Questions Asked on
October 26, 2007

  1. College Physics

    A fisherman notices that his boat is moving uo and down periodically, owing to waves on the surface of the water. It takes 2.5 s for the boat to travel from its highest point to its lowest, a total distance of 0.62 m. The fisherman sees that the wave

    asked by Jen
  2. calculus

    An automobile computer gives a digital readout of fuel consumption in gallons per hous. During a trip, a passenger recorded the fuel consumption every 5 minutes for a full hour of travel. time: 0 / gal/h: 2.5 time: 5 / gal/h: 2.4 time: 10 / gal/h: 2.3

    asked by Anonymous
  3. College Physics

    Tarzan spies a 35kg chimpanzee in severe danger, so he swings to the rescue. He adjusts his strong, but very light, vine so that he will first come to rest 4.0 s after beginning his swing, at which time his vine makes a 12 degree angle with the vertical.

    asked by Jen
  4. College Physics

    A certain transverse wave is described by the equation y(x,t) = (6.50 mm)sin2pi((t/0.0360 s)-(x/0.280m)) Determine the wave's (a) amplitude (b) wavelength (c) frequency (d) speed of propagation and (e) direction of propagation

    asked by Jen
  5. Physical Science

    If a 1500 kg car is moving 20.0 m/s is brought to a stop by brakes. How many kilocalories of heat are generated in the process? Please include the formula that I should use to find the answer. -Thanks

    asked by Sarah
  6. Chemistry

    what is the balanced formula equation, complete ionic equation, and net ionic equation FeSO4(aq) + KCl(aq)

    asked by Anonymous
  7. Calc-Based Physics

    The distance between two telephone poles is 50.0 m. When a 1.00-kg bird lands on the telephone wire midway between the poles, the wire sags 0.200 m. Draw a free-body diagram of the bird. How much tension does the bird produce in the wire? Ignore the weight

    asked by Sean
  8. math

    actually, in a addition to the question i posted a few minutes ago, can someone please help me with a few actual specific questions? thanks so much i'm very confused and i've been working on these all day. *Literal Equations* ~solve for x ax + bx = 8ab

    asked by kim
  9. College Physics

    As part of an exercise program, a 75 kg person does toe raises in which he raises his entire body weight on the ball of one foot. The Achilles tendon pulls straight upward on the heel bone of his foot. This tendon is 25 cm long and has a cross sectional

    asked by Jen
  10. algebra homework

    please check my answers. Solve the logarithmic equation. Be sure to reject any value that is not in the domain of the original logarithmic expressions. Give the exact answer. ln sqrt x+6 = 9 i got {e^9-6} log (x + 4) = log (5x - 5) i got: 9/4 log (x + 30)

    asked by Ang
  11. calculus

    Help! I have a test tommorow! I don't understand (b), (c), (e), and (g). The answers are listed following the each question. Here's a discription of the graph: There is a graph of a function f consists of a semi circle (-3 to 1 faced downward on the

    asked by Anonymous
  12. algerbra

    Pick a country of your choice that is experiencing population growth. Using the Library, web resources, and/or other materials to find the most recent population count of the country you have chosen and the population growth rate of that country. Use that

    asked by HELP
  13. Biology

    Why would a washing powder of high pH or low pH be difficult to handle?

    asked by Disney man
  14. Physics

    How do i do this ? ? ? : Suppose you have collected the data shown below for the circuit in Figure 1. Voltage is measured across the resistor. Current is measured through the resistor. The exact value of the resistor is 100 Ω. Figure 1. DESCRIBE THE

    asked by Dick
  15. Physic please help!

    A converging lens has a focal length of 0.060 m. An object is located 0.020 m to the left of this lens. A second converging lens has the same focal length as the first one and is located 0.100 m to the right of it. Relative to the second lens, where is the

    asked by Mary
  16. Geometry

    Which best describes the relationship between the lines with equations -16x+2y=0 and -x-8y=-2? a. neither parallel nor perpendicular b. parallel c. same line d. perpendicular

    asked by alan
  17. Math

    how to estimate with 1-digit divisors

    asked by Angelica
  18. math

    jon spent 1/2 of his study time doing math homework and 2/7 proparing for a history exam. Waht fraction of his study time remains?

    asked by dawn
  19. College Physics

    An object is suspended from a spring and vibrates with simple harmonic motion. At an instant when the displacement of the object is equal to one-half the amplitude, what fraction of the total energy of the system is kinetic and what fraction is potential?

    asked by Jen
  20. Algebra II

    Solve this system using matrices. 3.7x - 2.3y + 4.2z = 8 2.6x + 4.6y - 3.9z = 10 8x + 2z = 20

    asked by JaneLee
  21. Someone said its English... but its geometry

    Use the following statements to answer questions 2 and 3. I. If it is warm out and does not rain, then i will go to the beach. II. If i order strawberry or cookies and craam ice cream then i will be happy. III. If i go to the party, then i will see Fred.

    asked by Haiden
  22. financial mang.

    This is my problem i have to figure out can anyone talk me through this? I don't just want a answer i want to know how you come up withthe answer so i can learn from it. Last year Rattner Robotics had $5 million in operating income (EBIT). The company had

    asked by lois
  23. Algebra-please check my answers

    Solve the equation by expressing each side as a power of the same base and then equating exponents. 9^(x - 9)/8= sqrt of 9 i got 13 4^(x + 10) = 8^(x - 6) i got 38 Solve the exponential equation. Express the solution set in terms of natural logarithms.

    asked by Ang
  24. Logs.

    Can you please help me with the following log. problems? thanxs! Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution. 7^x = 6^(x + 7) this is how far I got: x log 7/x log 7=

    asked by Ang
  25. math/ACT/algebra

    If one side of a triangle is 10 inches long, which of the following could NOT be the lengths, in inches, of the other sides? A. 2 & 9 B. 3 & 5 C. 5& 10 D. 10 & 10 E. 10 & 12 I think it might be B but I don't know and I don't know how to figure the answer..

    asked by Katie
  26. English

    What word fits better in the following sentence: To the __________ of many taxpayers, some citizens seem to cheat the government with impunity. A)perfunctory B)preverse

    asked by Paul
  27. english

    Well our english teacher wants us to create a flyer. Does anyone have any idea how that's done.

    asked by poison
  28. Chemistry - Solutions

    Do all solutes show an increase in solubility with increasing temperature? Explain.

    asked by Dick Rogers
  29. geometry

    Use the following statements to answer questions 2 and 3. I. If it is warm out and does not rain, then i will go to the beach. II. If i order strawberry or cookies and craam ice cream then i will be happy. III. If i go to the party, then i will see Fred.

    asked by Haiden
  30. human services

    How reliable is the TANF with funding programs?

    asked by Anonymous
  31. Art History

    I have to write a research paper on my field trip to the Metropolitan Museum of Art in NY, and discuss 8 items in length that we were meant to find in the museum. The only problem I am having is actually starting the paper, I don't want to just jump into

    asked by Ashley
  32. ECON-one was wrong?

    My prof says only a was right at 100 billion, but b, c, and d were wrong?? I appreciate the help anyway cause she was on vacation. I have posted the answers she got.... 2. The goverment raises taxes by $100 billion. If the marginal propensity to consume is

    asked by greg
  33. math/algebra

    I'm doing ACT prep and I am not sure how to do this problem... f(x) = 3x2(2 hould be subscripted to make it squared) -5 for all real numbers x. What is f(-4)?

    asked by Katie
  34. math/ACT/algebra

    If one side of a triangle is 10 inches long, which of the following could NOT be the lengths, in inches, of the other sides? A. 2 & 9 B. 3 & 5 C. 5& 10 D. 10 & 10 E. 10 & 12 I think it might be B but I don't know and I don't know how to figure the answer..

    asked by Katie
  35. exponential equation-Algebra

    Solve the exponential equation. Express the solution set in terms of natural logarithms. 4^(x + 4) = 5^(2x + 5)-This question I don't understand.

    asked by Ang
  36. Chemistry - Solutions2

    Explain how ammonium chloride, NH4Cl, is able to dissolve in water.

    asked by Dick Rogers
  37. maths

    factorise the following equation 680x3-1407x2-614x+285 where x2 x3 mean x to the power of

    asked by walter
  38. Algebra II

    What are the dimensions of the answer if you multiply a matrix with the dimensions 3 x 0 by a matrix with dimensions 0 x 3?

    asked by JaneLee
  39. geometry

    Which is the slope of a line perpendicular to the line 4x-2y=5?

    asked by alan
  40. Geometry again

    Write the slope-intercept form of the equation of the line passing through the point (5,1) and parallel to the line y=-4x-2.

    asked by alan
  41. geometry

    Write the slope-intercept form of the equation of the line passing through the point (5,1) and parallel to the line y=-4x-2.

    asked by alan
  42. geometry

    Write the slope intercept form of the equation of the line passing through the points (-2,4) and are perpendicular to the line y=-3x+3.

    asked by alan
  43. Earth Science

    Compare the classification of minerals with the classification of rocks.

    asked by Camron
  44. Substitution Method

    Please help me solve: y-x=5 2x-2y=10 & 5X+6y=14 -3y+x=7

    asked by Dawn
  45. Algebra

    Can anyone help with using excel to graph inequalities? I understand the math...just not how to do it on the computer. Thanks!

    asked by Anonymous
  46. S.S.

    Where did the Constitutional Convention meet?

    asked by Rascal
  47. S.S.

    How many Representatives are in Congress?

    asked by Rascal
  48. math.algebra

    I need help with this last math problem i have: Using the properties for radicals to simplify, assuming all variables represent positive real numbers. square root 12x^3/5

    asked by mary
  49. calculus

    Solve for x: S(0 to x) (t^3-2t+3)dt=4 I got a different answer from the back of the book. The back of the book said that x=1.63052 or x=3.09131. How am I suppose to solve this using a calculator?

    asked by Anonymous
  50. Algebra

    Divide using long division or synthetic division. (21x^3 - 7)/(3x - 1) Just wondering, how would you solve this problem using synthetic division?

    asked by Jule
  51. Physics

    If a person jumped off the side of a ship from 20 feet high what speed would they be travelling at when they impact the water? Thanks Mike

    asked by Mike
  52. Vagal Inhibition

    Ref my previous question. The term was used recently on a Sea Survival course I attended. The suggestion was that when a person entered cold water having jumped from a ship and inhaled the cold water due to involuntary gasping reflex they could then succum

    asked by Mike
  53. math

    what does it mean when you are solving an equation, and, the variable that you are trying to solve for cancels itself out?

    asked by kim
  54. physics

    Could someone tell me if this is right? The voltage across a 10-ohm resistor carrying 3 amps must be E=I*R == E=3*10= 30 volts

    asked by bunny
  55. Physics

    This question makes no sense to me. . . A 100-watt lamp glows brighter than a 25-watt lamp. What do you know about the resistances of these two lamps? ???? That they have different watts...thats all I can think of. Physics is not my strong subject.

    asked by Michele
  56. Calculus

    Differentiate each function 34. [(x^2 + x)/(x^2 - x)]^1/2 My answer: [(-2x^2)]/[(x^2 + x)^1/2 * (x^2-x)^3/2] The book's answer is: [(-1)] / [(x-1)^3/2 * (x + 1)^1/2]

    asked by Sarah
  57. Algebra

    Divide using long division or synthetic division. (21x^3 - 7)/(3x - 1) Just wondering, how would you solve this problem using synthetic division?

    asked by Jule
  58. S.S.

    What war won independence for the U.S.?

    asked by Rascal
  59. S.S.

    What was the first government called?

    asked by Rascal
  60. S.S.

    How many states had to approve the Constitution before it passed?

    asked by Rascal
  61. S.S.

    When did the Constitution go into effect?

    asked by Rascal
  62. S.S.

    What are the 6 goals mentioned in the preamble?

    asked by Rascal
  63. S.S. Repost for Brittani

    S.S. - Brittani, Friday, October 26, 2007 at 5:47pm Where are charges for the impeachment made?

    asked by Ms. Sue
  64. religion

    Hi. I handed out a survey for a science class and I had to collect demographics. One of the demographic questions was asking about students' religion. Two students said they were agonists. What is an agonist? Is agonism really a religion? I was looking on

    asked by Charlotte
  65. human resources management

    how emotional and physical aspects of a person’s life can influence the employee’s effectiveness in the work environment

    asked by Lisa
  66. Bio.

    Hi If an enzyme works best at a pH of 7.5 , would this likely to be that it works at a slightely alkaline condition because it has a low teperture and from this it is used in washing powders

    asked by Angelina
  67. science

    How do I write a conclusion for an experiment with three paragraphs???

    asked by Leslie
  68. Biology

    Please can someone explain the term "Vagal Inhibition" Thanks Mike

    asked by Mike
  69. English expression

    1. I applied a kiwi pack on my face. 2. I applied a pack on my face to protect my face. ======================================= Are both sentences correct? Do we have to add 'a' or remove 'a'?

    asked by John
  70. Chemistry - Solutions3

    Why do you think there is such a big difference in the solubility of different solids in water?

    asked by Dick Rogers
  71. cultural iversity

    Which example typifies patrillineal authority? A) In the Gallindo family,the mother makes the majority of the decisions, including how the children should be raised and,when necessary,disciplined. B) The Smith family consist of a mother and a father and

    asked by Rose
  72. human services

    What questions should you ask an agency if you had donated a large sum of money?

    asked by Anonymous
  73. AP US History

    Where can you find sources of the women's movement during the 2nd Great Awakening?

    asked by Jennifer