Questions Asked on
August 21, 2010

  1. General Physics

    During heavy rain, a section of a mountainside measuring 2.5 km horizontally, 0.80 km up along the slope, and 2.0m deep slips into a valley in a mud slide. Assume that the mud ends up uniformly distributed over a surface area of the valley measuring 0.40km

    asked by Mike
  2. PHYSICAL SCIENCE

    A 30 KG GIRL AND A 25 KG BOY FACE EACH OTHER ON FRICTION-FREE ROLLER BLADES. THE GIRL PUSHES THE BOY, WHO MOVES AWAY AT A SPEED OF 1.0 M/S. THE GIRLS SPEED IS?

    asked by JACQUELYNNE
  3. physics

    A speeding car is pulling away from a police car. The police car is moving at 30 m/s. The radar gun in the police car emits an electromagnetic wave with a frequency of 20.0 x 10^9 Hz. The wave reflects from the speeding car and returns to the police car

    asked by Liz
  4. english

    i need a "baptism" scene in literature and how the character was changed after. thank you so much

    asked by Sam
  5. Science

    An area in your state has been flooded due to heavy rains. How might scientists from the three main branches of science interact in their study of the flood, its effects, and how future flooding might be controlled? Life science, Earth science, and

    asked by Jenny
  6. physics please help

    A rocket, initially at rest on the ground, accelerates straight upward with a constant acceleration of 29.4 . The rocket accelerates for a period of 10.0 before exhausting its fuel. The rocket continues its ascent until its motion is halted by gravity. The

    asked by Anonymous
  7. English - Thesis Statement on Life of Pi

    a) how is life of pi a story within a story within story? ( i know the first part a story within a story, but the other within the story, i am confused) b) i am going to write an essay about story telling on Life of Pi by Yann Martel and so far have ideas

    asked by Shaila
  8. refraction and snells law

    problem;what a fused quartz n=146 make angle 45 degree with normal line enter unknown material ligth ray refracted make a angle of 22 degree find index of unknown material. write a equation for problem ,using snells law and information given in the problem

    asked by grady
  9. Physics 221

    Hydraulic engineers in the United States often use, as a unit of volume of water, the acre-foot, defined as the volume of water that will cover 1 acre of land to depth of 1 ft.(feet) A severe thunderstorm dumped 2.0in. (inches) of rain in 30 minutes on a

    asked by James
  10. Math

    Write each equation in standard form. 1.y-3=-2.4(x-5) -The answer I got was 2.4x + y = 15. Could someone please check my answer and tell me how to solve it if it wrong? Thanks

    asked by Shadow
  11. Physics 1112 Electric charge

    As shown in the figure, a square has sides of 8.0 cm with a charge of +6.0 µC at one corner (a) and with charges of -2.0 µC at the remaining three corners (b, c, and d). The figure is just a square with no measurements. Corner a being the top left

    asked by Sar
  12. honors english

    when muff potter is falsely accused of murder ,tom sawyer and huckleberry finn consider telling what really happened. what dissuades them?

    asked by Anonymous
  13. college business

    Heino Inc. hired you as a consultant to help them estimate their cost of capital. You have been provided with the following data: rRF = 5.0%; MRP = 5.0%; and b = 1.1. Based on the CAPM approach, what is the cost of equity from retained earnings?

    asked by tricica
  14. jewelry markings

    I have a ring that appears to be gold plate over silver with the markings COP copyright 89 5. Can you tell me what this means ?

    asked by mark
  15. science

    If a blue eyed mother, bb, and a blue-eyed father, bb, had children, what percentage of their offspring would have brown eyes?

    asked by Anonymous
  16. Business Research

    select one online source that would be suitable to use as reference for a research paper, a source that you would consider reliable and accurate. What is a good research topic within the business field?

    asked by Kat
  17. Physics - banked curves

    On a highway, why are sharp turns banked more steeply than gentle turns?

    asked by Shaila
  18. Science

    If I have radiolabeled Carbon and I put it in Carbon Dioxide in a greenhouse, where will the carbon go? Where will it end up?

    asked by Anonymous
  19. AP european history

    I'm writing a paper comparing and contrasting the government , art, and religion of ancient Greece, Rome, and the Middle ages and I have no idea how to even get started. Please help!

    asked by Elizabeth
  20. CHEMISTRY

    1.Chemistry Question: A 0.1 M solution of acetic acid is titrated with 0.05M solution of NaOH. What is the pH when 60% of the acid has been neutralized? The equilibrium constant (Ka) for acetic acid is 1.8x10^-5 2. Chemistry question: On average, how far

    asked by Gerald
  21. Business

    Give an example of when you made an important decision related to school, work, or a business transaction. What elements of critical thinking did you use? How might you improve your decision-making strategies in the future?

    asked by Barney
  22. college business

    Assume that you are a consultant to Morton Inc., and you have been provided with the following data: D1 = $1.00; P0 = $25.00; and g = 6% (constant). What is the cost of equity from retained earnings based on the DCF approach?

    asked by tricica
  23. US History

    For this quote " We hold these truths to be self-evident: that all men are created equal." 1) When? July 4, 1776 or just 1776 2) In what context was it used? Declaration of Independence 3) Was this quote aimed at King George III OR Britain. 4) What would

    asked by Amy~
  24. math

    Find the equation of the tangent line to the curve y=6tanx at the point (pi/4,6). The equation of this tangent line can be written in the form y=mx+b where m is: and where b is:

    asked by kwack
  25. physics

    A body is thrown vertically upward from the top of the cliff 50m high. Has the body reaches the ground in 10. What is the initial velocity of body?

    asked by Anonymous
  26. Statistics

    63.4 65.0 64.4 63.3 54.8 64.5 60.8 49.1 51.0 Assume that these observations are an SRS from the late Cretaceous atmosphere. What is the mean percent of nitrogen in ancient air with a 90% confidence level? Hint: uses one-sample t confidence

    asked by Dawn
  27. Math- Completely confused!

    Simplify each expression (where possible) and write the answer without using negative or fractional exponents. Assume that X>0. a. 8x^(1/3) b. (-8x)^(1/3) c. (8x)^(-1/3) d. (3x^(3/4))(16x)^(1/4) e. (x^(1/2)) / (x^(5/2) so far my answers are : a.2x b. -2x

    asked by Jackie
  28. ALGEBRA

    Landscape Design Landscape designers often use coordinate geometry and algebra as they help their clients. In many regions, landscape design is a growing field. With the increasing popularity of do-it-yourself television shows, many homeowners are becoming

    asked by Julia
  29. Math

    find the slope and y intercept y = - 6/7x - 4/3

    asked by Norma
  30. college business

    A company’s perpetual preferred stock currently trades at $80 per share and pays a $6.00 annual dividend per share. If the company were to sell a new preferred issue, it would incur a flotation cost of 4%. What would the cost of that capital be?

    asked by tricica
  31. Chemistry

    What is the freezing point of a solution made by dissolving 450 g of ethylene glycol (C2H6O2) in 550 g of water? The freezing point of pure water is 0.0ºC and Kf of pure water is -1.86ºC/m.

    asked by Cecilia
  32. mat 115 week 8

    Please help me with this math problem. I don't know if I am doing this correctly. -21 - (-9) __________ -21 - (-21) Am I correct in answering this problem correctly? -12 ____ = -12 0 If not can you help me with the right answer? Thanks kindly

    asked by adore001
  33. archeology

    I have a number of questions.Please answer as many as possible according to your expertise. 1.I have seen for sale fossils of ginger and garlic in an antiquity shop.They look like ginger/garlic but is rock hard. The price is about $8 each,which seems to be

    asked by hidayah
  34. physics

    A body is thrown vertically upward from the top of the cliff 50m high. Has the body reaches the ground in 10. What is the initial velocity of body?

    asked by Anonymous
  35. Chemistry

    What is the freezing point of an aqueous 2.65 m calcium chloride (CaCl2) solution? The freezing point of pure water is 0.0ºC and Kf of pure water is -1.86ºC/m.

    asked by David
  36. MATH

    Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 40 miles per hour and train B is traveling at 60 miles per hour. Train A passes a station at 8:20pm. If train B passes at the same station at 8:35 p.m at what

    asked by Anonymous
  37. Physics - rojectile Motion (check pls)

    Imagine that you are solving a problem in projectile motion in which you are asked to find the time at which a projectile reaches a certain vertical position. when you solve the problem you find out two different positive values for time that both satisfy

    asked by Shaila
  38. Physics - Uniform circular motion

    If you were swingin a ball on a string around in a circle in a vertical plane, at what point in the path would the string be the most likelt to break? Explain why In what direction would the ball fly when the string broke?

    asked by Shaila
  39. Cultural Diversity

    what year did Harriet Tubman help develope the Underground RailRoad?

    asked by michelle
  40. college

    suppose you have samples of two metals,A and B. Use the data below to determine which sample occupies the largest volume.. A> mass 25g density 10 g/ml B> mass 65g density 4.0 g/ml

    asked by Monica
  41. science

    Why do scientists study genes to understand cancer?

    asked by Anonymous
  42. business

    Delegation is the assignment of new or additional responsibilities to a subordinate. When done correctly, the individuals involved know exactly what they are to do, and the chances for success are maximized. Refer to the unit readings in the textbook

    asked by sarah
  43. science

    If I had bacteria that were asexual and bacteria that were sexual in a pond- which would be most likely to survive disease and why?

    asked by Anonymous
  44. math

    If the area of the parallelogram ABCD is 4 square feet and OP"=5OP, what is the area of the parallelogram A"B"C"D"?

    asked by Anonymous
  45. statistics

    Use the list of random numbers given below to simulate the outcomes of tossing a quarter 11 times. Assume that the quarter is balanced (i.e., fair) and an even digit is assigned to the outcome heads (H) and an odd digit to the outcome tails (T). 9 1 9 7 2

    asked by Anonymous
  46. geography

    what are network regions (please go into detail)

    asked by Anonymous
  47. history

    . Compare and contrast the British and the American conduct of the war. How did each side propose to “win,” how realistic was its assessment of the situation, and how did this prewar assessment influence the ultimate outcome of the war?

    asked by Anonymous
  48. MTH 157

    I need help on these two questions. 1. Describe what happens to the three points of concurrency that determine the Euller lines when the triangle is (a) isosceles, (b) equilateral 2. Which of the following triples of numbers can be the sides of a right

    asked by Rayna
  49. 7th grade math

    Telephone calls travel through optical fibers at the speed of light, which is 186,000 miles per second. A millisecond is 0.001 of a second. How far can your voice travel over an optical line in 1 millisecond?

    asked by Melea
  50. english

    IF THE WORD IS GGORL WASLHINGTON,AND WHENEVER CONSONANTS H,N,G,APPEAR TOGETHER CHANGE THERE ORDER SO THAT THE FIRST CONSONANT BECOMES THE LAST, ONE IN THE MIDDLE BECOMES THE FIRST AND THE LAST THE MIDDLE.

    asked by chris
  51. Econ

    Why do revolutions only took place in the Third World and not First world countries?

    asked by John
  52. MATH

    1. Let triangle ABC be a triangle such that angle ACB is 135 degrees. Prove that AB^2 = AC^2 + BC^2 - (Root 2) x AC x BC 2. Simplify: 2/1! - 3/2! + 4/3! - 5/4! + ..... + 2010/2009! - 2011/2010! Where k! is the multiplication of all numbers up to k (e.g. 5!

    asked by Gerald
  53. simple math

    if i simplify 8x^(1/3) the answer will be 2x ,correct?

    asked by Katy
  54. Chemistry/Math

    If a doctor tells you to drink 1 liter of water per day, answer the following questions(assuming the density of water to be 1g/mL): 1. The number of grams of water per day? 2.The number of molecules of oxygen per day? 3. The number of atoms of oxygen per

    asked by jahil
  55. Physics - maximum height of the projectile motion

    Suppose you knew the maximum height reached by a proejctile. Could you find its launch angle from this information alone? If not, what additional information would be required? (No it is not enough, the initial velocity? i also think yes because the

    asked by Shaila
  56. Cultural Diversity

    What years did Sojourner Truth help free slaves and become visible in the fight against slavery through her speeches and publications?

    asked by michelle
  57. 340 Special Populations

    Which has a greater influence on a person’s health: individual choices and actions (micro perspective) or community policies and resource availability (macro perspective)? Discuss three reasons why you selected one over the other. Your initial post

    asked by Deann Morgan
  58. science

    If I have a bug that is eating only light roses, what eventually will happen to the roses?

    asked by Anonymous
  59. Chemistry

    What concentration of aqueous CaCl2 solution freezes at -10.2ºC? The freezing point of pure water is 0.0ºC and Kf of pure water is -1.86ºC/m. A. 5.48 m B. 11.0 m C. 1.83 m D. 6.12 m E. 2.74 m

    asked by Michelle
  60. U.S. history - 2000s

    For elementary or middle school students around the United States, do they learn about the events of 9/11 in the later grades?

    asked by AL 92
  61. biology

    discuss the similarities and differences between respiration, defecation and the formation of urine with regard to waste disposal. I can only come up with one in each category!

    asked by kyle
  62. phycis

    Can we replenish the fossil fuels?

    asked by Anonymous
  63. Physics - Uniform circular motion

    What type of acceleration is associated with uniform circular motion?

    asked by Shaila
  64. Math

    if you simplify(8x)^(-1/3) it is 1/2x right? also how do i solve (3x^(3/4))(16x)^(1/4) ? Thank you!

    asked by Amerie
  65. biology

    I need a general principle found to be consistent through the following systems so I can describe the beneficil aspect of it for each system: muscles, the circulatory system, the respiratory system, the kidneys, and digestion. I find something and then

    asked by ryan
  66. Geography

    I need some information on movement from the five themes of geography. Very detailed information that I can use to write a 350 word paper on it

    asked by Anonymous
  67. medical information management

    smolking and drinking would be included in the history

    asked by shaeequa bolden
  68. Chemistry

    The solute molecules mixed with the solvent molecules in a solution cause the freezing point of a solution to be ______ than it is for an equal volume of pure _________.

    asked by Cecilia
  69. u.s. history

    i need help what the three-fifths compromise

    asked by bella
  70. algebra

    If you write a check without enough money in the bank a certain store will charge you a penalty if the check is returned to them from the bank. The penalty is 15% of the amount of the check plus a $25 processing fee. Let the "n" amount of the check and the

    asked by Anonymous
  71. Math

    how do you simplify (8-(ã-36)) / 4 and express it in a+bi format? Please help!

    asked by Sam
  72. math

    If BC=2, AB=2 and B'C'=4 then compute A'B' the picture is a box starting lower left, the letters go A',B',C',P' clockwise. Then there are lines that go down to form a tip. In the middle going down those lines its just A,B,C,P. Then where it meets at the

    asked by Anonymous
  73. math

    If you want to construct a Star-shaped Polygon with 6 points with point angles of 30degrees, what should be the dent angle?

    asked by Anonymous
  74. math

    if you want a dent angle of 90degrees how much should be the point angle?

    asked by Anonymous
  75. math

    if BC = 2AB, then compute B'C'/A'B'

    asked by Anonymous
  76. science

    If a disease is X linked, how it is possible that a father with the disease would not pass it down to his children?

    asked by Anonymous
  77. english

    Write your own journal entry from the perspective of a member of Bradford's colony. What do you think of these unruly pirates? What shocks you the most about these surly characters? How do the manners of the pirates differ from yours? Visit the Calvinism

    asked by corey
  78. Math

    What are the intercepts of F(x)=x^3-2x-6 and how do you find the answer? HELP!

    asked by Alison
  79. math

    what is the role of derrivatives in the subjects other than mathematics.

    asked by jack
  80. math help!

    how do you simplify (8-(sqrt-36)) / 4 and express it in a+bi format? thanks

    asked by Jen
  81. Science

    How does a cell gets its nutrients?

    asked by Blake
  82. English - Book Choice

    Can anyone suggest names of books which include friendship between two women, or a book written by an American African.

    asked by Shaila
  83. Environmental health

    Is it true or false that risk to a population group is generally expressed as the likelihood of an event happening?

    asked by rachel
  84. Algebra

    I have some understanding of this but not quite sure how to do the problem. Direction & problem below. Direction: Tell whether whole numbers, integers, or rational numbers are the most reasonable to describe each. Explain your answer. Problem: body

    asked by David
  85. alge

    What square root property is essential to solve any radical equation involving radicals?

    asked by shelly
  86. Physics - Range of projectile motion

    What properties of projectile motion must you apply when deriving an equation for the range of a projectile? (is it the trignometric identity??)

    asked by Shaila
  87. Econ

    what are some of the main reasons there were Marxist revolutions in the past?

    asked by John
  88. Physics - Centrifugal force

    A centrifugal force, if it existed, would be directed raidally outward from the centre of the circle during a circular motion. Explain why it feels as though you are being thrown outward when you are riding on an amusment park ride that causes you to spin

    asked by Shaila
  89. Chemistry

    In general, what are the conditions required for Schiff's Base to polymerise?

    asked by Alan
  90. Physics - Gravitational force

    Find the gravitational force between earth and the sun. I am using the formula Fg = (G*m1*m2)/(r^2) where G = 6.67*10^-11 m1 = 6.0*10^24kg m2 = 2.0*10^30kg r = should i use the sun's radius or the earths (Rearth = 6.38*10^6; Rsun = 6.96*10^8) either way i

    asked by Shaila
  91. human services

    Choose a human services client from a particular background· Describe the clients background, including age, gender, racial or ethnic status · Identify the clients presenting issue · Create a case scenario for this client · Write a 1,000- to 1,250-word

    asked by patiance