# Questions Asked onJune 11, 2010

1. ## Physics

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

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.)

3. ## math/Probability

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

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

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

6. ## Chemistry

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

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

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)

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?

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

11. ## LITERATURE

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

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?

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.

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.

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)?

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

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

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)

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?

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

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

22. ## Science

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

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

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

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.

26. ## Math

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

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.

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

29. ## Chemistry

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

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.

31. ## English HELP

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

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

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!!!!!!!

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

35. ## English. Plz ans this

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

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.

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.

38. ## SCIENCE :(

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

39. ## English

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

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

41. ## PHYSICAL CHEMISTRY

explain why R is ACONSTANT IN THE IDEAL GAS EQUATION

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?

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

44. ## Algebra 2 to Reiny

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

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

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

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

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.

49. ## Statistics

Can a hypothesis test yield a statistically significant (say p

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

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??

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?

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!!!

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

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)

56. ## math

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

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

58. ## english

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

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

60. ## English

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

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,

62. ## Algebra

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

63. ## Mayo

What food group does mayonaisse belong in?

64. ## science

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

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

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

67. ## math

factor: x squared +14x+49

68. ## math

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

69. ## math

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

70. ## algebra

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

71. ## math

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

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.

73. ## algebra

operations can you associate with coefficients