Questions Asked on
August 6, 2008

  1. physics

    A simple pendulum with a length of 1.50 m is suspended from the ceiling of a train. What is the period of simple harmonic motion for the pendulum if the train is moving up an incline of 15.0˚ with an acceleration of 3.00 m/s²? Don't know how to do,

    asked by Elisa
  2. physics

    A bat flying at 6.00 m/s emits a chirp at 40.0 kHz. If this sound pulse is reflected by an insect moving away from the bat at 2.00 m/s, what is the frequency of the echo received by the bat? Assume the air temperature is 25.0 ˚C. Would I need two

    asked by Elisa
  3. physics

    A uniform string fixed at one end passes over a pulley and then is attached to a hanging object. The string is horizontal between the fixed end and the pulley. When you let the hanging object oscillate in the vertical plane, the fundamental frequency of

    asked by Elisa
  4. Chemistry

    Can a buffer solution with pH = 4.70 be prepared using water, 6.0 M HC2H3O2 and 6.0 M NaOH? Justify your answer. Ka = 1.8 x 10-5 for HC2H3O2 , K = 1.0 x 10-14 .

    asked by Alexis
  5. chemistry

    Consider the reaction A + X products. Two trials are performed at the same temperature and using the same reaction medium. The initial rate is found to increase by a factor of 2.83 when the molar concentration of X is doubled and the molar concentration of

    asked by Alexis
  6. chemistry

    The isomerization reaction H3CNC(g) H3CCN(g) was found to be first order in H3CNC. At 600 K, the concentration of H3CNC is 75% of its original value after 205 s. (a) What is the rate constant for this isomerization reaction at 600 K? (b) At what time will

    asked by Alexis
  7. Bus115

    Does Nike invite comments from vistors to its. Web site? If so, how dose this effect its attemp to build positive relationships with its customers?

    asked by M
  8. Bus115

    How do the elements of the Website relect Nike's target market?

    asked by M
  9. Bus115

    How does Nike's Web site help the company strengthen its relationships with its stakeholders? Give examples to support your answers.

    asked by M
  10. Precalculus

    Find the inverse function of f(x) = 1.5 ln(x-2) + 4 Please help! I don't even know where to start ):

    asked by Megan
  11. chemistry

    chemical technology definition

    asked by Anonymous
  12. chemistry

    chemical technology definition

    asked by Anonymous
  13. human resources

    I'm writing an essay looking into why organisations may systematically not hire the best candidate for the job. So far I have only been able to think of positive discrimination as a positive reason. Does any one else have any ideas?

    asked by Annie
  14. mathematics

    the difference between two positive numvers is 2 and the difference between their squares is 40. taking x to be the smaller of the two numbers, form an equation in x and solve it. thank you in advance!

    asked by jessica
  15. maths!

    the formula h=15t-5t^2 gives the height 'h' metres of a ball, 't' seconds after it is thrown up into the air. (i) find the times when the height is 10m (ii) after how long does the bal hit the ground? ive figured out that the answer to (i) is t= 1 or 2 by

    asked by jessica
  16. Reading


    asked by MS. DELIA
  17. psychology

    I would like the entire class to identify the major similarities and differences that exists between the American and European traditions of psychology. Please post a response to this message that includes at least two similarities and two differences. can

    asked by tom
  18. calculus

    how do you evauste the intergral intergral (2x^4-2x^3+6x^2-5x+1)/(x^3-x^2+x-1)dx using partial fractions method?

    asked by Ann
  19. com140

    Which guidelines do you think are most important for formatting papers?

    asked by ano
  20. com140

    Suggest options for presenting information to an audience. Which method do you think is the most effective. Please expplain

    asked by ano
  21. geography

    The Pacific Ranges were formed by a. volcanic activity b. recent glacier deposits c. the collision of tectonic plates d. the Great Divide

    asked by teja
  22. physics

    A stone is thrown downward into a well with an initial speed of 5.00 m/s. The sound of splash is heard 1.50 s later. Find the depth of the well if the air temperature is 15.0 ˚C?

    asked by Elisa
  23. math

    Rationalize the denminator in the expression: 1/(1+(sqrt of 3)-(sqrt of 5)) and thenn... A=2PIr^2 + 2PIrh *solve for positive r **PI is equal to 3.14etc.

    asked by alk
  24. history

    when (at what point) was hitler an imminent threat?

    asked by LOU
  25. English

    1. According to Finch in "The Introduction," what does society believe are the "proper" activities for women? a. politics and voting b. marriage and motherhood c. gardening and cooking d. fashion and dancing I think it's b or d? 2. The anecdote Boswell

    asked by Soha
  26. English

    plz help me on this 1. What was the rumor about how "The Great Fire started? a. It was started to burn the germs from the plague b. A careless vagrant started it c. The French started it d. It started with the burning of the dead bodies from the plague. d?

    asked by Soha
  27. statistics in automotive

    what type of statistics are used in manufacture company's

    asked by AJ
  28. Critical Thinking

    Categorize each fallacy to its match fallacy which are Ad homimem/genetic, wishful thinking, "Argument" from popularity, Hasty Generalizing, "argument" from outrage, straw man, post hoc, red herring/smokescreen, group think, scare tactices, poisoning the

    asked by Nikia Walker
  29. grammar

    which sentece has a retrictive clause? 1.Her sister who is a lawyer in New York City ,is coming for the weekend. 2.The book that Mario wrote turned out to be long,dense and boring. 3.Rhode Island,which is the smallest state, is in Northern U.S. 4.The cost

    asked by jordan
  30. english

    1.Which one following sentence is puntuated correctly. A.I saw many of my friends,that I had knew from high school. B.Work was especially hard today,Ihad to train someone new to the job C.I often carry a cellphone with me,it helps if someone is trying to

    asked by jordan
  31. Critical Thinking

    Identify any example of fallacies in the following passage. Tell why you think these are fallacies, and identify which category they belong in, if they fit any category we’ve described. 1.Letter to the editor: “Andrea Keene’s selective morality is

    asked by Nikia Walker
  32. grammar

    Which one of the following sentences uses pronouns correctly? A.Please give Paul and I your undivided attention. B.Jacob and me are going to set a meeting date. C.Carol told Silvya and he the good news. D. Send the package to Tanya and him. I think the

    asked by jordan
  33. English

    WHICH OF THE FOLLOWING SENTENCE INCORRECTLY USES A COMMA? A.We had to decide among steak,lobster, and pork roast. B. Before we could enter the building ,we had to show our identification badges. C. The car that was used as a demonstration in the race,is

    asked by shayla

    IN WHICH OF THE FOLLOWING SENTENCES IS THE POSSESIVE USED CORRECTLY? A. The boy's basketball team plays every Friday, but the girls play every other Thursday. B.Their's is the first bus to arrive at school every morning. C. The childrens' activity period

    asked by shayla

    WHICH OF THE FOLLOWING SENTENCES IS THE SUBECT-VERB AGREEMENT correct? A. The sound of the waves are drowning out their cities for help. B. Either Jim or I am going to the convention. C. Neither Carol nor her children is coming to the reunion. D. There is

    asked by shayla

    WHICH OF THE FOLLOWING SENTENCE IS grammatically CORRECT? A. I really need to lay down. B.Sit it down over there by the window. C. I thought it would be best if I were to raise a curtain. D. The men came today to lay the carpet in the living room.

    asked by Anonymous
  37. Journalism

    could you put these sentences in order to create a story.In the correct order? 1. Witnesses told police that the man appeared to be in his early 20s and wore dark clothing. 2. According to officers, an unidentified man starting shooting after he walked up

    asked by Anonymous
  38. Ethnics

    Choose an ethnic group to which you personally belong. If you identify with more than one group, choose the group with which you most identify or about which you would like to learn more. • Write a 700- to 1,050-word, APA-formatted essay, answering the

    asked by Chris
  39. English

    WHICH ONE OF THE FOLLOWING SENTENCES DEMONTRATES CORRECT SUBJECT-VERB OR TENSE AGREEMENT? A. Neither my team nor Sandra's team are in the in the playoffs. B.One pair of shoes cost four dollars now. C.How many times has she told you that same old story?

    asked by shayla
  40. science

    Describe at least three potential indoor air quality (IAQ) hazards in your home. What are the possible health impacts of each hazard? Do you believe your health is at risk based on your exposure to the three IAQ hazards? Why or why not? What can you do to

    asked by nikki

    WHICH OF THE FOLLOWING SENTENCES USES WHO or WHOM CORRECTLY? A. She couldn't decide who to pick. B. She found the person who she wanted. C.Whom is expected to come? D.She wasn't sure whom she could trust. ANSWER:D AM I CORRECT

    asked by shayla

    WHICH OF THE SENTENCE USES appostrophe CORRECTLY? A. She enjoyed the movie and told me it's scenery reminded her of her hometown. B. You really ought to take up fly-fishing-it's a very relaxing hobby. C. This is a fine piece of furniture,and it's merits

    asked by shayla
  43. Math Wrod Problem

    1. A long strip of copper 8 inches wide is to be made into a rain gutter by turning up the sides to form a trough with a rectangular cross section. Find the dimentions of the cross-section if the carrying capacity of the trough is to be a maximum. 2. A

    asked by Nahel
  44. Precalc

    An open-top shipping crate with square bottom and rectangular sides is to hold 32 in^3 and requires a minimum amount of cardboard. Find the most economical directions.

    asked by Joe
  45. Sorry, another math problem please

    Hooke's Law asserts that the force required to either stretch or compress a spring from its natural length varies as the displacement. A certain spring is stretched 12 inches beyond its natural length by a 3 lb. weight. Express the force in terms of the

    asked by Nahel

    In which of the following sentences is the semicolon used correctly? A. There were five items on the kitchen counter; a coffeemaker, a bag of beans, agrinder, a sugar bowl, and a cracked cup. B. At first Icouldn't make out what kind of bird it was,but as I

    asked by JORDAN
  47. Business ethnics

    Read the case study concerning Joelle which is on page 25 of your text. Discuss the different ethical principles which can be applied in handling this situation. Which would you use and why?

    asked by jay jay

    Which one of the following sentences uses Quotation Marks correctly? A. "Some laws," he intoned,"are made to be broken." B. "Put those books on the shelves, she said Or we'll never be able to locate them again." C. The title of the first chapter in the new

    asked by JORDAN
  49. physical education

    The effects of training at a cellular, biomechanical and psychological level.

    asked by sean
  50. Bods

    A bond with a coupon rate of 4,875%, yield to maturity of 4,727%, face value of $1,000. The quoted price for the bond is $101,203. What is the maturity of the bond?

    asked by Tuty
  51. math

    Solve for x (without using a calculator): log base 3 of x^2= 2log base 3 of 4-4log base 3 of 5 Solve each of the inequalities: (a) x^2+2x-3

    asked by alicia
  52. education

    what is a community school? what is a community school approach? what is the curriculum of a community school? please help...

    asked by klar maesen