# Questions Asked onMarch 2, 2007

1. ## Physics

A 2.50g bullet, traveling at a speed of 425m/s, strikes the wooden block of a ballistic pendulum. The block has a mass of 270g (a) find the speed of the bullet/block combination immediately after the collision (b) how high does the combination rise above

2. ## the odyssey

what is an important theme in the odyssey,Part 2?Describe the events that illustrate this theme? You need to go to www.sparknotes.com/lit, find Odyssey (in the O section, not the T's), read through the themes section, and decide. Let us know what you

3. ## accounting

Doug Maltbee formed a lawn service business as a summer job. To start the business on May 1, he deposited \$1,000 in a new bank account in the name of the proprietorship. The \$1,000 consisted of a \$600 loan from his father and \$400 of his own money. Doug

4. ## Chemistry - Gas Laws

Liquid helium at 4.2 K has a density of 0.147 g/mL. Suppose that a 1.00-L metal bottle that contains air at 118K and 1.0 atm pressure is sealed off. If we inject 120.0 mL of liquid helium and allow the entire system to warm to room temperature (25 °C),

5. ## management science

A market research firm has three clients who have each requested that the firm conduct a sample survey. Four available statisticians can be assigned to these three projects; however, all four statisticians are busy , and can only handle one clients. The

6. ## English

http://grammar.ccc.commnet.edu/grammar/commas.htm Check through these different comma uses (including explanations and examples) and decide which one applies to this sentence. Then please re-post and let me know what you think. =) Punctuating sentences The

7. ## Gas Laws and Energy

I have another question. I've tried it and i keep getting it wrong. The average kinetic energy of a 1.85-g sample of argon gas in a 3.00-L bulb is 1.28e-22 J/atom. What is the pressure of the gas? What is the root mean square velocity of the argon atoms

8. ## Re: Physics/Math

A single force acts on a 5.0 kg particle-like object in such a way that the position of the object as a function of time is given by x = 3.0t - 4.0t 2 + 1.0t 3, with x in meters and t in seconds. Find the work done on the object by the force from t = 0 to

9. ## Chemistry

H20SO4(aq)-> 2H+(aq) + SO4 2- (a) Calculate the hydrogen ion concentration (in mol 1-1) in this solution. Show steps and explain your reasoning Also what is the pH of the sulfuric acid solution nearet whole number You don't have any numbers. Sulfuric Acid

10. ## math

A chemist has 80 pints of a 20% iodine solution. How many pints of iodine must be added to produce a solution that is 33.1/3% iodine? Please help me work this through Let X be the number of pints of iodine that must be added. You start out with a mix that

11. ## Statistics

A bottling company uses a filling machine to fill glass bottles with mango juice. The bottles are supposed to contain 300 milliliters (ml). In fact the amounts vary according to a normal distribution with mean = 298 and standard dev = 3 ml. What is the

12. ## Chemistry

Methanol, CH3OH, is produced on an industrial scale from carbon monoxide and hydrogen. At the temperatures used, gaseous methanol is formed according to the following thermochemical equation: CO(g)+ 2H2(g) CH3OH(g) £H = -90Kj 1. State Le Chateliers

13. ## Statistics

A building contractor claims that they can renovate a 200 sq foot kitchen and dining room in 40 work hours plus minus 5 (the mean and standard deviation respectively). The work includes plumbing, electrical installation, cabinets, flooring, painting and

14. ## Physics

Two balls are approaching each other head on. Their velocities are + 9.55 and -11.0 m/s (a) Determine the velocity of the center of mass of the two balls if they have the same mass. (b) Determine the velocity of the center of mass of the two balls if the

15. ## Statistics

part 2 - An entertainment company owns and operates movie theaters in Wyoming. The president of the company is concerned that film rentals are hurting the business. They directed a staff member to estimate the total number of films rented by households in

16. ## Statistics

A bottling company uses a filling machine to fill glass bottles with mango juice. The bottles are supposed to contain 300 milliliters (ml). In fact the amounts vary according to a normal distribution with mean = 298 and standard dev = 3 ml. What is the

17. ## math

The population of Norson, the largest city in Transitania, is 50% of the rest of the population of Transitania. The population of Norson is what percent of the entire population of Transitania? Assume there are 100 people in Transitania.

18. ## Economics

A. Domestic trade 1.) how does marketing affect local trade? 2.) why should we expand our domestic trade? 3.) why is retail trade important? B. Foreign trade 1.) what are the top ten export product of the Philippines? 2.) how do Philippines promote foreign

19. ## Algebra

How do I solve this? The perimeter of a rectangular writing pad is 28 inches. The length is 1 inch less than twice the width. Find the width. Show all work! Translate your English into Math or L = 2W - 1 2L + 2W = 28 2(2W-1) + 2L = 28 I am sure you can

20. ## math,correction

Write each fraction in simplest form. #18 (-5x^3y^3)/(-20xy^4) my answer is: (3x^2)/(4y) --------------------------------------- Write each expression in simplest form. #24 (4x-28)/(5x-35) = (4(x-7))/(5(x-7)) MY answer= (4)/(5)

21. ## limit calc question

2 questions!!! 1. Limit X approaching A (X^1/3-a^1/3)/ x-a 2. LiMIT x approaching 0 (1/3+x – 1/3) /x On the first, would it help to write the denominator (x-a) as the difference of two cubes ((x^1/3 cubed - a^1/3 cubed) second. use LHopitals rule. Take

22. ## math - loans

if i have to pay back a loan of 10 million over the next 5 yrs. How much are my yearly payments if each subsequent payment is 15% less than the previous year? What is the interest rate? Zero? If there is zero interest rate on the remaining balance, and if

23. ## unscramble MAUSULT

MAUSULT is the word so could some1 plz help me unscramble it thx n advane Try these: http://www.ssynth.co.uk/~gay/anagram.html http://www.unscramble.net =) thx u so much writeacher thats the word thx a mil take care the ans is mutuals

24. ## Statistics

A specially equipped trauma emergency room at a hospital has been in operation for 40 weeks and has been used a total of 108 times. Assuming the weekly pattern of demand for this facility is poisson compute the following - probability room is not used in a

25. ## Statistics

An entertainment company owns and operates movie theaters in Wyoming. The president of the company is concerned that film rentals are hurting the business. They directed a staff member to estimate the total number of films rented by households in wyoming

26. ## psych

Given the following problem: Pretend that you are a bus driver. You begin the day with an empty bus. At the first stop, you let on 10 passengers. At your second stop, 4 people get off the bus, and 12 people on. At your third stop, 8 people get off the bus,

27. ## English

Punctuating Sentences With five gallons of gas. This is not a complete sentence. Once you write a complete sentence, please repost and we'll help you with punctuation, if necessary. =) With five gallons of gas the car will run. Now it's a complete sentence

28. ## PKA VALUES

I understand that the pH at the half equivalence point gives is the pKa value but could someone explain why this point is the pKa value? HA is a weak acid. HA ==> H^+ + A^- Ka = (H^+)(A^-)/(HA) Solve for (H^+)= Ka*(HA)/(A^-) If we start with, say, 0.1 M HA

29. ## Statistics

part 2 - An entertainment company owns and operates movie theaters in Wyoming. The president of the company is concerned that film rentals are hurting the business. They directed a staff member to estimate the total number of films rented by households in

30. ## math,help

Can someone show me how step by step how to solve this problem... Rewrite the middle term as the sum of two terms and then factor by grouping. x^2-2x-63 step 1. Find two factors which when multiplied will give you -63 and when added will give you -2 how

31. ## chemistry help urgent

Please can someone help me before i pull all my hair out i've been struggling with this for about a week CH2=CH-CH-OH ________' _______CH3 i need to polymerize this compound and draw the structural formula it needs to contain three monomer units and i need

32. ## Math -word problem

The lowest recorded temperature in Sweden is -38 degrees and the lowest recorded temperature in Russia is -68 degrees. How much higher is the low temperature in Sweden than the low temperature in Russia. -68 + -38 = -106 degrees. Did I solve this right?

33. ## math, correction

Add or subtract as indicated. Express your result in simplest form. (5)/(4cd) Plus (11)/(4cd) My answer: (4)/(cd) --------------------------------------- Add or subtract as indicated. Express your result in simplest form. (x^2)/(x-3) Subtracted by

34. ## macro ec

does anyone know how rising inflation rates would effect the price of bonds? Take a shot, and think it through. Hint: bonds typically have a fixed face value (e.g., \$1000) and a fixed interest payment schedule (e.g., 6% of the face value per year), and a

35. ## english

Punctuating Sentences The goose bit the mailman on the leg. Your sentence is punctuated correctly.

36. ## Science

in the process called Fluorescence, some substances absorb photons of one kind of radiation, and give out photons of a different kind. When infrared radiation falls on these materials, visable light is not emitted. Why not? is it to do with the degree of

37. ## math

find the length of a line segment with endpoints (4, -3) and (-2, -1) The general formula is Length = sqrt[(x2 - x1)^2 + (y2 - y1)^2] In your case, that is sqrt [(-6)^2 + (-2)^2]= ...?

38. ## chemisrty

please could you tell me how i would draw an hydrogen atom which has only one electron and describe why it has so many spectral lines, I have studied my text books but cant seem to figure it out, many thanks in advance

39. ## Math- Question

What is the absolute value of -(-6.8) Would it be -6.8 or -6.8? I'm thinking it's 6.8 Imagine a number line. The absolute value is the distance from a given point to zero, right? Distance cannot be negative. Therefore, the distance from (-6.8) to zero is

40. ## Math

How do I simplify this: (The ^ symbol means 3) -3(12)-{5(-4)-2^ I tried it,and got-8,however when I rechecked my work I got -64. Please help! Please help! where is the other } in the equation? And ^ means to the power so -2^3 would be minus 2 to the 3rd

41. ## math

one task takes 7 mins second task takes 12 min third task takes 21 nin how long dids the 3 tasks take, as a fraction of a hour 7/30+12/30+21/30=40/30 =1 1/3 hr is that right? no 2/3 Prinness is correct. There are 60 minutes (not 30) in an hour. So -- your

42. ## math,correction

Geometry. Find the perimeter of the given figure. tHE Figure is a rectangle.It has height (8)/(2x-5) and length (8)/(2x-5) My answer is: (2(x+8))/(2x-5) ------------------------------------ Add or subtract as indicated. Express your result in simplest

43. ## english

can someone direct me or guide me in understanding the Stranger by Albert Camus? http://www.sparknotes.com/lit/stranger/ http://www.gradesaver.com/classicnotes/titles/stranger/ =)

44. ## Re: Physics/Math

A can of sardines is made to move along an x axis from x1 = 0.2 m to x2 = 1.2 m by a force given by F = iF0exp(-0.4x), with x in meters and F0 = 4.5 N. (Here exp is the exponential function.) How much work is done on the can by the force? For Further

45. ## bill of rights

im having trouble with these questions...i need to know what ammendment fits the statement... 1. A united states representative prohibited a local newspaper from printing an editorial that was critical of her record. 2. Congress told the state of Montana

46. ## Math

How do you add this? -5/6 + 1/2 -5/6 + 1/2= 8/6 I know to find the lowest common denominator,which is 6, but the numerator is larger than the denominator which is 8/6. How do I solve? Wouldn't the answer be -1/3? yes, the correct answer is -1/3 They must

47. ## math,correction

Geometry. The volume of the box is represented by (x^2+5x+6)(x+5). Find the polynomial that represents the area of the bottom of the box. the diagram has the height being x+2 My answer is: A=(x+5)(x+3) -------------------------------------- Multiply the

48. ## math,correction

Add or subtract as indicated. Express your result in simplest form. (4y)/(y^2+6y+5) plus (2y)/(y^2-1) My answer is: (6y)/((y+5)(y-1)) ---------------------------------- Geometry. Refer to the triangle in the figure. Find an expression that represents its

49. ## Combustion

In a combustion reaction, do the products or the reactants store more energy? It is the products right? As heat energy goes into the products. Potential energy is greater in the reactants. Heat is lost in the reaction, so the products have lower energy.

50. ## Re: Physics/Math

What work is done by a force (in newtons) F = 3.1xi + 3.1j, with x in meters, that moves a particle from a position r1 = 2.1i + 2.5j to r2 = - -4.9i -3.9j? For Further Reading * Physics/Math - bobpursley, Thursday, March 1, 2007 at 6:27am Work is the dot

51. ## math,help

I did the revision for this one i posted before but i don't seem to find my error... Multiply. (x-8)^2 this is what i did to solve. (x-8)(x-8) then I foiled x^2-8x-8x+64 then i combined like terms x^2-16x+64 correct

52. ## corporate law

what would be the major issues in this CORPORATIONS LIST AUSTIN J FRIDAY 1 SEPTEMBER 2006 5189/05

53. ## main legal issues

CATCHWORDS: CORPORATIONS - statutory derivative action - application by 35% shareholder/director to bring derivative proceedings after company's assets were transferred to a company from which the applicant is excluded - inadequacies of proposed points of

54. ## i need to know the major legal issues

The statement " has been concerned about verifying payments...and also about the financial management..." is ripe for legal detail. Concern is not enough if one is in charge: follow on action is required. Responsibility is a serious legal word, and the

55. ## math,help

I need help factoring this out 6a^2-5a+1 so far what i have is this: (3a-1)(3a ) If you expand your answer you will not get the original expression, so you are wrong. hint: 3a x ?a = 6a^2

56. ## Science

Each element has a different set of energy levels. Use this fact to explain why the colour of the light emitted by an element in the gaseous state is characteristic of the element? I will be happy to critique your thinking on this.

57. ## math help

I need help factoring this out 6a^2-5a+1 okay so now after revising (3a-1)(2a ) the last part i don't know how to actually get -5 and 1 Factoring is not my strong suit. However, by the term "+1", you know that both of the signs in your parenthesis are

58. ## math,correction

Multiply. (x+2)(x-2) my answer is: x^2-4 Factor completely. 3(x-2)^2-3(x-2)-6 MY answer: 3(x-4)(x-1) Factor 9x(x-7y)-6(x-7y) My answer is: (9x-6)(x-7y) Divide: (x^3+2x^2+x+12)/(x+3) My anwer is: x^2-x+4 Looks OK!

59. ## math

How do you solve these types of problems? What is the remainder when 732^500 is divided by 10? The remainder of a division problem is the same as its modulo. 732^500 % 10 = the remainder what is modulo? and what do I need to do to solve this?

60. ## math,correction

Factor 9x(x-7y)-6(x-7y) My answer is: (9x-6)(x-7y) well done

61. ## Home Economics

I have two questions. These two questions have to do with interior decorating. 1) Which of the following expresses a color value? A)True Green B)Dark Green C)Blue-green D)Yellow-green 2) Which of the following statements is correct regarding the design