1. Classical Mechanics Physics

    A merry-go-round (pictured) is sitting in a playground. It is free to rotate, but is currently stationary. You can model it as a uniform disk of mass 210 kg and radius 110 cm (consider the metal poles to have a negligible mass compared to the
  2. English

    Thank you very much. I still have to check a few more things. I hope you can chec them. 1) Her personality lies in antithesis to those of her father and her fiancè. 2) She is submissive to her father's authority but at the time she is hard-working and in
  3. rhetoric

    What is the role of rhetoric in influencing people's attitudes and beliefs? How can readers distinguish between prejudicial and non-prejudicial use of rhetorical devices? Please check out the following posts and links: Posted by Ms. Sue on Tuesday, June
  4. Chemistry

    compared to an ordinary chemical reaction, a fission reaction will 1 release smaller amounts of energy 2 release larger amounts of energy 3 absorb smaller amounts of energy 4 absorb larger amounts of energy is it 2 ?
  5. Econ

    Suppose that the U.S. government decides to charge wine consumers a tax. Before the tax, 10 billion bottles of wine were sold every year at a price of $4 per bottle. After the tax, 4 billion bottles of wine are sold every year; consumers pay $7 per bottle
  6. Chemistry

    I would really like to understand how to do these problems, because my exam is coming up in a few weeks. I still cannot comprehend how you can tell if a system is is positive or negative according to reaction. For #1, I presume it is E if it is spontaneous
  7. Chemistry

    I would really like to understand how to do these problems, because my exam is coming up in a few weeks. I still cannot comprehend how you can tell if a system is is positive or negative according to reaction. For #1, I presume it is E if it is spontaneous
  8. Science Somebody Help Me Please..I have a deadline

    1. Diarrhea can be caused by a change in diet and different minerals in the water. True False 2. Fusion produces less radioactivity than fission. True False 3. Wise travelers eat only cooked vegetables in underdeveloped areas. True False 4. The kilogram is
  9. Resources For Educating Young Children, Part 1

    I was wondering if you could please help me My questions are 3. Which one of the following is true regarding group activities? a) Its not necessary for each child to participate b) a role should be planned for each child in the activity c) activities
  10. Applied Reseach

    For my research paper I wrote about the affects of music on standardized test scores. Basically I tracked scores of elementary and middle schoolers. I compared those who participate in music and those who didn't (quantitative research). Then i wrote a
  11. JAVASCRIPT

    Start button won't work for a scolling marquee. Below is the javascript code. window.onload = defineMarquee; var timeID; var marqueeTxt = new Array; var marqueeOff = true; function defineMarquee() { var topValue = 0; var allElems =
  12. COM/125

    From previous answers to this question: ------------------- Posted by Ms. Sue on Tuesday, June 20, 2006 at 9:47am. Check these sites to help you answer your question. (Broken Link Removed) http://en.wikipedia.org/wiki/Rhetoric -----------------------
  13. World History

    True or false. if false, what is the true statement? 1. To ancient egyptians, the most important feature of the river was the many fish that lived in it. 2. Ancient Egyptian civilization was marked by constant change and upheaval over the centuries. 3.
  14. Statistics

    The nicotine content in cigarettes of a certain brand is normally distributed with mean (in milligrams) μ and standard deviation σ = 0.1. The brand advertises that the mean nicotine content of their cigarettes is 1.5, but measurements on a random
  15. Health

    1.Antibiotics can be used to cure which of the following diseases? A) the flu B) mononucleosis C) strep throats D) hepatitis 2.Athlete's foot is caused by______. A) a fungus < my answer B)swimming pools C) bacteria D) a virus 3. Colds and the flu are
  16. Writing

    Don’t you just wish you can have the time of your life without your parents? I know I wish I could. I would like to go out and hang out with my friends without parents such at parties with no chaperone. First reason is I could have a better relationship
  17. Spanish-Please check and clarify

    Could someone recheck this-I don't understand the two follow up answers because they seem to contradict each other-Maybe its the question or wording I'm confused about but I still don't understand if this is true or false. I thought it was false.I'm sorry
  18. Chem

    The relationship between volume and pressure (at constant temperature) is directly proportional. my answer- True The relationship between pressure and temperature (at constant volume) is inversely proportional. my answer- True The relationship between
  19. managerial economics

    1. JQ sells ties and currently has sales of 1,200 units a month, producing a revenue of £36,000. It competes with KR, who is now considering a price cut of 25%. The PED for JQ is –1.5 and the CED between the two products is 0.8. a) Calculate the effect
  20. manegerial econimics

    1 JQ sells ties and currently has sales of 1,200 units a month, producing a revenue of £36,000. It competes with KR, who is now considering a price cut of 25%. The PED for JQ is –1.5 and the CED between the two products is 0.8. a) Calculate the effect
  21. English

    Identify the main ideas of the paragraphs. My answers are in parentheses. (Geography is essential to our education.) Not just knowing how to read a map, but at least a basic understanding of where countries, states and continents are located on a map. Yet
  22. Critical Thinking

    What is the role of rhetoric in influencing people's attitudes and beliefs? How can reader's distinguish between prejudicial and non-prejudicial use of rhetorical devices? Previous answers to this same question: ------------- Posted by Ms. Sue on Tuesday,
  23. chemistry

    Ok so im just totally confused because i don't technically have chemistry teacher (i have cancer so i cant go to school so while i have a teacher i can email questions to, he doesnt really help so im stuck teaching myself) & i didn't get any reference to
  24. eating binges/emotional psychology

    18. Compared to overweight people, normal-weight people are ___ likely to engage in eating binges, and ___ likely to experience emotional problems. a. Less…more b. Less…less c. More…less d. About equally…about equally I chose answer C. because
  25. math

    the table below shows the number of excellent service award (exsa) given to individuals and companies from 1996 to 1999 Year. Individual award. Company 1996. 935. 32 1997. 1764 40 1998. 1985. 52 1999. 2492. 63 A. Calculate the percentage increase in the
  26. Check my CALCULUS work, please! :)

    Question 1. lim h->0(sqrt 49+h-7)/h = 14 1/14*** 0 7 -1/7 Question 2. lim x->infinity(12+x-3x^2)/(x^2-4)= -3*** -2 0 2 3 Question 3. lim x->infinity (5x^3+x^7)/(e^x)= infinity*** 0 -1 3 Question 4. Given that: x 6.8 6.9 6.99 7.01 7.1 7.2 g(x) 9.44
  27. Math

    Find the greatest value of a,so that integrate [x*root{(a^2-x^2)/(a^2+x^2)} ] from 0-a<=(π-2) Let I =integrate{ [x*root{(a^2 - x^2)/(a^2+x^2)}]dx } from 0-a I used the substitution u=root[x^2+a^] to simplify the further. After substituting and changing
  28. US HISTORY *JUST NEED CHECKED*

    What foreign policy did the United States follow before entering World War 2? * Isolationsism Communism(MY ANSWER) Socialism Blitzkrieg Japan is a country made up of islands * True (MY ANSWER) False Why was Japan so interested in controlling the islands in
  29. Calculus, check my answers, please! 3

    Did I get these practice questions right? 1. Suppose that f is an even function whose domain is the set of all real numbers. Then which of the following can we claim to be true? ***The function f has an inverse f –1 that is even. The function f has an
  30. English

    i not get what this poem mean it be a ballad but i not get what theme be do the guy girl be in strong bond? True Thomas lay on Huntlie bank; A marvel he did see And there he saw a ladye bright Come riding down by the Eildon Tree. Her skirt was o' the
  31. Chemistry

    Hello Jiskha, I'm hoping you are able to help me with my homework. Its on General Chemistry. Question One - When the solid NH4NO3 is dissolved in water at 25 C, the temperature of the solution decreases. What is true about the signs of enthalpy (H) and (S)
  32. Math

    Please let me know if is it true? If exactly 15 seconds of speech are to be sampled at a rate of 44 100 samples per second and each sample is represented by 16 bits of data, then the resulting file size will be more than 1.4 megabytes.
  33. Interpersonal Communication

    True or False: Americans tend to look at others above the neck or below the knees. Looking at other parts of a person’s body is considered impolite, while looking at anyone for more than three to five seconds can be interpreted as staring.
  34. Science

    What is true about the element francium (Fr, atomic number 87)? Choose all that apply. A) It has seven valence electrons. B) It is likely to form ionic bonds. C) It is in Period 7. D) It is nonmetal. E) It is a metal. I think its B, C, E. Am I right?
  35. math

    An analysis of the ledger detail is required to differentiate owner's equity beginning balance from the amount of additional investments made during the period. True
  36. Computer Security

    Hackers use data input forms to add scripts to the server that then steal user information. This is known as buffer overflows. True or False
  37. Grammar

    Parallel construction in writing means using similar forms of words, phrases, or clauses in sentence patterns and structures. A) True B) False my answer is A
  38. Numerical Analysis

    Use Taylor series expansions (zero through fourth order) to predict f (2) for f (x) = ln(x) with a base point at x = 1. Determine the true percentage relative error for each approximation.
  39. Math (functions)

    If we have the function f(x) = (ax + b) / (cx + d) with a,b,c,d real numbers for which values of a,b,c,d is the following true f(f(x)) for all x I do a whole lot of algebra and get that that a,b,c,d must satisfy some conditions : c*(a+d) = 0 (d^2) - (a^2)
  40. Chemistry

    What is true about the element francium (Fr, atomic number 87)? Choose all that apply. A) It has seven valence electrons. B) It is likely to form ionic bonds. C) It is in Period 7. D) It is nonmetal. E) It is a metal. I think it is B, C, and E?
  41. US History

    True or False...For several decades into the eighteenth century, American colonists continued to lead rather backward lives, isolated from British society and culture.
  42. Science

    What is true about the element francium (Fr, atomic number 87)? Choose all that apply. A) It has seven valence electrons. B) It is likely to form ionic bonds. C) It is in Period 7. D) It is nonmetal. E) It is a metal. I think it is B, C, and E?
  43. Statistics

    H(o): u=10 H(o): u>10 (sigma)=2 n=25 In your research, you will fail to reject the null hypothesis if your sample average is less than 10.82 a) What is the probability of making a Type II Error if the true value of "u" is 10.26? b) What is the power of
  44. social studies

    write an essay on: "Descendants of A frica slaves have experienced a higher standard of living if they had been born in Africa" .How true is this statement?Elaborate.
  45. math

    Shawnee is putting $3,500 into an account earning 4.85% interest compounded quarterly. She estimates that it will take just over 11 years for this investment to grow to $6,000. Which of the following is a true statement?
  46. space science

    In blackbody radiation, the energy is radiated uniformly in every region of the spectrum, so the radiating body appears black in color. true or false?
  47. statistics

    Rework problem 15 from section 3.5 of your text involving a true-false test. Assume that 20 questions are answered by guessing. What is the probability of exactly 15 correct answers?
  48. maths

    When conducting an inferential statistical analysis, and applying a conventional “critical p- value” of .05, the odds of making a Type I Error and “rejecting a true Null Hypothesis” is…?
  49. communication

    6. Americans tend to look at others above the neck or below the knees. Looking at other parts of a person’s body is considered impolite, while looking at anyone for more than three to five seconds can be interpreted as staring. (Points : 1) True False
  50. english

    the follow sentenceis an example of proper comma usage:"MANY STUDENTS ANTICIPATE SPRING BREAK BUT, LUIS LOOKS FORWARD TO WINTER VACATION MORE" TRUE OR FALSE
  51. World history 201

    After years of extensive study, scholars have concluded that the olmecs of southern Mexico originally emigrated from Africa. True or False
  52. American History

    true or false The Great Migration was a large-scale movement of hundreds of thousands of southern African Americans to Weswtern farms.
  53. Classifyng triangles

    Tell wether the statement is always, so Etimes, or never true. Justify your reasoning and i clude example .The sum of any two angle measures in an acute triangle is greater than 90 degree.
  54. World Studies

    True or False. A democratic form of government is one in which a president holds the most power. http://www.answers.com/democracy Read carefully. =)
  55. trigonometry

    can someone check the first one and help me with the last two find the values of s in the interval [0,pi/2] that make the statements true. 1. sin s = 0.75438373 i got 0.8547148 2. cos s = 0.74241049 is it .83666126?? 3. cot s = 5.6394377 :)
  56. writing

    Which of the following is true of the memo format? A. There is a closing B. Text is handwritten C. Paragraphs are aligned with left margin D. Language is always informal and jargon is always acceptable. I'm stuck between B and C?
  57. S.S.

    5. Which of the following was true of the Know-Nothing party? A. It gained the widespread support of new immigrants. B. It focused on containing the expansion of slavery. C. It wanted to undermine immigrant voting strength. D. It rejected nativism. C?
  58. Africa

    true or false Some people in northern Chad are nomadic and raise camels and plant crops in oases due to lack of arable soil.
  59. 6th Grade Maths

    Where do I place the parentheses and/or brackets to make this sentence true? I have tried every combination using the correct order of operation PEMDAS - and NOTHING is coming out with 54 as the answer. 45/2 x 4.7 - 4.4 x 6 = 54 Thanks!
  60. ece

    It's difficult for a young child to experience true empathy until he or she A. reaches the age of 8. B. is able to see things from another person's perspective. C. has been taught about it by his parents. D. has experienced difficulties himself.
  61. Math!! Please help!!!

    Given 1/3 Y÷1/2 X=4 Discuss its meaning. Create a shape for X and for Y that will make this true. Draw and label the shapes, then illustrate how the quotient was obtained. Your drawing must be neat and accurate.
  62. American Gov

    According to the text, when economic or occupational self-interest is at stake, most people press for programs that serve the broader interests of the nation as a whole. True or False
  63. chem

    consider the chemical reaction, 2Al + 3Cl2 -> 2AlCl3. here, 212.7 g of chlorine can produce a maximum of 266.66 g of AlCl3 (molar mass of Al = 26.98 g and Cl = 35.45 g) true or false
  64. Biology

    Which of the following . is true about the DNA molecule during transcription? A- It opens up all of the way, one gene at a time. B- It unwinds from both ends. C- It makes a copy of itself. D- Only a small area is opened. My choice is C.
  65. childcare

    Children should not be served drinks in containers made of A Styrofoam. B uninsulated paper. C treated ceramic. D stainless steel. The answer correct is A .. Is it true?
  66. health

    Which of the following is true of psychosocially healthy people? a. They are uncomfortable when put in new social situations. b. They frequently experience guilt. c. They value human diversity. d. They avoid new experiences.
  67. Biology

    All the following statements concerning the theory of evolution by natural selection are true EXCEPT: The bodies of organisms in a population change by use and disuse, and the changes are inherited by the next generation. Why is the above the correct
  68. art

    Titles of works and company names should be treated as singular nouns. For example: “The Secret Life of Bees is a novel that was made into a movie last year.” true or false
  69. physics

    You overindulged on a delicious dessert, so you plan to work off the extra calories at the gym. To accomplish this, you decide to do a series of arm raises holding a 5.5kg weight in one hand. The distance from your elbow to the weight is 36cm , and in each
  70. writing

    what does it mean when it asks if you qualifed any generalization in your essay It is asking you to provide details (data, specifics) to prove that the generalization is true or reasonably true. =) thank you does the same thing apply when it asks for
  71. calculus

    A man launches his boat from point A on a bank of a straight river, 3 km wide, and wants to reach point B, 2 km downstream on the opposite bank, as quickly as possible. He could row his boat directly across the river to point C and then run to B, or he
  72. Chemistry

    The values of Ksp for silver bromide, AgBr is 7.7x10^-13, and silver chloride, AgCl is 1.6x10^-10. A solution containing a mixture of 2.0x10^-2 M Br^- and 2.0x10^-2 M Cl^- is a candidate for separation using selective precipitation. Solid AgNO3 is added
  73. english

    Have you ever wanted to give up on something before you even started? That’s how Raja felt as he squinted up at the looming mountain crowned in clouds. Then he looked back at the group of boys behind him. “Are you all ready?” one of their leaders,
  74. finance (total asset turnover)

    Total asset turnover indicates the firm's? A. liquidity B. debt position C. ability to use its assets to generate sales D. profitability I read about a asset turnover ratio in the text book. this ratio by itself is useless but when compared to the company
  75. nutrition and wellness

    The over-all purpose of a food guide is to separate food into groups. calculate your dietary needs for calories. to be used as a tool to implement healthy dietary guidelines. to give examples of portions for food groups. Computing your food intake means
  76. Chemistry

    When 4.0 mol of CCl4 reacts with an excess of HF, 3.0 mol of CCl2F2 (Freon) is obtained. The equation for the reaction is CCl4(l) + 2HF(g) --> CCl2F2(l) + 2HCl9g) State which of the statements are true about the reaction and make the false statements
  77. Critical Reading

    Critical readers would not ask the same questions of themselves that they ask of the writer's work. true or false thanks!
  78. theology

    there are no variations within the catholic liturgy. all liturgy is identical worldwide. true or false?
  79. english

    in "The Wager" is it true The banker was probably motivated to make the wager by his hatred for the jurist?
  80. Finding Job

    cold calling is best to do first, and if there is a possible job, then research the company true or false
  81. English

    True or False? An appositive is a noun that is placed after another noun in order to tell more about it and it's usually set off with commas.
  82. Computers

    True or False? RAM is the electronic holing area on the computer. False???
  83. Math, identities and equalities

    Determine the value of a, b, and c so the following equalities become true for any value of x. x^3 - 6x^2 + 15x - 7 =(x+a)^3 + bx + c If possible, could you please show how you solved it.
  84. geography

    Culture is seldom a factor in world conflict. A)True B)False i think its false
  85. Math Pre Calc Help

    (cos^4x -sin ^4 x)/(sin^2x)=cot^2x -1 How to prove true?
  86. Biology

    "wherever in the universe life exists, some of those life forms must be colored" is this true? if so please explain
  87. psychology

    It is not possible for a patient to benefit from a drug that is not designed to help them, even if they expect it to. True False False?
  88. Math

    Which word describes the equation 17= t - 5? A. TRUE B. FALSE C. OPEN D.NOT GIVEN I know it's not a or b and I'm not sure what an open sentence is
  89. MATH DECIMALS

    45.6 - 72.3 = I USED CALCULATOR GOT 26.70 PUT THATS USING CALCULATOR WHY IS THAT TRUE? 45.6 - 73.3 HOW CAN YOU SUBTRACT THIS? I DON'T UNDERSTAND
  90. English-The Wager

    true or false: once wager has been made protagonist and antagonist are in conflict.
  91. WRITING SKILLS

    an appositive is a noun that is placed after another noun in order to tell more about it and it's usually set off with commas. TRUE
  92. Math

    Students can improve their math performance by putting forth additional effort when necessary. Is this true?
  93. probability

    What is the probability of getting 80% or more of the questions correct on a 10-question true-false exam merely by guessing?
  94. Computer

    Diagnosing is solving the problem, and troubleshooting is figuring out what the problem is. True False
  95. Health and public communications

    Do you think that health care delivery in the US has been a success or a failure? I think its not true
  96. Calculus

    Why is this statement true or false the magnitude of vector a + b is greater than and equal to vector a
  97. American Gov

    Was The Virginia Plan and the New Jersey Plan were substantially the same. True or False
  98. American Government

    The Virginia Plan and the New Jersey Plan were substantially the same True or False
  99. Statistics

    True or False As sample size increases, the value of the standard error also increases.
  100. physics

    Is it true or false that momentum is conserved when total mechanical energy is conserved?