# Questions Asked onDecember 16, 2007

1. ## math

what is the answer to the riddle "why is it good to play cards in a graveyard"

2. ## physics

a collapsible plastic bag contains a gluccose solution. If the average gauge pressure in the atery is 1.33x10^4Pa, what must be the minimum height h, of the bag in order to infuse gluccose into the artery? Assume that the specific gravity of the solution

3. ## Math

Statistics Help Space shuttle astronauts each consume an average of 3000 calories per day. One meal normally consists of a main dish, a vegetable dish, and two different desserts. The astronaus can choose from 10 main dishes, 8 vegetable dishes, and 13

4. ## chemistry

explain why the pure solvent shows a level horizontal curve as solidification occurs, but the curve for the solution slopes downward slightly. ??

5. ## Physics

What force would you have to exert on a 326-N trunk up a 19.0° inclined plane so that it would slide down the plane with a constant velocity? What would be the direction of the force? (The coefficient of friction between the plane and the trunk is 0.328.)

6. ## physics

a cowboy at a dude ranch fills a horse trough that is 1.5m long, 60cm wide, and 40cm deep. He uses a 2.0cm diameter hose from which water emerges at 1.5m/s. How long does it take him to fill the trough? (150cmx60cmx40cm)/((pi)(2cm)^2(150cm/s))=191 sec

7. ## physics

(a)If the wind blows at 30m/s over the roof of your house, what is the pressure difference at the roof between the inside and outside air (b) What net force does this pressure difference produce on a roof having an area of 175m^2? I have no clue how to

8. ## To Jessica

Sorry, but I made two errors. Monocalcium phosphate is monocalcium monohydrogen phosphate which is CaHPO4. The Ca is +2, H is +1, and PO4 is -3 so the +3 and -3 balance. And Bob Pursley did NOT suggest that name of monocalcium dihydrogen phosphate, he was

9. ## think critically

crossword challenge 3 letter word a pen pal?

10. ## Science

A cross of a black chicken with a white chicken produces all speckled offspring. This type of inheritance is known as.....

11. ## Chemistry

i don't understand electron affinity and it isnt in our text book at all and we have a test over it tomorrow...can someone help me???

12. ## HUM 130

1. What is a denomination—specifically a Christian denomination? 2. Which denominations are included in Christianity?

13. ## HUM 130

What are the central beliefs of Islam, and how are they reflected in the "Five Pillars” ? Which of the Five Pillars do you feel would be easiest to fulfill, and which would be the most challenging? Why?

14. ## Urgent Needs Physics Help

Ok, so I am doing this paper on the physics mistakes in Willy Wonka and the Chocolate factory. To prove that the everlasting gobstopper defies the laws of physics, I wanted to use Zeno's paradoxes to do so. But are his paradoxes correct? There are theories

15. ## SCI 275

What are some challenges with using and managing these alternative, renewable energy resources. these are Wind power, solar energy, and biomass. Nonrenewable energy resources include coal, oil, and natural gas. Describe three common challenges with

16. ## physics

ok so I really don't get 2d collisions and I thought I knew how to do this one but I have no idea: A 104 kg baseball player jumps up verticlly to catch a baseball of mass .254 kg traveling horizontally with a speed of 28.6 m/s. If the vertical speed of the

17. ## Algebra II

Describe the system 6x-2y=10 and 9x-3y=8 as consistent and independent, consistent and dependent, or inconsistent. Explain. I don't know how to do this one

18. ## geography

i am so stuck and it's stressing me out cos i just can't do geography. does anyone now how ash and lava volcanoes are formed?? Or can anyone give me any useful sites that will help me with this question??? Thanks

19. ## Math

Solve the following system of linear inequalities by graphing. 3x – y < 2 x + y > 2

20. ## French

Are the following sentences, which are in French, grammatically correct? 1. Les films sont merveilleux. 2. Les hommes sont gros. 3. Les pieces sont merveilleux. 4. Les poixxons sont frais. 5. Les murs sont epais. 6. Les garcons sont heureux.

21. ## math

3 1/2 x 5/6 x 3 2/5 3x2+1=7/2 6x2+5=17/5 7/2x5/6x17/5 = 596/60 = 59 5/12 Is this right? I feel like I am doing something wrong.. thanks

22. ## Chemistry

How can I tell whether something is a weak, strong, or non-electrolyte? I know non-electrolytes do not ionize, strong almost completely ionize and weak only partially. But how would I be able to tell? Like, something like KOH is a strong electrolyte

23. ## Physics and the movies

Would A.I. and Pearl Harbour be good movies to analyze for physics mistakes?

24. ## chemistry

ARe these chemical formulas correct? monocalcium phosphate: CaPO4 sodium phosphate: Na3PO4 calcium carbonate: CaPO4 Calcium Chloride: CaCl2 Magnesium Sulfate:MgSO4 monopotassium phosphate:KPO4

25. ## physics

a 75kg skater is travelling at 15m/s stops suddenly on the ice. If the ice is at 0 degrees and it is assumed that all of the skaters energy is converted to heat, how much ice does he melt? (latent heat of fusion for water is 3.3x10^5 J/kg)

26. ## Chemistry

I'm struggling with this homework question: Draw all possible isomers you can for C4H8O2. So far I have three esters and butanoic acid, is that correct? I'm not sure if I completely understand this question.

27. ## human risk assessment

Calculate the average daily dose (ADD) for each route of exposure. Parameter Average Units Distribution TCE concentration in water 225 ug/L Uniform 183 - 267 ug/L Water intake 0.87 L/day Normal Mean: 0.87 L/day 95th percentile: 2 L/day TCE concentration in

28. ## Social Studies

between j.p. morgan, john d. rockefeller, cornelius vanderbilt, and andrew carnegie, who's business is a example of horizontal integration

29. ## physics

ok so I really don't get 2d collisions and I thought I knew how to do this one but I have no idea: A 104 kg baseball player jumps up verticlly to catch a baseball of mass .254 kg traveling horizontally with a speed of 28.6 m/s. If the vertical speed of the

30. ## URGENT Needs Physics Help

Ok, so I am doing this paper on the physics mistakes in Willy Wonka and the Chocolate factory. To prove that the everlasting gobstopper defies the laws of physics, I wanted to use Zeno's paradoxes to do so. But are his paradoxes correct? There are theories

31. ## Social Studies

Where can I find a simple description of the difference between democratic party vs. republican party? I am 10 and just learning about politics.

32. ## Movie physics

I need to come up with a movie that defies the laws of physics, at least three different times, and has a good way/enough information to prove that they are wrong. Can anyone think of a good movie? Armageddon, Star Wars, is taken.

33. ## SCI 275

Nonrenewable energy resources include coal, oil, and natural gas. Describe three common challenges with managing nonrenewable energy resources.

34. ## physics

work & energy homework problems: please help me =] my teacher is bad a teaching how to do stuff =/ 1)A 5.000kg plastic ball moves with a velocity of 10.00 m/s x. It collides with a second plastic ball of mass of 10.00kg at rest. The collision is completely

35. ## science

what are the chemical formulas for calcium phosphate, calcium carbonate, and potassium phosphate?

36. ## julius caesar

1. What is the Shakespearean tragic flaw? How did this apply to Caesar? 2. Give three reasons why Brutus was not honest when he stated that he killed Caesar for the good of rome.

37. ## World Lit.

Who is Ernst Gobel,. and what was his place in the Holocaust and WW2?

38. ## think critically

a grumpy ocean dweller?

39. ## HUM 130

What are the central beliefs of Islam, and how are they reflected in the "Five Pillars” ?

40. ## Physics

Consider a spaceship located on the Earth-Moon center line (i.e. a line that intersects the centers of both bodies) such that, at that point, the tugs on the spaceship from each celestial body exactly cancel, leaving the craft literally weightless. Take

41. ## Poetry

Why are the following words significant to the poem, "The Love Song of J. Alfred Prufrock"? Etherized Tedious Insidious Formulated Malingers Obtuse Morning Coat Digress If I knew what the answer is or any idea on how to answer this question, I wouldn't be

42. ## Physics

In 39.0 s, a pump delivers 549 dm3 of oil into barrels on a platform 22.0 m above the pump intake pipe. The density of the oil is 0.82 g/cm3. (a) Calculate the work (kJ) done by the pump (b) Calculate the power (kW) produced by the pump W = Fd --> W = mad

43. ## Physics

Suppose that the ratio of the Moon's mass to the Earth's mass is given by 1.200E-2 and that the ratio of the Moon's radius to the Earth's radius is given by 2.700E-1. Calculate the ratio of an astronaut's Moon-weight to Earth-weight. Now it seems like this

44. ## Physics

There are two ways to find how much work is done voercoming friction. One method entails knowing the force overcoming friction. What other calculation could be done to find this wasted work?

45. ## HISTORY

WHICH TEAMS WILL TRAVEL TO A BORDERING STATE TO PLAY THEIR GAME

46. ## literature

the label detective novel is an example of

47. ## Science

Why a match that has been lit will not re-light? please include the energy source in your answer.

48. ## english

I am suppose to come up three meaningful catergories for the topic; hairstlyes. What would be an example of one of these?

49. ## HUM 130

I'm having a little trouble finding information about societal and cultural influences in the Hinduism religion. I looked through the sites that were previously given in questions that were asked but didn't see much in the way for the information I need.

50. ## math

haylee is geting a job for moing lanws her dad lowns her 190 dollars to by a lawn mower. when she startes she is in depth 190 dollars. in week two she is in depth 70 dollars. how did she get to be depth 70 dollars

51. ## Math

Consider the matrices P = 3 1 1 3 and S = 4 2 2 4 Calculate P^n and S^n for different values of n and describe any patterns you observe. I cannot find any patterns at all. I would really appreciate any help at all. Thanks!

52. ## AP Chem

I am really having a hard time with this question. Which of these compounds will exhibit optical isomerism? Show why. a) CH3CH2CONHC2H5 b) CH3-CH-NO2 CH2-COOH i don't even know where to begin.

53. ## economics

On the aggregate demand graph if aggregate demand increases does the bar move left or right?

54. ## art

Which artist was least successful in his lifetime? Rembrandt, De la Tour, Rubeens, or Vermeer? I think it was Vermeer.

55. ## Physics

A constant net force of 406 N, up, is applied to a stone that weights 33 N. The upward force is applied through a distance of 2.4 m, and the stone is then released. To what height, from the point of release, will the stone rise? Net force = ma W = mg PE =

56. ## english

What are expository writing purposes? For example, I have to write 2 expository writing purposes on a historical figure.

57. ## English

I need book reviews of "Carrie"

58. ## English

Can some one please check this assignment for me. I would certainly appreciate it Thanks Danielle Argument Evaluation Answer the following questions for each argument, making sure to explain how you arrived at your answers. o Do the premises sufficiently

59. ## math

how do you do 2to the power of 0times2to the power of 5 times 2 to the -power of 2

60. ## STATISTICS

Here is the problem: (A) Select a random sample of 30 student from our population (we have a data entry to get the sample from). At the 0.05 level of significance is there evidence that the average travel time is greater than 45 minutes? (B) What

61. ## movie physics

I need to come up with a movie that defies the laws of physics, at least three different times, and has a good way/enough information to prove that they are wrong. Can anyone think of a good movie? Armageddon, Star Wars, is taken.

62. ## French

Is this how you say france is located in the perfect area- la France est localisée dans le secteur parfait

63. ## HUM 130

What events and figures have shaped the development of Islam in the United States?

64. ## MATH

This is a statistics question: (A) Select a random sample of 30 student from our population (we have a data entry to get the sample from). At the 0.05 level of significance is there evidence that the average travel time is greater than 45 minutes? (B) What

65. ## french

what contributions did the french make to ameriaca? I need 3 more

66. ## WWII

The "Phony War" ended April 1940. However, many Canadians were not sent before 1942. What did the ones that were sent with the 1st Division Canadaian infrantry do in Britain until 1942?

67. ## Chemistry

The pH of healthy lakes is around 6.0. Due to acid rain, the pH of our lakes & rivers is decreasing. At low pH levels, producers such as phytoplankton cannot thrive. Decreased plankton can cause consumer populations to crash. The end result is a lake

68. ## fiboccani numbers

What are fiboccani numbers related too

69. ## frankenstein

how is frankenstein a good example of a gothic novel?

70. ## Math

2x-y=4 and 2x-y=3

71. ## math

what is the fraction of 0.625 and 0.952

72. ## math

what is the fraction of 0.952 and of 0.33?

73. ## Math

We have to simplify complex numbers and I was wondering whether I did these problems correctly. 1. 4i^2-2i^3 = -4+2i 2. (-i)^3 = i 3. (the square root of a -2)^6= -8 4.1/(2i)^3 = i/8

74. ## economics

On the aggregate demand graph if aggregate demand increases does the bar move left or right?

75. ## social

What type of party system do we have in the united states and why? i need an answer cuz ive been looking for 2 hours and am so frustrated!!!! AHHHHHHHHHHHHHH

76. ## US Government Repost for Lavan

Us/Government - Lavan Shepherd, Sunday, December 16, 2007 at 4:31pm The first legistlature in what became the united states was the what?

77. ## SCI 275

One renewable energy resource

78. ## English

What is the theme of of Design by Robert Frost?

79. ## world civ

does anyone know some thorough, detailed websites on Marcus Cocceius Nerva (AD 96-98)? thank you!!

80. ## English

Hi, I need to know the background on the literay term: interjection. I have the definition and examples of it, but I can't seem to find any history on it. Help would be appreciated. Thank you so much!

81. ## Anthro

I am suppose to write an opinion piece about how internet has an impact on the development and socialization of children. How can i start it off?

82. ## english

I'm suppose to indicate whether glass, steel, and wood are considered meaningful or not meaningful. I'm really not sure what this means. I'm going to guess, meaningful.

83. ## english

What would be an opinion that could be used as a topic sentence for a single persuasive paragraph about Photography?

84. ## social studies (civics)

hi... i have to do a project and its about drawing a stamp for any of the amendments... i want to do a stamp on freedom of SPEECH..and i don't know what to do for it... i need suggestions..please...

85. ## WW2

When Canadian troops were sent to Great Britian in WW2 were did they go to train for the war? (training camps?) and if they did go to traiing camps, were they`re any names for them. I looked everywhere but i cant seem to find a name

86. ## Math (Trig)

Solve the equation for exact values of x. sin(x) = 1-2(sin(x))^2

87. ## social studies

what are the impacts of industrialization on the world

88. ## e r murrow

who am i i am not a doctor ,but my name is surgen .from the bklyn aquarium

89. ## math

40 35 - 2+i 2-i How do I solve this? there is a division sign between the 40 and 2=i and another one between 35 and 2-i

90. ## human risk assessment

225ug/L*.86ug/m3*13.1m3/day*1033ug/m3*10years/52kg

91. ## french

can someone help find information or tell me about positive characteristics of the French people- temperament, physical characteristics

92. ## critical thinking

what is nonprejudical

93. ## Chemistry

How do I the molarity of 200 mL of solution in which 2.0 moles of sodium bromide is dissovled?

94. ## english

What is the difference between the words "abstraction" and "universal" when both are used as nouns?

95. ## biology

What is needed when experimenting on humans

96. ## WWII

I`m not understanding " the miricle of dunkirk" "With German troops pressing from all sides the Allied troops were forced to the Channel with the sea as the only hope of escape. Then came the "miracle of Dunkirk." Between May 27 and June 4 almost 350,000

97. ## art

Why were there fewer patrons in Northern Europe than in Italy?

98. ## English

What is it called when you replace a noun with another appropriate, but humourous noun to get your point across? ex. Marissa, as sweet as you are, your meaner than a salt shaker. ex. Taylor, your such a zit. Is it an oxymoron?

99. ## word problems

how do you solve these using polynomial equations??? the altitude of a triangle is 5m less than half its base. if the area of the triangle is 300m, find the measure of the base. the sum of the squares of two consecutive negative integers is 61. find the

100. ## MATH

This is a statistics question: ***(A) Select a random sample of 30 student from our population (we have a data entry to get the sample from). At the 0.05 level of significance is there evidence that the average travel time is greater than 45 minutes? (B)

101. ## Math

Construct a Truth Table for the given statement: 1. p implies ~(pVq) 2. ~(p AND q)Vp

102. ## English

What could I use to substitute this phrase: It seems as though I want to use something else to say the same thing ..