# Questions Asked onFebruary 14, 2008

1. ## physics #22

A length of wire is bent into a closed loop and a magnet is plunged into it, inducing a voltage and,consequently, a current in the wire. A second lenghtof wire, twice as long, is bent into two loops of wire, and a magnet is similarly plunged into it. Twice

2. ## Physics

At time t = 0s, a puck is sliding on a horizontal table with a velocity 3.00 m/s, 65.0 above the +x axis. As the puck slides, a constant acceleration acts on it that was the following components: ax = 0.460m/s2 and ay = 0.980m/s2. what is the velocity of

3. ## science

can someone put these 7 steps of the scientific method in order for me please. I have google searched these and stuff but it is really confusing me. I only thought there were like. a. run experiment b. conclusion c. compare results d. form a question e.

4. ## Math

The The speed of a passenger train is 12 mph faster then the speed of a freight train. The passenger train travels 270 miles in the same time it takes the freight train to travel 210 miles. Find the speed of each train.

5. ## physics- check

1. three point charges, q1, q2, q3, lie along the x-axis at x = 0,3,5, respectively. Calculate the magnitude and direction of the net electric force on q1 if q1 = +6 x 10^-6 C, q2 = +1.5 X 10^-6 C and q3 = -2.0 x 10^-6 C. my answre is 46.8 N to the right.

6. ## physics prob.

Neon signs require about 12000V for their operation. The primary operates from 120-V lines. a)What is the ratio of the number of loops in the secondary to the number of loops in the primary? b) What is the ratio of the power delivered to the secondary coil

7. ## Human services

find at least three examples of mission statements for human services organizations. show how each one of the mission statements does or does not meet the requirements of a good mission statement. Then determine what other purpose or function the mission

9. ## physics prob.

An ideal transformer has 50 turns in its primary coil and 250 turns in its secondary coil. 12 V is connected to the primary. a)find the voltage across the secondary coil. b) find the current in a 10-ohms device connected to the secondary. c) find the power

10. ## human health

find at least three examples of mission statements for human services organizations. show how each one of the mission statements does or does not meet the requirements of a good mission statement. Then determine what other purpose or function the mission

11. ## Math

A volmeter's pointer is 6 centimeters in length. Find an angle through which it rotates when it moves 2.5 centimeters on the scale.

12. ## physical science

I have been working on my homework for science for a while now and I just wanted to see if I got any questions wrong. Can someone help me by checking what problems i got wrong. My parent told me that I have at least 5 problems wrong. Can someone point them

13. ## Geometry - Proofs

Given: Line cd is the perdendicular bisector of line ab e is on line cd Prove EB=ea

14. ## why doesn't anybody ever help me.

1. three point charges, q1, q2, q3, lie along the x-axis at x = 0,3,5, respectively. Calculate the magnitude and direction of the net electric force on q1 if q1 = +6 x 10^-6 C, q2 = +1.5 X 10^-6 C and q3 = -2.0 x 10^-6 C. my answre is 46.8 N to the right.

15. ## Chemistry

The theoritical yeild of a reaction that gives off nitrogen trifluoride gas is 844 mL at STP. What total volume of NF3 plus water vapor will be collected over water at 25° C and a total pressure of 1.017 atm?

16. ## algebra 1

ana bought 12 pieces of gum consisting of only red gum and white gums. The total cost was 1.29 the red gums each cost .03 more than each white gum and she bought fewer red gums than white gums. How many white gums did she buy?

17. ## french

how do you use inversion for... Tu aimes mieux le rock? is it Aimes mieux-tu....? or Aimes-tu mieux...?

18. ## science hw

I cannot figure out this answer. It is confusing me a lot. I hate problems like this where all of the problems just switch beginnings and endings with each other. The combination of the sand and water makes for a ____________ _____________ because A)

19. ## alg 2

write an exponential function whose graph passes throught the given points... (0,3)and (1,15)...(0,-5)and(-3,-135)...(0,-0.3)and(5,-9.6)

20. ## GEOGRAPHY

Name at least three spin-off jobs that are directly related to the auto industry.

21. ## criminal justice

Should an officer withhold information in a press release if that information could later affect the prosecution of a suspect? Is “setting the stage” for a press release professional or deceitful?

22. ## English

What is the tone of "Wuthering Heights" by Emily Bronte in the first chapter? What is the definition of wuthering?

23. ## ORIENTALISM

How mahy orientalism and prejudice contribut to haet crimes against the muslims, and arabs?

24. ## math

{y-2}/(a^2-5a+6)=(a+1)/(a-3)-(a+2)/(a-2) How can I solve for y in terms of the other variables??? I tried many times, but I just get y=6,can't express y in terms of variables. Can anyone please correct me or teach me?THANKS A LOT!

25. ## Math

There are no typos and no work b/c I don't know how to do them. Thanks. 1)Find cos theta if sin theta=3/5 and 90 degrees

26. ## Science

please help I can't get these lost few words thank you I need the prefix and suffix and the Combining form for each word if there is one thank you so much ahead of time for your help Etymology Mastectomy Neuroma Tachycardia Endotracheal

27. ## math

What is the least positive integer that has exactly thirteen factors?

28. ## math

Vanna Red sells the vowels a, e, i, o, and u each for a different price but less than \$250. Consonants are free. You must pay separately for each occurrence of a vowel in a word. Audacious sells for \$260, equivocations for \$340, inimitable for \$225,

29. ## science

Assume we have a cannon which has a mass of 572 stones. Stones is an English unit. Which fires a projective which has a mass of 40 pounds horizontally. The projective has a velocity of 9,000,000 football fields/fortnight. (A football field is 120 yards. A

30. ## English

I need help to unscramble this word MEFHSKAIT

31. ## French Q

how do you say I like France. Is it J'aime la France?

32. ## Religion

What is the origin of Judaism?

33. ## chemistry

A backpacker carries 2.5 L of white gas as fuel for her stove. How many pounds does the fuel add to her load? Assume the density of white gas to be 0.79 g/cm^3.

34. ## i'm french can u help me about english??

“outdoing” (line 4) means: (A) destroying (B) surpassing (C) defeating (D) throwing out i think B

35. ## english

“squared” (line 9) means: (A) multiplied (B) opposed (C) linked (D) matched i think A

36. ## english

11. “wry” (line 12) means: (A) wicked (B) dry (C) ironic (D) indifferent i don't know

37. ## english

12. “has trebled” (line 15) means: (A) is 3 times less important (B) is one third as important (C) has become 30 times more important (D) has increased threefold i think D

39. ## english

13. “grudging” (line 20) means: (A) reluctant (B) uninspiring (C) passive (D) sullen i think A

40. ## english

14. “soak up” (line 22) means: (A) clean up (B) absorb (C) put an end to (D) increase i think B

41. ## english

15. “scars” (line 27) means: (A) traces (B) fears (C) echoes (D) tools I think A

42. ## english

16. “baffles” (line 32) means: (A) disarms (B) disconnects (C) puzzles (D) distrusts i think C

43. ## english

17. “genuine” (line 45) means: (A) false (B) unifying (C) sophisticated (D) authentic i think D

44. ## english

18. “comply with” (line 52) means: (A) twist (B) disobey (C) circumvent (D) respect i think B

45. ## Calculus I

A tank in the shape of an inverted right circular cone has height \$ 10\$ meters and radius \$ 8\$ meters. It is filled with \$ 6\$ meters of hot chocolate. Find the work required to empty the tank by pumping the hot chocolate over the top of the tank. Note: the

46. ## Chem II

What is the vapor pressure at 23 degrees C of a solution of 1.20 g of naphthalene, C10H8, in 25.6 g of benzene, C6H6? The vapor pressure of pure benzene at 23 degrees C is 86.0 mmHg; the vapor pressure of naphthalene can be neglected. Calcluate the vapor

47. ## english

19. He knew it before he …. (A) arrives. (B) arrived. (C) he would arrive. (D) he has arrived. i think B

48. ## english

20. China will be …. powerful country .… the world. (A) the more / in (B) the most / of (C) the more / of (D) the most / in i think D

49. ## english

21. …. are friendly and welcoming. (A) The Chinese (B) Chinesemen (C) The Chinamen (D) The Chinesemen i think A

50. ## english

22. China is adopting …. (A) a driven-market economy. (B) a market-driven economy. (C) a driven-economic market. (D) an economically driven-market i think B

51. ## english

23. It is said that communism …. (A) will soon be died. (B) will soon have dead. (C) will soon be dead. (D) will have soon died. i think C

52. ## english

24. Chinese prosperity is now depending .... economic competition. (A) of (B) out of (C) on (D) from i think A

53. ## english

25. He …. in Asia until he died. (A) will live (B) has lived (C) would live (D) lived i think D

54. ## english

26. …. is becoming liberalised. (A) Chinese national discourse (B) China’s national discourse (C) The national Chinese discourse (D) The national China discourse i think A

55. ## english

27. When they …. in Shanghai, they .… amazed. (A) arrive / will be (B) will arrive / will be (C) arrived / would be (D) had arrived / were i think it is not B and A but between C and D...i don't know

56. ## english

28. Even today, young people .… study Lenin’s theories at the university. (A) had to (B) have had to (C) have to (D) had had to i think A

57. ## english

29. We were amazed .… his knowledge of Confucius philosophy. (A) with (B) at (C) by (D) of i think C

58. ## english

30. In a speech he gave last week, Deng Xiaoping .… that Chinese economy should be commercially competitive. (A) has declared (B) had declared (C) will have declared (D) declared i think B

59. ## english

31. China is .… considered as a communist country by a large number of people. (A) no longer (B) not longer (C) not more (D) no any longer i think B

60. ## english

34. The Chinese love .… strangers. (A) of receiving (B) to receiving (C) receiving (D) receive i don't know

61. ## math

There are no typos and no work b/c I don't know how to do them. Thanks. 1)Find cos theta if sin theta=3/5 and 90 degrees

62. ## Chemistry HELP

Not all enzymes have an optimum temp of around 40 degrees celcius. Find out where reactions involving enzymes: would take place at very high temperatures would take place at very low temperatures i've tried looking on the internet, but I get a lot of

63. ## Chem II

How do you figure freezing points and boiling points?

64. ## math

How can I explain the angle sum theorem? and whats a good example for it?

65. ## Hum

What are the historical figures and events of Judaism? what are the ethics and morality of Judaism?

66. ## math- Triangle facts

Explaining the isosceles theorem. Explain why the SAS Inequality theorem is also called the Hinge theorem. the steps for Indirect Proofs and using an indirect proof with an algebraic problem.

67. ## science

do skeletal muscle cells have a lysosome, centrioles, cilia ? I have read a lot of website but these are not mentioned!

68. ## ecology

What is an niche???

69. ## fair project

what happen when metal, cloth and wood get exposed to fire

71. ## chemistry

what are two regions make up all atoms?

72. ## geoagraphy!!!!!

What government imposed barriers stop or hinder the export of automabiles???

73. ## Chemistry

what is the approx. atomic weight for Boron? (to the nearest tenth)

74. ## I dont think drawing a picture will help me drwls

Which expression is equivalent to tan theta-sec theta/sin theta? A)-cot theta B)cot theta C)tan theta-cot theta D)tan theta-sec^2theta just tell me what I need to know to set it up

75. ## Physics

In this lab we did, we measured the angles of light that came through a piece of this special plastic. We had to find out the index of refraction for each of the angles of incidence in two different cases. The question asks "Is there a good agreement

76. ## math

Hi, I'm 8 and I need help I have to draw 3 shapes with the same perimeter and i don't know how.

77. ## Physics

In sunlight, which becomes warmer: reading glasses or dark sunglasses? i said reading glasses because the UV waves and infrared resonate on the glass, generating more heat. and dark sunglasses just absorb the heat and convert it into internal energy is

78. ## Science

We have to draw a "element superhero" for science, I was thinking about doing mercury, but all i know about it, is it used to be in thermometers and it is silvery. What are some other things about it and is it in the group, metals?

79. ## history

can someone tell me what the due process is in government?

80. ## Spanish

How do you spell the spanish word for "to understand", comprehender?

81. ## Chemistry

My teacher provided info about a worksheet of problems. Special Heat of water: 4.184 Special Heat of Steam: 2.09 Special Heat of Ice: 1.8 Based on this info, and the notes we have taken on phase changes, we are supposed to find out how much energy is

82. ## Science

What is the equation for calculating final temperature when equal masses of water are mixed? What is the equation for calculating how much heat energy calories transferred to or from a mass of water?

83. ## math

if there are 4 pyramids and 1 cube on one side and 2 cubes on the other side f a scale how many pyramids balance 1 cube

84. ## inequalities

I am absolutely stuck on this inequality. It is: 2(3x-5)>2x+6. I'm not quite sure how to solve it.

85. ## Math

I'm stuck on this 1 math problem. I've tried many ways to figure it out, but I can't. The problem is; 2(3x-5)>2x+6.

86. ## math

Can anyone please teach me how to solve for x in terms of a,b,c in this problem? Thanks a lot! ax^2+bx+c=0

87. ## CHEMISTRY

For a lab, I have to find the experimental values of i (Van T'Hoff factor). so far this is what i have, but it's incorrect. could you please tell me what i'm doing wrong??? thanks. given info: the lab varied the concentration of Mg(NO3)2 the theoretical

88. ## science

Scientists debate about the use of fossils as a tool to determine records of various events, such as the vanishing of the dinosaurs or the origin of our ancestors.discuss the role of fossils in helping scientists develop accurate records of the geologic

89. ## math-patterns

what is the next number in the pattern 6,38,932,1087,12437

90. ## Economy

I am having a hard time finding industry that is affected by the economy that would spark my interest can anyone suggest something

91. ## shakespeare

ok so i have to summarize 3 important events in act 1 of romeo and Juliet by using a creative way like an email or article or letter, poem, essay, joke, ect. I have to have to be a certain person in the act and be talking to another person in the act. and

92. ## AP Gov

what are two factors that increase presidential approval ratings and why? what are two factors that decrease presidential approval ratings and why?

93. ## algebra

How can you tell from the equation of an ellipse which is the major and minor axis?

94. ## geometry

a deli slicer is used to cut cylindrical blocks of cheese for sandwiches. suppose a customer wants slices of cheese that are round and slices that are rectangular. explain how the cheese can be placed on the slicer to get each shape.

95. ## math

what catastrophe makes your kitten happy?

96. ## history

we are doing this debate. i am on the history team. why is history more important than math, art (lit included), social sciences, natural sciences. and what are those subjects' flaws

97. ## Math

Ok, so my math teacher didn't tell us ways to do this faster, and it's late enough as it is so I don't want to be up all night doing homework. D; *Note: A permutation is where the order matters. A combination is where it doesn't. Find the number of

98. ## Chemistry

An air thermometer can be constructed by using a glass bubble attached to a piece of small-diamter glass tubing. The tubing contains a small amount of colored water that rises when the temperature increases and the trapped air expands. You want a 0.20 cm3

99. ## Chemistry

Cite the three pieces of evidence that caused Rutherford to conclude that the atom had a tiny, positively charged center (nucleus).

100. ## math

how to solve for x in terms of the other variables in this equation?Can anyone please teach?I got no idea...Thanks a lot! 3cx+8d^2=2d(2x+3c)

101. ## Chemistry

why does the value of i (van t' hoff factor) change with regards to theoretical vs. experimental? i'm not quite sure what happens but i know it has to do with ions in the solution. could it be attractive forces between ions?

My teacher provided info about a worksheet of problems. Special Heat of water: 4.184 Special Heat of Steam: 2.09 Special Heat of Ice: 1.8 Based on this info, and the notes we have taken on phase changes, we are supposed to find out how much energy is

103. ## physics #26

How dose the current in the secondary of a transformer compare with the current in the primary when the secondary voltage is twice the primary voltage?

104. ## physics#30

Why dosen't a transformer work with direct current? why is ac required?

105. ## physics#46

We know that the source of a sound wave is a vibrating object. What is the source of an electromagnetic wave?

106. ## geography

does anybody have any ideas on a good website or anything to help me make an outline of like three pages in my geography textbook? its ap and i don't understand it very well. I am supposed to outline the entire chapter and im confused.

107. ## geography

in the 1960's there were nine major auto makers. In 1990 the number rose to nineteen auto makers. Why did more countries start producing aoutmobiles?

108. ## social studies

you would be more likely to see a rose stained glass window in what style of church? a. gothic b. romanesque c. byzantine

109. ## trigonomitry

A pole 7 meters long is placed against a wall at an angle of 45 degrees, what is the height of the wall

111. ## biology

if a cell undergoing meiosis were to be 2n=6 what would that mean?? i really don't understand it

112. ## parenthetical citation

In one of my paragraphs I am using one source. It's an online source about a case. One quote is a quote made from a judge, and the other quote is directly from the author of the article. Do I have to cite the one from the judge, cause it's quoted within

113. ## college algebra

if you have a problem where you are multiplying numbers with exponents (both positive and negative) and your answer ends up with a negative exponent what is the reason you make a fraction out of it and put it on the bottom as a positive? why cant you have

114. ## geoagraphy!!

Wechicles equipped with a high horsepower motor use more fuel more than most motors. What does the federal gonverment impose on these vichiles

115. ## Calculus

How would I integrate (4dt)/(sqrt(15-2t-t^2)) That thing has me stumped.

116. ## MR SUE ASWER THIS GEOGRAPHY QUESTION!

In 1945, at the end of world was II Japan was in economic ruin. Today it rivals in the industrial strength of the united states. Arecent newspaper article compared the employment attitudes of north american and japaneese auto workers. The article suggested

117. ## quick question

In my bibliography I'm writing, would "Artemis" come before "Artemis Greek Goddess", or vice versa?