Questions Asked on
June 11, 2010

  1. Physics

    A 22 cm diameter bowling ball has a terminal speed of 85 m/s. What is the ball's mass?

    asked by Kara
  2. chemistry

    What mass of chromium could be deposited by electrolysis of an aqueous solution of Cr2(SO4)3 for 180.0 minutes using a constant current of 10.0 amperes? (One faraday = 96,500 coulombs.)

    asked by ill matic
  3. math/Probability

    what is the probability of rolling a sum that exceeds 4 with two dice

    asked by anna
  4. physics

    A solid uniform 45.0 kg ball of diameter 32.0 cm is supported against a vertical frictionless wall using a thin 30 cm wire of negligible mass. (a) make a free body diagram for the ball and use it to find the tension in the wire and (b) how hard does the

    asked by L
  5. physics

    Five boys are pushing on a snowball, and each is pushing with a force of 20.0 N. However, each boy is pushing in a different direction. They are pushing north, northeast, east, southeast, and south. (Each boy is pushing at an angle of 45.0° relative to

    asked by anonymous
  6. Chemistry

    What is the equation for the synthesis of isopropyl butanoate from isopropanol and butanoic acid

    asked by Mary
  7. physics

    A baseball leaves the bat with a speed of 44.0 m/s and an angle of 30.0 above the horizontal. A 10.0-m-high fence is located at a horizontal distance of 132 m from the point where the ball is struck. Assuming the ball leaves the bat 1.0 m above ground

    asked by Anonymous
  8. physics

    A ball is rolled horizontally off a table with an initial speed of 4.0 m/s. A stopwatch measures the ball's trajectory time from table to the floor to be 0.34 s. What is the height of the table? (g = 9.8 m/s2 and air resistance is negligible) A) 0.11 m B)

    asked by anonymous
  9. physics

    A runner circles a track of radius 50 m in 50 s moving at a constant rate. If the runner was initially moving north, what has been the runner's average acceleration when halfway around the track?

    asked by anonymous
  10. Chemistry

    How much energy (in kilojoules) is released when 26.5 of ethanol vapor at 86.0 is cooled to -12.0? Ethanol has = -114.5 , = 78.4 , = 38.56 and = 4.60 . The molar heat capacity is 113 for the liquid and 65.7 for the vapor

    asked by Deborah
  11. LITERATURE

    Which of the words printed in italics in the following sentences is most likely to convey a denotative meaning?

    asked by G
  12. Physical Science

    The acceleration due to gravity is about 10 m/s2 at the Earth's surface. What is the acceleration due to gravity for a person on the space station orbiting 200 miles above the Earth's surface?

    asked by Danielle
  13. math

    An accountant earns 3,440 per month after receiving a 5.5% raise. What was the accountants monthly income before the raise. round to nearest cent.

    asked by jerson
  14. statistics

    Women’s heights are normally distributed with a mean of 63.6 in and a sd of 2 .5in. The US Army requires women’s heights to be between 58 in and 80 in. Find the percentage of women meeting that height requirement.

    asked by DezShonna K
  15. Physics HELP!

    An airplane is flying North with a velocity of 22 m/s. A strong wind is blowing East at 50 m/s. What is the airplane's resultant velocity (magnitude and direction)?

    asked by Desirae
  16. Chemistry

    What is the molality of an aqueous solution of sucrose that freezes at -3.00 °C? The freezing point lowering constant for water is -1.86 °C/molal. 0.62 molal 1.62 molal 2.37 molal 5.58 molal

    asked by amanda
  17. Finance

    Describe a work-related situation you feel could be improved. For example, you want to streamline the process for reimbursing employees, or you want to create a high-tech website for your small business but have no experience in programming or graphic

    asked by mee
  18. Physics

    24. In a 2-dimensional Cartesian system, the y-component of a vector is known, and the angle between vector and x-axis is known. Which operation is used to calculate the magnitude of the vector? (taken with respect to the y-component)

    asked by anonymous
  19. Chemistry

    A balloon is filled to a volume of 1.0 102 mL at a temperature of 38.0°C. The balloon is then cooled at constant pressure to a temperature of 1.00 multiplied by 102 K. What is the final volume of the balloon?

    asked by Brittney
  20. Geometry HELP

    Using coordinate geometry to prove that the diagonals of a square are perpendicular to each other. Given: Vertices are at A(0,0), B(a,0), C(a,a) and D(0,a) Slope of AC=1; Slope of BD=-1 type your proof. (I've gotten help on this earlier but I still don't

    asked by Ariel
  21. Finance

    Break Even Analysis Healthy Foods Inc. Product 50 lb. bags Price $12.50 Per bag Fixed Costs $68,000 Variable Costs $0.15 Per lb. Annual Interest Exp $7,500 a. What is the break-even point in bags? b. Calculate the profit or loss on 12,000 bags and 25,000

    asked by KP
  22. Science

    How do you separate a mixture of alcohol,phenols and carboxylic acid in their pure form using NaOH and NaHCO3?

    asked by Nicholas Mitei
  23. business

    Describe a work-related situation you feel could be improved. For example, you want to streamline the process for reimbursing employees, or you want to create a high-tech website for your small business but have no experience in programming or graphic

    asked by mee
  24. statistics

    The average age of statistics students nationwide is 22. The standard deviation is 2.5 years. Assume the age is a normally distributed variable. Find the probability that one student selected at random is older than 23. Find the probability that the mean

    asked by DezShonna K
  25. STATISTICS

    Which of the following can be classified as Discrete and The acceleration of your car as you drive to school. The different colors of the eyes of your classmates. The number of students in your school. The height of all the people in your neighborhood.

    asked by John
  26. Math

    The diameter of circle C is 18 cm. mAD is 60°. Answer the following: a) Find m

    asked by Jace
  27. Algebra

    Need help with these-- 6. Chase scored 14 points on Monday, and he doubled his score each day thereafter. How many points did he score on Thursday? 8. Find a solution to the following system of equations using elimination: -5x + y = -5 -4x + 2y = 2 21.

    asked by mysterychicken
  28. Algebra

    Can someone check my work for the following? I am supposed to use the five-step method to solve & check, but I don't know what that is. Anyway 1. One-third of a number is 5 less than half of the same number. What is the number? My answer: 1/3x = 1/2x - 5

    asked by Tamir
  29. Chemistry

    IUPAC names for the following compounds please 1..............O ...............|| ..........--...C ........./..\ /..\ .........\../.....H ..........-- 2. ..............O ..................|| ............CH3CH2-C-CH3 3..........CH3.O ...........|...||

    asked by Mary
  30. Bus 303

    Internal and external factors exert a strong influence on the HRM function. List one external factor that you feel has a powerful influence on your company's HRM function and explain why.

    asked by meshelle
  31. English HELP

    Has anyone ever read "The Ambitious Guest" by Nathaniel Hawthorne?

    asked by Ariel
  32. Chemistry

    Which solution will have the lowest freezing point? 0.25 molal aqueous solution of sucrose 0.5 molal aqueous solution of glucose solution of 180 g of glucose (MW = 180.2 g/mol) in one kg of water. pure water

    asked by amanda
  33. English

    What literary device that is common to Modernist poetry and this poem T.S. Eliot's "The Love Song of Alfred J. Prufrock" Help Plz!!!!!!!

    asked by Isaiah
  34. Chemistry

    You have synthesized a substance from aqueous solution that has a melting point of 152 °C. A pure authentic sample of the intended product has a melting point of 154 °C. The most likely explanation for the difference in melting temperature is that the

    asked by Lynne
  35. English. Plz ans this

    What is the one word meaning of an expirience that will never be forgotten

    asked by Ajay.
  36. health

    The primary goal of wellness is the ability to achieve A.freedom from disease. B.a multicultural view of health. C.the highest possible quality of life. D.greater control over lifestyle decisions.

    asked by josh
  37. Art

    Could someone please give me some help with this question? What is an example of each of the five types of sculptures listed:? Carving Modeling Casting Assemblage Earthworks Art is beautiful but I do not know much about art. Thanks for your help.

    asked by B.B.
  38. SCIENCE :(

    What is a Unique physical feature of a Canyon???? Thanks!!! :)

    asked by urgh!!! :(
  39. English

    The following is an example of a metaphor: My brother is as slow as a snail in the morning. true or false.

    asked by Alyssa
  40. math 157

    The following data set lists the number of letters in the first 50 words in a newspaper article: 2, 5, 5, 9, 4, 4, 6, 7, 7, 6, 6, 6, 2, 5, 10, 7, 7, 6, 3, 5, 3, 2, 3, 3, 5, 4, 3, 4, 6, 5, 5, 6, 3, 2, 6, 4, 3, 5, 5, 7, 2, 3, 5, 5, 5, 7, 3, 2, 10, 3 a. Make

    asked by Deidre
  41. PHYSICAL CHEMISTRY

    explain why R is ACONSTANT IN THE IDEAL GAS EQUATION

    asked by JUDITH
  42. Physics

    23. A rifle is aimed horizontally toward the center of a target 71.4 m away. If the bullet strikes 10 cm below the center, what was the velocity of the bullet?

    asked by anonymous
  43. physics

    A stone is thrown with an initial speed of 15 m/s at an angle of 37 above the horizontal from the top of a 35 m building. If g = 9.8 m/s2 and air resistance is negligible, then what is the magnitude of the vertical velocity component of the rock as it hits

    asked by anonymous
  44. Algebra 2 to Reiny

    What's the answer to cscθ + cotθ ? I keep getting (1+ cosθ)/ sinθ

    asked by Ana
  45. business

    1. According to the Wolf article, the courts have imposed an "interactive-passive" test of jurisdiction. 2. @ Explain that distinction. According to the Wolf article, is advertising on the web alone enough to confer personal jurisdiction

    asked by kim
  46. Math

    Find the equation of the straight line that passes through the points (−1, 5) and (5, −1). Find the coordinates of the point where this line crosses the y-axis

    asked by Dave
  47. Maths

    Express the sum using summation notation: 1 - 1/2 + 1/3 - 1/4 + 1/5 - ... (to 3n terms) If I'm doing this right so far, with k=1 (the number on bottom of the sigma), the equation after the sigma would be ((-1)^(k+1)) / k I'd be able to figure out the term

    asked by Anonymous
  48. chem

    Is the following true or false? The actual size of a measurement multiplied by a conversion factor remains the same, because the measurement being converted is multiplied by 1.

    asked by ash
  49. Statistics

    Can a hypothesis test yield a statistically significant (say p

    asked by Amanda
  50. math

    a. Suppose a market research company finds that at a price of p = $20, they would sell x = 42 tiles each month. If they lower the price to p = $10, then more people would purchase the tile, and they can expect to sell x = 52 tiles in a month’s time. Find

    asked by Jesse
  51. Geometry cheak

    Choose whether the lines given below are parallel, perpendicular or neither. 4x - 6y = 9; 3x - 2y = 11 -6y+4x=9 -2y+3x=11 -6y=(9/-6)-(4/-6x) -2y=(11/-2)-(3/-2) y=2/3x+-3/2 y=-3/2x+-11/2 so they would be perpendicular. Is this right??

    asked by Ariel
  52. statistics

    what is the range of the values 2.0, 3.7, 4.9, 5.0, 5.7, 6.7, 8.5, 9.0? what is the median, mean, and mode?

    asked by Anonymous
  53. Calculus

    How to prove this (e^(2^-1 i3pi) - e^-(2^-1 i3pi))/(2i) = -1 if you could show me this that would be really great btw e is eulers number i = imaginary number sqrt -1 and pi = 3.14... THANKS!!!

    asked by Kate
  54. math 157

    The following are prices (in dollars) 2004 automobiles, as listed in a sale ad in the automobile section of the newspaper: 12,997 14,891 18,666 21,799 17,495 17,266 21,517 14,414 14,257 15,634 15,734 27,825 28,015 19,514 14,182 19,135 19,555 12,333 7,700

    asked by Deidre
  55. business accounting

    Lakie uses a perpetual inventory system. Ending inventory consists of 500 units, 400 from the July 28 purchase and 100 from the Dec19 purchase. Determine the cost assigned to ending inventory and to cost of goods sold using (a) specific identification, (b)

    asked by norma
  56. math

    How do I find the percent of increase from 19,293 to 19,897?

    asked by Joan
  57. medical

    the effect of the patient self-determination act on health care delivery consider how you think records management procedures have had to respond to this piece of legislation

    asked by Tara
  58. english

    what does theme, imagery, foreshadowing, characterization in a story or play

    asked by Ted
  59. statistics

    please help me to calculate this. I have gotten everything else right but I am confused on calculation. r=6(1853)-(21)(516)I can do. It is the denominator that I am having a problem with. Square root[6(79)-(21)squared][6(44582)-(516)squared] I have worked

    asked by Barbara
  60. English

    The following is an example of a simile: My sister is as funny as a clown. Would it be true or false.

    asked by Alyssa
  61. math 157

    The data in the table are the number and percent of U.S. high school students scoring in specific ranges on the Scholastic Assessment Test (SAT) in mathematics. Use these data to answer the following questions. a. Make a histograph and circle graph,

    asked by Deidre
  62. Algebra

    solve by elimination method 5x+2y=-13, 7x-3y=17

    asked by Erica
  63. Mayo

    What food group does mayonaisse belong in?

    asked by AL 92
  64. science

    What is the scientific Implication of a Canyon!!!! Thanks to those who answer!!!!! :)

    asked by urgh!!! :(
  65. math 157

    Data on the highest and lowest number of hits by three baseball teams within a specified period of time are described by the next set of box-and-whisker plots. a. Which team had the largest range? the smallest range? b. Which team had the largest

    asked by Deidre
  66. math 157

    For each set, develop and appropriately label a graph. Then write a short paragraph justifying your selection. Stress Units of Various Life Experiences Experience Stress Units Death of spouse 100 Divorce 73 Marital separation 65 Jail term 63 Death of

    asked by Deidre
  67. math

    factor: x squared +14x+49

    asked by Lynda Smith
  68. math

    factor by the method of using trial factors....2t squared + 4t - 30

    asked by Lynda Smith
  69. math

    he length is 1m more than twice the width find the dimensions

    asked by Anonymous
  70. algebra

    if 73 minute cell phone using the equation c-mx+b

    asked by teresa
  71. math

    give an example of a set which has just two elements; one element; no elements; an infinite number of elements.

    asked by kikay
  72. math 157

    For the data in the following table, select a type of display and describe the steps that you would take in developing it to show the relationship between age and s/1000 people from car s: Age 1–14 15–24 25–44 45–64 65– Death 4.6 6.2 16.6 8.8 15.

    asked by Deidre
  73. algebra

    operations can you associate with coefficients

    asked by sue
  74. math

    points that all lie in one place?

    asked by Charles
  75. english

    venerated

    asked by dillard