Questions Asked on
June 7, 2007

Physics;Help!!!!!!
There is apparently no one online who can help with physics questions right now. Please check back later to see if a physics teacher has addressed your question. Multiple posts won't get faster answers. Thanks. =) The question is in the first question
asked by Writeacher 
scienceplz help this is so urgent!
8. a) after the oceans, where is the next largest reserve of water found? b) does this reserve contain salt water or fresh water? Fresh water lakes on the surface. Glaciers and icecaps account for a greater amount of water than lakes swamps and rivers if
asked by jen 
riddles
what do you call the golden gate bridge at 5.pm put this riddle on the Riddle section. http://www.jiskha.com/net_riddle/
asked by me 
AP Chemisty
N2(g)+3F2 yields 2Nf3(g) Delta H(degree)298=264KJ mol1;Delta S(degree)298=278J K1 mol1 The following questions relate to the synthesis reaction represented by the chemical equation above. a.)CAlculate the value of the standard free energy change,
asked by Jenna 
BSHRM
I can't find any classification of food service operations. ;) http://www.answers.com/classification classification = type = kind =)
asked by Margie 
International Business
The U.S. congress approved the North American Free Trade Agreement (NAFTA) despite strong opposition from organized labor. What motivated labor's stand? Have labor's forecases turned out to be correct?
asked by M 
math/algebra
solve each of the following systems by substitution. 16) 5x 2y = 5 y  5x = 3 20) 8x 4y = 16 y = 2x  4 28) 4x 12y = 5 x + 3y = 1 Step one: Solve on of the equations for one of the variables. y=2x4 Step two:Substitute the expression for the variable
asked by Diana 
Physics
Hello everyone I know that when a force is applied it has to exert a force opossite But this really is not in my head can someone please give me an evidence or even a diagram showing how can we exert an opposite force if we are walking forwards Thanks alot
asked by Jimmy 
To "rachel" or "jen" or whoever
Please remember these things: 1. This is a homework help website; please put your subject (math, science, English, or ??) in the subject line to make it faster for each teacher to find those questions in his/her areas. An even better subject heading would
asked by Writeacher 
Sorry Chemistry / Ionic Bonding
Hello My exams are coming I'm a straight A student .. the problem however is : My textbooks , teacher and every piece of work that he gives us is complicated can someone explain me how Ionic Bonding works . Please I really beg you... I need your help! My
asked by Sasha 
Math
What was the percent increase in the population in South America from 1900 to 2000? in 1900 38,000,000 in 2000 515,000,000 I was thinking that I need to divide 515,000,000 by 38,000,000 which is 13.55% but I am not sure. subtract 38,000,000 from
asked by Maggie 
Math
Compare the population per square mile in Asia to the population per square mile in North America for the year 2000 Asia is 17,400 (land area) and land area is 1000 mi squared population is 4,028,000,000 North America is 9,400 (land area) and land area is
asked by Maggie 
math linear equations
suppose you earn 5.50/h at a bakery. From your first paycheck you discover that $1.15/h is withheld for taxes and benefits. you work x hours in a five day week and you spend $3.75 each day on lunch. Write an equationfor your earnings for a 5 day week after
asked by Daniel 
history
what was education like in sydney in the 19th century? These sites may help you. http://www.edsw.usyd.edu.au/about/history/index.shtml (Broken Link Removed)
asked by gen 
Math
Hi I have optimization Qs with MATLAB can you help me and did you know about MATLAB cheers
asked by Medo 
math
What is the lowest numberthat has a remainder of 1 when divided by 2 and a remainder of 2 when devided by 3 and a remainder of 3 when divided by 4 and a remainder of 4 when divided by 5? The answer is 59. There is a general method for solving such problms,
asked by jamie 
Math/Euler's Method
Consider a cooling cup of coffee whose initial temperature is 205°. The room temperature is held at 70°. Suppose k = 1/16. Let y be the temperature, and y' its time derivative.  I have the differential equation: y' =
asked by COFFEE 
calc asap!
can you help me get started on this integral by parts? 4 S sqrt(t) ln(t) dt 1 please help! thanks! Integral t^(1/2)Ln(t)dt = 2/3 t^(3/2)Ln(t) 2/3 Integral t^(1/2) dt = 2/3 t^(3/2)Ln(t)  4/9 t^(3/2) Simpler method: Integral t^(a)dt = t^(a+1)/(a+1)
asked by Woof 
writting
How would you approach creating a negative message for a superior? http://answers.yahoo.com/question/index?qid=20060830050606AACEvV3 ... and be sure you use a spellchecker.
asked by linda 
Biology
i am doing research on pandas and i need some questions i can research on i already have these: Why are pandas going exticnt,issues threatining pandas, and population and enviorment descriptions...well they are not really question questions but they are
asked by nah 
Physics  Ionic bonding
Hello My exams are coming I'm a straight A student .. the problem however is : My textbooks , teacher and every piece of work that he gives us is complicated can someone explain me how Ionic Bonding works and when we're taking about this table here can
asked by Sasha 
riddle
What is as big as a castle. Weighs nothing, but a thousand men can't move it? I would guess its shadow at the right time of night. I keep saying stupid things...then correcting myself. Right time of DAY* I think its a cloud....:)
asked by Linda 
French
hello I am going to a french interview tomorrow and the teacher is going to ask me:"do you have a topic that you have prepared that you want to talk about?" in french. and i will say "yes i have. my topic is about my house..." can someone please tell me
asked by Pauline 
Math
What was the percent increase in the mean population from 1950 to 2000? 1950  426,000,000 2000  1,046,500,000 DO I divide 426,000,000 by 1,046,500,000 which is 40.7%? No. First you find the difference in the mean population. Then you take the diiference
asked by Maggie 
State & Local Government
I am having trouble understanding the Federalist #45 http://en.wikipedia.org/wiki/Federalist_No._45
asked by Renae 
Chemistry
What are the conditions required for the following reactions to occur: 1. Addition reaction of alkenes with hydrogen halides. 2. Addition reaction of alkenes with halogens. 3. The dehydration of alcohols. Thanks.
asked by Shym 
SS
A_ +_ +LE _E + _ = O__ put this riddle on the Riddle section. http://www.jiskha.com/net_riddle/
asked by Steve 
Math
What is the total area of Europe? the land area is (1,000 mi squared) Europe land area is 3,800 so do I do it like thsi? 3800*1000 mi squared=3800000 mi squared? You have a problem here: 3800 what? Please completely rewrite the problem. Then repost it.
asked by Maggie 
maths HELPPP
Y= AX + B Write a program for the calculator which: • Generates and displays suitable integer values of A and B: • Requests the student to input the coefficient of Y and the constant term in the re arranged formula; • Checks the students answers; •
asked by kat 
Physics
How do you find acceleration and Fnet for a diagram containing only one object with a mass, like say 10kg, and two arrows going in the opposite directions(horizontally) with thier tips touching each side of the object. **NOTE: there are no other numbers
asked by Pamela 
Math
I posted this earlier, but got no answer. So I am reposting. Jean deposited a check for $625, wrote two for $68.74 and $29.95 and used her debit card to pay for a purchase of $57.65. How has her account balance changed? I am a little lost, I understand
asked by JaneEllen 
HELP
How do you find acceleration and Fnet for a diagram containing only one object with a mass, like say 10kg, and two arrows going in the opposite directions(horizontally) with thier tips touching each side of the object. **NOTE: there are no other numbers
asked by Pamela 
English
Where was the planning of dday at? I mean where were the Americans, Canadians, and British meeting, to discuss the plannings of dday? Thank you for using the Jiskha Homework Help Forum. There was a great deal of planning and the first planned date was
asked by John 
All the Word Scramblers
Thank you all for the Unscrambled Words but there are way too many! To ALL of you, here are some sites to try. My favorite is #1: 1. http://www.ssynth.co.uk/%7Egay/anagram.html 2. http://www.utsire.com/anagrams/ 3.
asked by SraJMcGin 
BSHRM
1.how will you know that the food is safe to eat? 2.what are the factors involved in food safety? thank you :) http://www.foodsafety.gov/
asked by Margie 
economics
The Australian dollar is currently very high, with a value of US$0.80. Many people expect the Australian dollar to rise even higher by the end of the year, to as much as US$0.90. Use a ¡°FOREX¡± (foreign exchange market) diagram to show the impact of
asked by Gary.L 
Math
Jean deposited a check for $625, wrote two for $68.74 and $29.95 and used her debit card to pay for a purchase of $57.65. How has her account balance changed? I am a little lost, I understand the deposit BUT from what I understand she wrote 2 check in the
asked by JaneEllen 
Nutriton
I am wondering how would you do a slide show about the Nutritional Needs in Pregancy, infants teenagers, adults, and older adults. I am confused on what I need, I was thinking using the food needed along with the amount of calories for teenolder adults.
asked by Fonda 
electricity
If one body is positively charged and another is negatively charged what will free electrons do? Generally it flows providing they are touching (or close enough to jump) and are conductors. Please read: http://www.kpsec.freeuk.com/electron.htm
asked by catherine 
economyst check!
In many families both parents work, as a result there is increasing need for day care. Data was collected; and one year in Canada approximately 32% of children aged 0 to 11 years were in day care for at least 20h per week. What is the probability, in a
asked by stats! 
biology
Explain how respiration and the circulatory system work together when an individual is exercising. Does tissue need oxygen at a higher rate? Does tissue need to void CO2 at a higher rate? Does the heart pulse speed up? Does the breathing rate increase?
asked by Gabrielle 
Religion
similarities between Baptist Church and Roman Catholic Church Both have sacraments, basically the same beliefs, and loosely on the same texts. Both believe in the Trinity of God. Please check your textbook and tell us what you've found. We'll be glad to
asked by Krystle 
French
How do you say "if you want to read this..." in French? Would it be "Si vous voulez lire ceci...?" Thank you for using the Jiskha Homework Help Forum. Yes, that is one way. To be more polite, you might say "if you wish..." = Si vous voudriez.....
asked by  
math
A box with a square base and no top is to hold 32in^3. Find the dimensions that require the least building material nevermind i got it
asked by jean 
philosyphy
Why do we drive on parkways and park in driveways? Why is there brail on a drive up ATM? More riddles  these need to be posted in the Riddles section at the bottom of the main Jiskha page. =) Parkway: A parkway is a general designation of a type of
asked by Linda 
BSHRM
1.What are the different classification of food service operations? 2.What are the different types of food service system?
asked by Margie 
economics
China is one of the few countries in the world to have a fixed exchange rate. In the past, it has experienced a huge increas in exports of goods. Use a "FOREX" diagram to show the effect of the increase in exports. In your answer you must explain the
asked by Gary.L 
economics
In the 1920s the French Government was determined to greatly increase its gold reserves by manipulating its exchange rate. Explain what exchange rate regime the French Government would have chosen for this purpose and explain how it would have achieved its
asked by Gary.L 
Government
Article III of the Constitution creates the judicial branch. This article: A. grants Congress the authority to establish lower federal courts as it deems fit. B. prohibits states from creating their own judicial systems. C. establishes a Supreme Court and
asked by John 
French
Is it correct to say "apres il a fini, nous avons..." or should it be "apres il finissait, nous avons..." Thanks No, I think it is more appropriate to say "apres qu'il a fini, nous avons..." or it could be " apres avoir fini, nouus avons..." Thank you for
asked by Ann 
Business
What are the fundamental differences between Windows®, Mac OS®, UNIX, and Linux operating systems for personal computers? What unique characteristics do mainframe operating systems have?
asked by Sweetpea 
science
if a magnet is moved in and out of a coil of a copper wire, electrcity begins to flow through the coil. True or False If the coil is in a closed circuit then electricity will flow, if not there will be only an induced emf.
asked by julie 
math
what is the lowest number which is divisible by 1,2,3,4,5,6,7,8 and 9? Go to: http://www.helpwithfractions.com/leastcommondenominator.html And apply method 2 It works very well.
asked by jamie 
math
If a man drove 3.5 miles to a gas station and on the way home drove 2 times that +.7 miles,how many miles did he drive?? 3.5 + 2 times 3.5 + .7 = what Do the math. 17.5 omg ur so smart...
asked by Caitlyn 
HelpMeLinda
Hello miss Linda I really appreciate you explaning the topic thankyou very much my question is Why does stone (concrete) strong under compression ? can you explain me this and Why is Steel strong under tension ? thank a mil Well, stone is not always
asked by Jr. Smith Laren 
Math
Would this be correct? What is the percent increase in the population for all six inhabited continents, excluding Asia, from 1950 to 2000? total for 1950  965,000,000 total for 2000  2,251,000,000 2,251,000,000  965,000,000 = 1,286,000,000 1,286,000,000
asked by Maggie 
child care
how does poverty affect the growth and develpment to children Please try some reading here:
asked by emma 
Maths
Hello how do we get the resultant force of a vector id the the forces were in different directions ? and how do we use the parellogram thingi do we just add the forces? please can some1 explain me this in their own words thanks alot Since this is not my
asked by Acer 
Calculation !
Bonjour If we have a young man who weigh's 1000 N and another one weighs 500N on a seesaw They have the same distance apart which is 2 metres away from the pivot Why do we get the overall 500N Turning clockwise to the 1000N person ? More mass in the
asked by Kaffirlily 
TO "HelpMeLinda" and "Jr. Smith Laren"
Please post under one name. Multiple posts from one IP address are questionable. Thanks. =)
asked by Writeacher 
math
3 MEN GO INTO A MOTEL. THE MAN BEHIND THE DESK SAID THE ROOM IS $30, SO EACH MAN PAID $10 AND WENT TO THE ROOM. A WHILE LATER THE MAN BEHIND THE DESK REALIZED THE ROOM WAS ONLY $25, SO HE SENT THE BELLBOY TO THE 3 GUYS' ROOM WITH $5. ON THE WAY, THE
asked by bo 
maths
number of films seen by a group of people during the past year No of films seen 0 1 2 3 4 5 6 7 8 No of people 23 12 9 6 3 4 2 0 1 What percentage of people had seen more than 4 films during the year? would it be 10/60 = 0.1666 x 100 = 16.6% is this
asked by S 
maths
for this equation x^2  x = 0 would x = 1 i think this is the answer but i need to write it out step by step in how i worked the answer out, can any one help me please?? factor (x+1) (x1) =0 so solve each little equation x+1=0 x=1 and x1=0 x=1 so both 1
asked by sarah 
spanish/social
Latin americans have immigrated here legally or illegally, and some remain in their countries. Lately George Bush has made a deal for illegal aliens. What is the importance of this? Thank you for using the Jiskha Homework Help Forum. Here is the site
asked by joseph 
Biostats
I am having problems in this course with following the professor. Can anyone help me with this problem Thanks need to calculate 99% CI for true mean with the following data: n=100, mean is 126 with sample variance of 402. I have to know the answer,
asked by Grace 
Spanish Help, Por Favor!
Please help me correct the following paragraph for grammar, spelling, and word usage. Thanks! El testigo del Jehová estaba parado en el borde de la tabla y gritó para sus pantalones. Desafortunadamente, los tres enanos habían funcionado ya lejos,
asked by Juan