical music
asked by josh 
russian revolution
What qualities was Leon Trostky known for? http://en.wikipedia.org/wiki/Leon_Trotsky
asked by elizabeth 
russian revolution
In 1923, who did Trotsky begin to oppose? What were some of the consequences? http://en.wikipedia.org/wiki/Leon_Trotsky
asked by elizabeth 
rational inequality, math
2 6 ___ + ____ < or =  5 X X  1 Can some one please clearly show me how to answer this and put the solution in interval notation? You need to find another way to write the inequality more clearly. Try using / for division and parentheses for
asked by agirl123 
Introduction to the Criminal Justice System
1. How would searching baggage and people at air terminals,train stations as they board. 2. Maintaining security over large public works projects, such as wter storage facilities, nuclear power plants, electric power stations, subway terminals. Question:
asked by Jo