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February 28, 2015

Posts by dan


Total # Posts: 929

Physics
A tennis ball is a hollow sphere with a thin wall. It is set rolling without slipping at 4.07 m/s on a horizontal section of a track. It rolls around the inside of a vertical circular loop 90.0 cm in diameter and finally leaves the track at a point 20.0 cm below the horizontal...
June 5, 2007

Chemistry
Only a chemist can be trusted with the combination to the safe containing a ton of money. The combination is the pH of solution A, followed by the pH of solution C. (for example: is the pH of solution A is 3.47 and the pH of solution C is 8.15 the combination to the safe is 3-...
April 30, 2007

Business Economics
When we are given an expression for the Short Run Total Cost Curve (for eg: 8 + 3Q - 1.5Q^2 + 0.25Q^3), how do you derive expressions for the following: 1. Average Fixed Costs 2. Average Viarable Costs Curve 3. Marginal Costs Curve 4. Short Run Supply Curve I also have a ...
April 18, 2007

math
Is a glass of water equal to 30 grams or 300 grams? http://www.calorie-count.com/forums/post/20619.html A "glass" of water could designate any size. If you mean a cup of water, Lance's answer should be sufficient. I hope this helps a little more. Thanks for asking.
April 4, 2007

math
Is a glass of water equal to 30 grams or 300 grams? More likely 300 grams. 30 grms would be nearly two tablespoons.
April 4, 2007

Math
Round 427,685 to the nearest thousand. 428,000
March 6, 2007

Math
Three cards are drawn from a deck of 52 playing cards and not replaced. Find the probability of the following: a). Getting three jacks b). Getting an ace, a king, and a spade in that order. c). Getting a club, a spade and a heart in that order. d). Getting three clubs. HELP! a...
February 13, 2007

english
How can I make this better? The prompt is to explain how the author uses narrative voice and characterization to provide social commentary in "The Other Paris" To find story search 2003 AP English Literature and composition free-response questions #2 Mavis Gallant ...
February 6, 2007

pictures of juliette low
duh! Of course
January 26, 2007

Comunications
Prescribe solutions for business communication problems. This sounds like the subject of a major paper. In general, most communication problems are solved by telling the truth, being very clear about your objectives, and considering the sensibilities of your audience.
January 3, 2007

chemistry gas laws
39 Pa for each of 4 blowers; 26 Pa for each of 6
December 4, 2006

english
how do you write an evaluation? What kind of evaluation are you referring to? Job evaluation? Evaluation of literary work? Or what? If you're referring to a literary evaluation, here's a webpage that may help: http://grammar.ccc.commnet.edu/grammar/composition/review....
November 15, 2006

Social Studies
Facts about Georgia. How do we persuade peolpe to come to a colony in the early days? Thank you In Georgia, many were in prison in England: They were given a choice to stay in prison or go to the colonies. I have that. What I need to do is create an advertisement on Georgia in...
November 13, 2006

science
energy needed to change a material from a liquid to a gas... its 3 words Is this for a puzzle? how many letters in each word would help. Try heat of vaporization. 18 letters i dont !@#$%^&in know
November 6, 2006

international business
2yrs later no answers? I don't get how this is any different than asking a friend for help. I don't think it is plagiarism. I have the book. This is the only reference to MERCOSUR and its in a section labeled "Take it to the Web"... "Do you think ...
October 29, 2006

chem again
One more question- how do I balance this half-reaction in terms of atoms? MnO4^-(aq) -> MnO2 (s) i can't balance the oxygen I have no idea! Here is how to do it. It isn't the easiest method (there are easier ones) but this covers areas that you need to know. And ...
October 19, 2006

chem
"The percentage of sodium hydrogen carbonate, NaHCO3, in a powder for stomach upsets is found by titrating .275 M hydrochloric acid. if 15.5 mL of hydrochloric acid is required to react with .500 g of the sample, what is the percentage of sodium hydrogen carbonate in the ...
October 19, 2006

science
how do i balance this equation: sodium hydroxide reacting with sulfurous acid [1 mol sulfurous acid reacts with 2 moles hydroxide ion] my hydrogens aren't balancing right 2 NaOH + H2SO3 -> Na2SO3 + 2 H2O ah thx, i accidently wrote H3O Why are oxygen tanks and spacesuits...
October 19, 2006

geography
population of wales Check this site for the population of Wales plus a lot of additional information about this part of the United Kingdom. http://worldatlas.com/webimage/countrys/europe/ukw.htm
October 9, 2006

chemistry
Assuming the molor mass of paraffin is 280 g/mol, calculate the # of mols of paraffin burned. Then calculate the heat of combustion of paraffin in kJ/mol I don't think I can help you with the information provided. We need an equation (although we can wing that one) but we ...
September 26, 2006

RE: accounting
When posting a journal entry how would I post the following. March 9 Completed a 7,500 project for a client who must pay within 30 days. March 22 Received 3,500 cash as a partial payment fro the work completed on March 9 Please help immediately thanks Thank you for using the ...
September 12, 2006

Accounting?
I need to post a journal entry and a trial balance. Can anyone help???
September 11, 2006

Accounting
I have to prepare a income statement with the following info. I don't understand it. cash 11,360 Accounts Receivable 14,000 office supplies 3,250 land 46,000 office equipment 18,000 accounts payable 8,500 owner investments 84,000 cash withdrawals by owner 2,000 consulting ...
September 6, 2006

math
Simplify 36x^2 y^4 a^-2 ____________________ 72a x^-1 y ^ means power I answreed this above.
September 5, 2006

Tickets
Hi all. Be sincere; be brief; be seated. I am from Sierra and learning to write in English, give please true I wrote the following sentence: "Find discount coupons and deals for cheap airline travel tickets at online stores with couponmountain." With best wishes :(, ...
July 20, 2006

business
hi guys can you please answer some of these stuff? its for my business case about business philos and strategies.. i need everyones opinions and answers.. here goes: 1. Using the operations system model, describe fully kripy kreme’s production philosophy? How does it ...
July 1, 2006

ionic or covalent
Citric acid is a moleule with entirely covalent bonds. Covalent componds can dissociate (weakly) into ions in solution, after all water itself dissociates to a small degree. Citric acid is an organic acid; it does dissociate (weakly) however the bonds that hold the hydrogens ...
June 19, 2006

word problem
A person invests $7,500 part at 5% and the remainder at 4% simple interest. If the total interest at the end of the first year was $346.50, find the amount invested at 4%. total interest=346.5=7500*.05 + x*.04 solve for x. ooopsss, I misread the problem. The total amount ...
July 17, 2005

word problem
A person invests $7,500 part at 5% and the remainder at 4% simple interest. If the total interest at the end of the first year was $346.50, find the amount invested at 4%. Let x = amount invested at 5% Let (7500 - x) = amount invested at 4% 0.05x + 0.04(7500 - x) = 346.50 HINT...
July 17, 2005

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