Questions Asked on
October 25, 2007

  1. Physics

    A train slows down as it rounds a sharp bend, slowing from 90.0km/h to 50.0km/h in the 15.0s that it takes to round the bend. The radius of the curve is 150m. Compute the acceleration at the moment the train speed reaches 50.0km/h. Assume it continues to

    asked by Ryomasa
  2. physics

    A .400 kg bead slides on a curved wire, starting from rest at point A. If the wire in problem 61 is frictionless between points A and B (down 5m) and rough between B and C (up 2m), and if the bead starts from rest at A, (a) find the speed at B. (b) If the

    asked by Anonymous
  3. Math

    A new school has exactly 1,000 lockers and 1,000 students. the student meet outside the building and decide on this plan. The first student will enter and open al the lockers. The second student will enter and colse ever locker with an even number (2,4,6,

    asked by Ibby
  4. Physics

    Jane is sitting on a chair with her lower leg at a 30.0° angle with respect to the vertical. You need to develop a computer model of her leg to assist in some medical research. If you assume that her leg can be modeled as two uniform cylinders, one with

    asked by Dante
  5. writting skills

    In the metaphor of language as a layer cake given in your study unit, which of the following words could be considered to be a frosting word?

    asked by demarcus ellis
  6. Chemistry

    Translate the following sentences into unbalanced formula equations: (1) silver nitrate and soduim chloride react to form silver chloride and sodium nitrate. (2) iron (III) sulfate and calcium hydroxide react to form iron (III) hydroxide and calcium

    asked by M
  7. Algebra

    A statue is 8ft. tall. The display case for a model of the statue is 18 inches tall. Which scale allows for the tallest model of the statue that will fit in the display case? A. 1 inch: 2 inches B. 1 inch: 7 inches C. 1 inch: 5 inches D. 1 inch: 10 inches

    asked by Alison
  8. physics

    A catcher “gives” with the ball when he catches .15 kg baseball moving at 25 m/s. (a) If he moves his glove a distance of 2.0 cm, what is the average force acting on his hand? (b) Repeat for the case in which his glove and hand more 10 cm.

    asked by Anonymous
  9. Science

    QUESTION: "Make a hypothesis about how space craft that travel through the solar system obtain the energy they need to operate." We are studying energy forms in class (Kenetic, Potential, Nuclear, etc.)... i need help NOW!

    asked by Diamond
  10. Physics

    A 1500 kg car moving east at 15 m/s collides with a 1730 kg car moving south at 15 m/s and the two cars stick together. What is the velocity of the cars right after the collision? How much kinetic energy was converted to another form during the collision?

    asked by Dante
  11. Chemistry

    what volume of water must be added to 10ml og 6.0M NaOH to make a solution that is .30 M in NaOH How do I solve for this

    asked by Lauren
  12. Algebra word problem

    please help me with the following: The value of a particular investment follows a pattern of exponential growth. In the year 2000, you invested money in a money market account. The value of your investment t years after 2000 is given by the exponential

    asked by Soph.
  13. Teen Suicide

    I have to do a term paper on Teen Suicide. Here is our format: I. Title Page II. Table of Contents III. History of Problem IV. Who's affected V. Signs of Problem VI. Agency VII. Treatment VIII. Prevention

    asked by Wenmar
  14. ap physics

    can you please check my answers and help me with one question? During a lie dector test, a voltage of 6 V is impressed across two fingers. When a certain question is asked, the resistance between the fingers drops from 400,000 ohms to 200, 000 ohms. What

    asked by ash
  15. Chemistry

    Why do ionic compounds conduct electricity when they are melted or dissolved in water?

    asked by Jennifer
  16. Biology

    What is the function of tRNA?

    asked by Jen
  17. Cultural Diversity

    Can you help with this question? Which of these scenarios best describes a nuclear family? A) Jeremiah is growing up within a cluster of adults and children who maintain their own living quarters but come together for work and meals. Child-rearing is a

    asked by Rose
  18. Psychology

    Who is Phineas Gage and how did his behavior change after the accident? Could anyone help me with a report about behavioral repercussions od different brain injuries? I have to pretend someone I know has a brain injury and create 5 journal entries

    asked by Christian
  19. Calculus Check

    A survey of one thousand people found that 70% of the people have a CD player, 85% have a telephone, and 45.2% have a computer. At least how many people have all three objects? Is the answer 258, because that's what I keep getting?

    asked by Matt
  20. Algebra1

    How would i solve this problem?(It's on a MathCounts worksheet and i don't understand it) the ^ mean exponents -(1^2008)+(-1)^2007

    asked by Lindsey
  21. maths

    Keshawn and Samantha are in a science class with 18 other students. The teacher randomly divides the class into 10 pairs of laboratory partners. Whar is the probability that Keshawn and Samantha are lab partners?

    asked by Audrey
  22. math

    a bathtub can be filled by the hot and cold water pipes in four minutes and, when full, can be emptied by the waste pipe in five minutes. If it is half full and all three pipes are set running, when will the tub be filled?

    asked by Charlie
  23. Algebra

    The size of the beaver population at a national park increases at the rate of 5.1% per year. If the size of the current population is 151, find how many beavers there should be in 4 years. Use the function f(x)=151e^0.051t and round to the nearest whole

    asked by Shay
  24. Chemistry

    Write the binary formulas for the compounds formed from the following ions: Na+, Cl-

    asked by Danny M
  25. Ms. Sue,this is for you--please read

    Would you please look on page 2,under Cultural Diversity and help me with the question I had asked earlier? Thanks!

    asked by Rose
  26. physics

    If the filliament resistance in an automobile headlamp is 3 ohms, how many amps does it draw when connected to a 12 volt battery? I got 36 watts? would I divide 12 volts/3 ohms= 4 amps

    asked by erica
  27. civics

    What is a plurality and majority of pressidential votes?

    asked by Brooke
  28. MATH

    An application of a rational function is T = (AB)/(A+B), which gives the time, T, it takes for two workers to complete a particular task where A & B represent the time it would take for each individual worker to complete the identical task. Estimate how

    asked by ALGERBRA
  29. History

    whats material were Portrait Masks made out of?

    asked by Rachel
  30. chemistry

    I need to calculate the pressure exerted by the hydrogen in an eudiometer for a weighing by redox lab. mass of Mg: .021 g temp: 295K barometric pressure: 29.87 inches Hg volume of H2 gas: the difference between tiop water level in eudiometer = 322 mm the

    asked by Rebekah
  31. chemistry

    I need to calculate the pressure exerted by the hydrogen in an eudiometer for a weighing by redox lab. mass of Mg: .021 g temp: 295K barometric pressure: 29.87 inches Hg volume of H2 gas: the difference between tiop water level in eudiometer = 322 mm the

    asked by Rebekah
  32. english

    Is the word ivented a linking verb ,Action or an auxilary verb?

    asked by Brooke
  33. Math repost for Andy

    math - Andy, Thursday, October 25, 2007 at 7:37pm can you please help me with this math problem? If you can here is the question: Seventy-five years ago, pharmacists weighed medicine on balances like the ones you have been using. The mass pieces were very

    asked by Writeacher
  34. PreCalc (Sine)

    I'm having trouble understanding a sine concept. For instance, I know that the sine of 15 is .25881. Likewise, the sine of 165 is also .25881. How can I find other values of sine that also equal .25881? Thank you very much.

    asked by Jim
  35. Honors Science

    heyyyy i have this scale,the points are 0,5,and 10. and between 0-5 also 5-10,there are only 2 more points that numberless. i am confused. what numbers could possibyl go there.

    asked by Chris
  36. statistics

    Compute the expected return if two mega lottery tickets are sold for $6, if the winning ticket is drawn from five (5) million tickets sold, and if the winner receives $10 million.

    asked by sophia
  37. ap physics

    can you please check my answers and help me with one question? During a lie dector test, a voltage of 6 V is impressed across two fingers. When a certain question is asked, the resistance between the fingers drops from 400,000 ohms to 200, 000 ohms. What

    asked by ash
  38. science

    how would i draw the structure of a dipeptide which is made up of the following; Glycine and phenylalanine? please could somebody point me in the right direction?

    asked by sam
  39. statistics

    Given a distribution with mean X and standard deviation S, answer the following. 4.1 Determine the mean and standard deviation if constant K is added to each observation 4.2 Determine the mean and standard deviation if constant K is multiplied by each

    asked by sophia
  40. maths

    I have an illustration in my book of a quadrilateral inside a circle. The quadrilateral is ABCD; AB is a vertical line and then AC and BD are the same length, but AC slopesd downward and BD upwards. Finally, there's CD; it's not vertical, as it slopes

    asked by Audrey
  41. english

    My teacher told me that this sentence is ambigious. Can someone help me to fix this. "One of the main impacts is the transmission of many infectious diseases carried by insects, such as malaria and dengue which are sensitive to temperature, humidity, and

    asked by jason
  42. math

    A particle moves with constant speed of 3m/sec along path y=3x^2 What is the acceleration of the particle at x=1.5m? I know that Velocity is y'=6x Somebody please help!

    asked by david
  43. Economics

    from a supply/demand side, I assume that the supply of savings would move inward if the gov lower taxes on profit resulting in an increase in the deficit. Am I correct in my thinking?

    asked by Jay
  44. math

    Can someone check and tell me if these are correct or not. subtract -88-53= Subtract 7/9 - (-13/18)=-11/18 multiply (3)(7)(-9)=-189 find the reciprocal of (-1/7)(14/3)(9)

    asked by nena
  45. Calculus Bonus

    There is this bonus that I need so bad for my grade. I have tried several ways to answer this question and have tried several equations. Please Help Bouquets are priced on the basis of the numbers and types of flowers used. What is the price of the fourth

    asked by Matt
  46. Stats

    Where can I find fuel efficient car sales statistic for recent years?

    asked by eason
  47. Math

    I don't get either of these equations. Please help me out! 1. Music Mart sells an average of 150 cassette tapes daily at $10.00 a tape. If 15 sales are lost for each $0.50 increase in unit price, what price will maximize profits? What will be the resulting

    asked by Samantha
  48. Algebra

    If I have 12 / 2(x+3) that is the same as saying 12/2 * (x+3) or 6(x+3), right?

    asked by Ben
  49. physics.

    please check my answers. when a lamp is plugged into a 120 V socket, each coulomb of charge that flows in the circuit is raised to a potential engergy of 120 joules? which offers more resistance to water flow, a wide pipe or narrow pipe? I got wide as my

    asked by erica
  50. Science

    51.0, how many integers are there. I know that there are three in 0.004. I also know that there are five 10.004. But I don't remember if the 0 after the . counts or not.

    asked by Shleee
  51. CALCULUS

    how would you differentiate ln ln ln x, and what would be the domain??

    asked by Kyle
  52. Biology - Diffusion

    I know diffusion is movement of matter from high to low concentration. Does that mean that it will try to make the molarity of both sides equal?

    asked by JJ
  53. science-plz help!

    why is it that when water is decomposed through a process call electrosys (when electricity is put through water)there is more volume of hydrogen than oxygen produced?

    asked by haya
  54. Biology

    What is the function of tRNA?

    asked by Jen
  55. REPOST: Teen Suicide

    Posted by Wenmar on Thursday, October 25, 2007 at 9:40pm. I have to do a term paper on Teen Suicide. Here is our format: I. Title Page II. Table of Contents III. History of Problem IV. Who's affected V. Signs of Problem VI. Agency VII. Treatment VIII.

    asked by Wenmar
  56. Algebra

    My homework is to solve by completing the square. But how can you complete the square on this problem? -3x^2 + 7x - 8 The -3 doesn't factor out.

    asked by kaylee
  57. history

    How long were the Americans able to hold the Alamo?

    asked by shelley
  58. government

    What is the difference between a totalitarian and a communist government? Thank you!

    asked by Abigail
  59. AP PHYSICS >>>please help

    HOW WOULD YOU integrate this equation between zero and pi/2 1/(1+(tan^2008)xdx

    asked by BOBBY
  60. Calculus Bonus

    Form two four-digit numbers from the digits 2, 3, 4, 5, 6, 7, 8, and 9, using each digit exactly once, so that the absolute value of the difference of the two numbers is as small as possible. Confused need to double check with you all.

    asked by Matt
  61. statistics

    3. Prove (not show) that following two methods, long and short respectively, to compute the population variance yield the same result. ? (x i - ?) 2 / n, where i = 1, n ? (x i 2 - (? x i) 2) / n, where i = 1, n

    asked by sophia
  62. History repost for Julie

    History - julie, Thursday, October 25, 2007 at 7:31pm umm i need help ahh how old was elvis presley when he became famouse

    asked by Ms. Sue
  63. statistics

    Given the ensuing well drilling data, answer the following. [Reference: #4.78, page 172] • .30 (30%) probability of a productive well absent test information • Pre-drilling ballistics test ‘s affirmative result correctly predicts a productive well

    asked by sophia
  64. Autonomous Language

    Which example characterizes the use of autonomous language? I am thinking example A,but I'm not sure 1. Mary,age four,says to her mother, "I would like a banana,please," instead of pointing or using other sounds and gestures to get the banana. 2. When

    asked by Anonymous
  65. science

    What are the definitions for rock and mineral?

    asked by matt
  66. engish

    when you write a paper setting,plot,characters,climax,and what else..........??

    asked by berenice
  67. social studies

    I have an assignment to write 3 paragraghs on age of exploration and age of colonization. I cannot find any material on them ,what can i do because when i type in the name it comes up with shopping stuff?

    asked by josh
  68. Soc. studies

    what chemical was used to embalm the organs?

    asked by Rachel
  69. Microeconomics

    Could someone please show me how to solve for P and qs in the below problem. P= 50 + 6qs

    asked by Binnie
  70. mathematics

    What is something that is about or exactly a dekaliter?

    asked by matt
  71. biology

    how does cellulose adapt to its function!? i think it has something to do with there being a strong cell wall. however im am unsure. please could somebody help me thanks

    asked by mark
  72. social studies

    What is a dissenter?

    asked by j
  73. social studies

    Describe the Great Migration.

    asked by martha
  74. physics

    a telephone engineer feeds a sound signal into the mouthpiece of a telephone.As part of the tests he is making he incresesthe frequency of the sound.HOW WILL THIS EFFECT TYE ELECTICAL SIGNAL PASSING ALONG THE TELEPHONE WIRE?

    asked by sana
  75. Math!!

    for my project i have to make a slogan or a catchy phrase for the word circle please HELP!!!!!!!!!!!!!!!!!!!!!!! thank you!!1

    asked by Anonymous
  76. statistics

    Given the ensuing well drilling data, answer the following. • .30 (30%) probability of a productive well absent test information • Pre-drilling ballistics test ‘s affirmative result correctly predicts a productive well .70 of the time •

    asked by sophia
  77. Algebra II

    Find g(f(x)) and f(2g(x)) where f(x)=2x^2-1 and g(x)= the absolute value of x-1

    asked by Sean
  78. organic chemistry

    EAS reactivity. I am comparing two benzene rings. One has an NO2 group attached to it and the other has a C(=0)CH3 attached to it. I understand they are both deactivating groups so they are low in reactivity but how do I know which of the two is the least

    asked by AMY
  79. physics

    A particle moves with constant speed of 3m/sec along path y=3x^2 What is the acceleration of the particle at x=1.5m?

    asked by david
  80. algebra

    wat is the value of f(3)..... (function value)

    asked by Patty
  81. Language

    What is a proper noun

    asked by Joe
  82. SCIENCE!! PLEASE HURRY I HAVE TO DO IT NOW!

    why are off-highway vehicles so damaging to desert soils?well i have to create a pamphlet on why they are so damaging to the desert soils...

    asked by Faith
  83. mathematics

    What is something that is about or exactly a centigram?

    asked by matt
  84. Government/Social Studies

    I have to locate information about racially motivated events and/or crimes that occurred between 1980 - 2000, that resulted in changes in the law or school policies. Where do I start? Please help!!

    asked by Irene
  85. Scienc

    World poplation grow each year,does this mean the mass off earth increases each year? Why?

    asked by Nazharia Zehr
  86. Science

    does the brain atoms that were once apart of albert einsteins?

    asked by Nazharia Zehr
  87. mathematics

    What is something that is about or exactly a kiloliter?

    asked by matt
  88. eiglish lit

    The hound of baskervill - What is the significance of the hound? How does it represent Darwin's theory phernology-is the hound natural or cultural why is the hound compared to both criminal and dictective

    asked by john
  89. science

    name some of the simple machines!!!

    asked by Jessica
  90. math

    it is greater than 43 and less than 52. if you add the digits the sum is 8 write the number word

    asked by lily
  91. MAth B

    How do you simplify this? --- --- / 1 / 5/ - * /18 / 3 / The hyphens and slashes are meant to be radical signs. Thank you!

    asked by Jon
  92. Algebra II

    Find g(f(x)) Where f(x)=2x^2-1

    asked by Sean
  93. Algebra II

    Solve the inequality: 3[m-4]>6. []=the straight lines indicating inequality. Thanks for the assistance.

    asked by Lucy
  94. Legal and Ethical

    A con lobbyist argue that a higly regulated environment makes health care and human service delivery too complex and beaucratic, reducing the quality of care to clients. How can I write a 350 word response and what should I say agreeing with this. Could

    asked by please help me, I am so confused
  95. English

    Hai!!! I really need help with Page 3 of Curious George goes to a chocolate factory. When I searched in google books, it didn't tell me the page 3. Pls do help me... Thx for helping me.. ^-^

    asked by Jimmy
  96. mathematics

    What is something that is about or exactly a centiliter?

    asked by matt
  97. mathematics

    What is something that is about or exactly a decigram?

    asked by matt
  98. integers

    -26 + (-13) rewrite each expression without double signs then simplify

    asked by Barbara
  99. home economics

    what are some career that help family during labor of patient

    asked by erika
  100. math

    Does anyone know what function value is and can someone show me an example? Thanks for helping

    asked by Madison
  101. English

    How is himself a relative pronoun?

    asked by Brooke
  102. English Expressions

    1. I have to study at Jonny's class. 2. I have to study in Jonny's class. Which preposition is right?

    asked by John
  103. Financial Management

    How would you compare "theoretical price or (Po) to Stock Quote or (P)? Any help would be appreciated

    asked by Jo
  104. social studies

    Describe England in the 1620s.

    asked by missy
  105. PHYSICS

    integrate(1/(1+(tan^2008)x)dx) between zero and pi

    asked by *JASMINE*
  106. science

    how to draw a sedimentary rock with at least 4 layers?

    asked by chris
  107. algebra 1

    ok it goes 15/m+3 = 5/m how do i do that

    asked by cara
  108. mathematics

    What is something that is exactly or about a miligram?

    asked by matt
  109. mathematics

    What is something that is about or exactly a mililiter?

    asked by matt
  110. mathematics

    What is something that is about or exactly deciliter?

    asked by matt
  111. history

    what are three reasons to how nationalism developed fifferently in eastern and western europe?

    asked by kelly