# Questions Asked onSeptember 3, 2009

1. ## physics

A charge Q is located inside a rectangular box. The electric flux through each of the six surfaces of the box is: Ö1 = +1480 N · m2/C, Ö2 = +2240 N · m2/C, Ö3 = +4220 N · m2/C, Ö4 = -1780 N · m2/C, Ö5 = -3550 N · m2/C, and Ö6 = -5250 N · m2/C.

2. ## Chemistry

In one second light can travel 2.998x10^8m. How many inches does light travel in one femtosecond?

3. ## math

Solve the system 6x+4y = 12 9x+6y = 18 If the system has infinitely many solutions, express your answer in the form x=x and y as a function of x x=? y=?

4. ## math

how do I solve this limit (-> is an arrow meaning "heading towards" lim x-> 2 (x-6)^(2/3)

5. ## physics

A small drop of water is suspended motionless in air by a uniform electric field that is directed upward and has a magnitude of 7840 N/C. The mass of the water drop is 3.84 10-9 kg. (a) Is the excess charge on the water drop positive or negative?

6. ## Physics

The speed limit in a school zone is 40 km/h. A driver traveling at this speed sees a child run into the road 23 m ahead of hs car. He applies the brakes, and the car decelerates at a uniform rate of 8.0m/s^2. if the driver's reaction time is .25s, will the

7. ## Elementary Math

The number of days in the month of July 2) A) Constant B) Variable Is it A.

9. ## psychology

when a child repeats a behavior or action simply to observe that action you would not infer that. the child finds the behavior self reinforcing. b. the stimulation of the action is satisfying. c.the stimulation provided by the action is associated with a

10. ## physics

A small spherical insulator of mass 1.90 10-2 kg and charge +0.600 µC is hung by a thin wire of negligible mass. A charge of −0.900 µC is held 0.150 m away from the sphere and directly to the right of it, so the wire makes an angle è with the

11. ## Physics

An electric vehicle starts from rest and accelerates at a rate of 3.0 m/s2 in a straight line until it reaches a speed of 26 m/s. The vehicle then slows at a constant rate of 1.0 m/s2 until it stops. a)How much time elapses from start to stop? b)How far

12. ## physics

The head of a rattlesnake can accelerate 50 m/s2 in striking a victim. If a car could do as well, how long would it take to reach a speed of 78 km/h from rest?

13. ## Physics

A bullet traveiling horizontally at aspeed of 350 m/!@#\$%^&s a board perpendicular to the surface, passes through it, and emerges on the side at a speed of 210m/s. if the board is 4.oo cm thick, how long does the bullet take to pass through it?

name each number in two different ways 90,000,000 40,000

15. ## science

an experiment where only one variable is changed and all others are kept constant down

16. ## health care

How do regulatory issues affect the supply and demand of health care?

17. ## Literature

Contrasting "The Road Not Taken" and "Stoppinb by Woods on a Snowy Evening"....help

18. ## Science

1.Bacteria that live where most other organisms cannot live belong to the kingdom____________. a)Eubacteria b)Archaebacteria 2.Algae and ameba belong to the____________kingdom. a)plant b)protist I forgot my Science book in school and need help with last

19. ## writing

How do you include songs in a sentence: Punctuation for the following: It seems only yesterday that she was a little girl in pigtails reciting Mary Mary Quite Contrary and sining Ill never forget it The Farmer in the dell in a funny high squeaky baby

8x+11x=114

21. ## US History

I was looking up the definition for pilgrim and all I found were things saying: a pilgramage for religious reasons. I want the correct definition for a 1600 pilgrim. Would "those who settled in Plymouth, New England" be correct?

22. ## Chemistry

In gas chromatography, what would be the order of the retention times for your mixture (hexane and toluene)? What is the basis for your answer?

23. ## physics

Two identical small insulating balls are suspended by separate 0.23-m threads that are attached to a common point on the ceiling. Each ball has a mass of 8.70 10-4 kg. Initially the balls are uncharged and hang straight down. They are then given identical

24. ## physics

A small plastic ball with a mass of 7.00 10-3 kg and with a charge of +0.162 µC is suspended from an insulating thread and hangs between the plates of a capacitor (see the drawing). The ball is in equilibrium, with the thread making an angle of 30.0°

25. ## math

what is the decimal place value for 7.81 with 8 being underlined

26. ## Math

compare to 1/2 to tell which fraction is greater 8/17 , 13/23

27. ## math

what does a line above pq mean

28. ## World History

What were 4 tatics that the ancient Assyrians used to control their empire? I know one is the battering ram because they used that in battle and so people feared them but I can't think of others... Thanks in advance:)

29. ## English

my son has vocabulary words using in sentences, I don't understand these word and their meanings, please, make a sentences using these words please 1. enthusiastic 2. assure 3. peculiar 4. pastel 5. translation 6. insisted

30. ## Physics

A 20.0 kg box rests on a table. what is the weight of the box and the normal force acting on it? A 10.0 kg box is set on top of the 20.0kg box. Determine the normal force that the table exerts on the 20.0kg box and the normal force that the 20.0kg box

31. ## MATH

Solve the equation algebraically for x where 0

32. ## Science

What is the effect of placing an object with a greater density than water in a bucket of water?

33. ## Algebra

When solving a rational equation, why is it necessary to perform a check?

n +37 if n is 16

What is the effect of placing an object with a greater density than water in a bucket of water?

waht is used to mix substances, like a spoon, is two words?

37. ## Math

Find the sum of all n exterior angles of a n-sided convex polygon, where n is any positive integer larger than 3. Show all the working details and reasons. I already know that the total is 360 degrees, but how would I use mathematical proof to figure it

38. ## English

1. I don't like to eat junk food. (Is 'junk' waste? What kinds of food are junk food? Would you name them, please?) 2. He is famous for poetry. 3. He is well-known for kindness. 4. He is noted for wealthy. 5. He is notorious for cruelty. (Are they all

39. ## science

what are the challenges of manging your chosen terrestial resource issue?

help me get the answer that = 2 but you haave toput the right signs so it gets that number here are the numbers 17 25 30 3

41. ## science

What are the differences and likes of vascular and nonvascular plants

42. ## English

1. It's late. You had better go to bed now. (In #1, what does 'It' refer to? Does it refer to 'The time'?) 2. Choose the things which you want to give advice to your partner about, and talk with your partner. 3. When you give advice to the other person,

43. ## Precalculus

Write the simplest polynomial equation with real coefficients having roots -i and 4. I have noooooo idea how to even start this one :( I thought you could start backwards with synthetic substitution but it didn't work. Any help on this is greatly

44. ## physics B

A block is given n intial speed of 3.0 s^-1 m up the 22.0 degree plane (a) How far up the plane will it go? (b) How mcuh time elapses before it returns to its starting point? Assume Mu k = 0.17 for (a) a = - (Mu k g cos theta + g sin theta) I got - 5.23

Can you help me summarize this article in 2 paragraphs? Ny times website ome mans trash please can you search it and help?

46. ## algebra 1

Blue prints allow an area of 20,000 square feet for the playground. the width of the rectangular playground is 80 feet less than its length and its perimeter is 640 freet. what is the length of the playground?

round each number to tje place value 195,219

48. ## Math

A cylinder has a diameter of 6 ft and a height of 3 ft. Find its surface area and volume.

49. ## physical science

I was given a diagram in the shape of an "L"-looks like a block letter L--around the perimeter are the numbers 2, 1, 1, 1, 1, and 2. It says divide this diagram of a piece of land into four lots that are the same size and shape. I have been trying since

50. ## music

test 00761500

51. ## Math

What are the 6 parent functions? Describe their graphs.

52. ## english

hey i am haveing sooooo much trouble with speech writing iv tried and re-writen it so many times. can u help me write a speech on faceing a big challenge. the challenge i was going to use was singing on stage.

53. ## Physics

(a) If the maximum acceleration that is tolerable for passengers in a subway train is 1.52 m/s2 and subway stations are located 1030 m apart, what is the maximum speed a subway train can attain between stations? b)what is the travel time between stations?

54. ## MATH

FACTOR THE EXPRESSION COMPLETELY 9x^3 + 36x^2 - x - 4

55. ## physics

what is the equal and opposite force the force of friction like if a block is at rest on a table static friction is stil exerted by the table onto the block keeping it from moving what is the equal and opposite force of this force?

56. ## Geometry

The product of two numbers is 30. One of the numbers is r. What is the other number?

57. ## Economics

During a year of operation, a firm collects \$450,000 in revenue and spends \$100,000 on labor expense, raw materials, rent, and utilities. The firm's owner has provided \$750,000 of her own money instead of investing the money and earning a 10% annual rate

58. ## geometry

Diagonals of an isoseles trapezoid are perpendicular always,sometimes,or never.

59. ## economic

b) What is the estimated number of cans of tennis balls demanded?

60. ## SCI/230

Describe biological interrelationships among the life forms in Mana's Wildlife Sancutary in India.

61. ## writing sentences and paragaphs

prewrite about your field of study and create specefic job for which might want to apply at particular business

How many unit volume cubes of 1cm squared will fit into a 3cm x 4cmx 10cm shape?

63. ## Economucs

what does the narrative of sojoumer truth take place

65. ## Earth Science

How many liters in 1000cm squared...I just don't get it?

66. ## Math

Factorize completely 2y squared -11y +15

67. ## socialstudies

what is reading goal mean to you ?

68. ## Physics

A red car and a green car, identical except for the color, move toward each other in adjacent lanes and parallel to an x axis. At time t = 0, the red car is at xr = 0 and the green car is at xg = 220 m. If the red car has a constant velocity of +20 km/h,

69. ## Literature

I need to make a fake letter from Roger [in Langston H's short story Thank You Ma'am] and for that I need to create a fake adress. I need help with this; I looked at the setting described but I'm still stuck. Thanks -MC

70. ## literature

Just as My Àntonia’s setting is initially raw and featureless, its narrative at first seems haphazard: “I didn’t arrange or rearrange. I simply wrote down what of herself and myself and other people’s, Antonia’s name recalls to me. I suppose it

71. ## Calculus

Using the first of these limits, find f'(3) if f(x)=4x^2+4x-2

72. ## Geography

Can someone please check of my answers are correct? 16. Although most of South America lies within the tropical latitudes a. climate and vegetation differ greatly in the region b. cold ocean currents keep the air cool and dry c. there is little tropical

73. ## Math

Solve the equation algebraically for x where 0

74. ## Calculus

Find the average value of the function on the given interval: f(x) = e^x/5, [0,5]

75. ## physics

Four point charges have the same magnitude of 2.62 10-12 C and are fixed to the corners of a square that is 3.80 cm on a side. Three of the charges are positive and one is negative. Determine the magnitude of the net electric field that exists at the

math..need to find out how to write an array for homework

77. ## physics

A small plastic ball with a mass of 7.00 10-3 kg and with a charge of +0.162 µC is suspended from an insulating thread and hangs between the plates of a capacitor (see the drawing). The ball is in equilibrium, with the thread making an angle of 30.0°

78. ## Solving Inequalities?

Ive been having problems with this soo... My first problem is this: Solve 2x-4(x+2)-6 < 0 Can someone help me step-by-step figure this out so i can at least finish the ones that are similiar to this one? Thankies

79. ## math

3x+2y = 0 x-2y = 0 If the system has infinitely many solutions, express your answer in the form x=x and y as a function of x Your answer is x=? y=?

80. ## physical science

I must divide a block-letter shaped L diagram of a piece of land into four lots that are the same size and shape. The perimeter has one number next to each of the 6 sides. The numbers are (clockwise, beginning at the top) 1, 1, 1, 1, 2, 2. Can you help me

81. ## English

1. This is a piece of cloth or other material, which you wear over your face. (Is this one correct? Is 'other material' correct?) 2. If I catch some fish, I won't be hungry. 2-2. If I catch any fish, I won't be hungry. (Which one is correct, some or any?

82. ## algebraaaa

A baker needs between 40lb and 50 lb of a sugar mixture that contains ten times as much flour as sugar. what are the possible weights of flour the baker can use

83. ## English

Need some feedback if this works as a summary. Thank you. In “Power of Images: Creating the Myths of Our Time,” J. Francis Davis believes communication by images with its voluminous exposure and alluring advertisements, has overpowered what can be

84. ## Trig Math

Solve the equation algebraically for x wohere 0

85. ## ACCOUNTING CONFUSED!! HELP

Andy Wright,D.D.S., opened a dental practice on January 1, 2008. During the first month of operations the following transactions occurred. 1. Performed services for patients who had dental plan insurance. At January 31, \$875 of such services was earned but

86. ## college: social work

Please help me come up with an operational concept definition for class participation, and then develop a "group" definition via consensus decision. Response needed in 24 hours. Thanks.

15/214

88. ## Literature

Can someone please check if my answers are correct? 5. Which of the following statements about Mrs. Jones from "Thank you Ma'am" is true? a. She is able to forgive Roger b. She wants Roger to be her son c. She thinks Roger should earn money for shoes d.

89. ## Math 117

A bank teller has some five-dollar bills and some twenty-dollar bills. The teller has 10 more of the twenties. The total value of the money is \$850. Find the number of five-dollar bills that the teller has?

90. ## college math

Give the equation of the line that is perpendicular to the line y = x + 4 and passes through point (0,-1). A) y = x - 1 B) y = x + 1 C) y = -x + 1 D) y = -x - 1 So if passes through point o,-1 does that mean that the answer has to be negative? Answer A

91. ## French

"Charles est un grand homme" means "Charles is a great man," whereas "Charles est un homme grand" means "Charles is a tall man," correct? Merci beaucoup!

92. ## English

1. A person is drifting on a deserted island. Change this person's thoughts into other words and say them to your friend. 2. The following are about some conditions. Fill in the blanks, and then say as in the example. 3. Think of your life habits which you

93. ## Geometry

Find the slope of the line through the given points(4, -8) and (5, -8) A)-16/9 B)0 C)-16 D) No slope b

94. ## English

1. I am late for school from time to time. I will come to school earlier. I will come to school on time. 2. I don't exercise regularly. I will take exercise regularly. I will exercise at times. 3. I don't help Mother clean the house. I will help her clean

95. ## algebra review

find the y-intercept of a line that passes through (2,1) and has a slope of -5. i forgot what equation i have to use to find this out. can someone give me which equation i have to use? or all the equations that deal with slopes please

96. ## math

Find the representation of the number 256 in the following bases: a. base six b. base twelve c. base two I get how to write the number of objects as a base(whatever), but I think this is asking me to start from the end number and work backwards. I really

97. ## accounting help

IN 2008, Variman, Incorportated had Gross Accounts receivable of \$2,366,420 and management estimated the Allowance for Doubtful accounts to be \$243,520. Compute the ratio of Allowance of Doubtful accounts to Net Accounts receivable for Variman, Inc. for

98. ## Chemistry

Spanish mahogany has a density of 53lb/ft^3. What is the approximate weight (in pounds) of a piece of mahogany that measured 10in x 12in x 14in?

99. ## math

s/a=4.5,D/A=4.5, N/E =.80 & A=D+Emsolve for N/S

100. ## French

Could you please check these thanks. Directions: Donnez des réponses personnelles. 1. Tu pars pour l'école à quelle heure le matin? Answer: Je pars pour l'école à sept heure. 2. Tu sors de la maison à quelle heure le matin? Answer: Je sors de la

101. ## science

whats is an organized plan to solve problems

102. ## Materials / Physics

Find the force required to permanently deform (stretch such that it snaps back to >0.2% longer than original length) a .04 m diameter bar if YS = 1000 MPa.

103. ## science

what is 25 science careers with their definitions

104. ## english

-In light of 9/11, do you think Americans should trade off some of their civil liberties? -Do you think that the right of free speech can or should be traded off to reduce violence in America? -What is free speech? What is symbolic speech? Can you yell

105. ## algebra

i need help with linear equations...HELP

106. ## World History

What did the Egyptians use to stuff the nostrils during The Mummification Process?

107. ## physics

A jumbo jet must reach a speed of 360 km/h on the runway for takeoff. What is the least constant acceleration needed for takeoff from a 1.80 km runway?

108. ## science

information obtained by the five senses

109. ## physics

An object falls from height h from rest and travels 0.45h in the last 1.00 s. (a) Find the time of its fall. (b) Find the height of its fall. I've tried multiple times but I cannot get the correct answer.

110. ## Science

Suppose you are testing the boiling temperatures of several liquids. How would you use numbers during your investigation?

111. ## math

Ok. So I have a game board with my homework and the numbers are 1,2,3,4,5,6,7,8,9,10,12,14,15,16,18,20,21,24,25,27,28,30,32,35,36,40,42,45,48,49,54,56,63,64,72, and 81. And the uestion is List 5 multiples of 3 that are not on the game board. Can you help.

112. ## Science (Physics)

A red car and a green car, identical except for the color, move toward each other in adjacent lanes and parallel to an x axis. At time t = 0, the red car is at xr = 0 and the green car is at xg = 220 m. If the red car has a constant velocity of +20 km/h,

113. ## algebra review!

it says write the equation of the vertical line that passes through the point (7,-3). what do i need to start it off? find the equation for the line with undefined slope and passing through the point (-1,-2). what do i need to start that off? what equation

114. ## math

can someone please explain this problem? (-> is an arrow) assume that limit x-> 4 f(x)=0 and limit x-> 4 g(x)=3 1. limit x-> 4 (g(x)+3