Tara

Most popular questions and responses by Tara
  1. English.. Literature... books

    can u give me multiple choice questions from the "examview" on the story "A Noiseless Flash" from Hiroshima by John Hersey ... i really need to practice this selection. Plz if u can, copy and paste the questions because the link you might send me would not

    asked on March 11, 2011
  2. finance

    You have credit card debt of $25,000 that has an APR (monthly compounding) of 15%. Each month you pay minimum monthly payment only. You are required to pay only the outstanding interest. You have received an offer in the mail for an otherwise identical

    asked on July 12, 2010
  3. Physics

    Original Question: A block hangs in equilibrium from a vertical spring. When a second identical block is added, the original block sags by 5.00 cm. What is the oscillation frequency of the two block system? bobpursley s'ltn: F=kx = mg x=mg/k but for the

    asked on January 11, 2011
  4. statistics

    a company manufactures batteries in batches of 18 and there is a 3% defect rate. Find the standard deviation for a number of defects per batch?

    asked on May 12, 2012
  5. Calculus

    a piece of wire 12 ft. long is cut into two pieces. one piece is made into a circle and the other piece is made into a square. Let the piece of length x be formed into a circle. allow x to equal 0 or 12, so all the wire is used for the square or for the

    asked on July 3, 2012
  6. Algebra

    Use integer values of x from –3 to 3 to graph the equation y = –|–x|.

    asked on April 13, 2018
  7. physics

    A small block is released from rest at the top of a frictionless incline. The distance from the top of the incline to the bottom, measured along the incline, is 3.60 m. The vertical distance from the top of the incline to the bottom is 1.36 m. If g = 9.80

    asked on January 29, 2014
  8. Physics

    A block hangs in equilibrium from a vertical spring. When a second identical block is added, the original block sags by 5.00 cm. What is the oscillation frequency of the two block system?

    asked on January 11, 2011
  9. physics

    By accident, a large plate is dropped and breaks into three pieces. The pieces fly apart parallel to the floor, with v1 = 3.05 m/s and v2 = 1.95 m/s. As the plate falls, its momentum has only a vertical component, and no component parallel to the floor.

    asked on February 25, 2016
  10. Physics

    An airplane is flying in a horizontal circle at a speed of 514.8 km/h. The plane is banked for this turn, its wings tilted at an angle of 41.6° from the horizontal. Assume that a lift force acting perpendicular to the wings acts on the aircraft as it

    asked on September 26, 2012
  11. physics

    Adolf and Ed are wearing harnesses and are hanging at rest from the ceiling by means of ropes attached to them. Face to face, they push off against one another. Adolf has a mass of 104 kg, and Ed has a mass of 80 kg. Following the push, Adolf swings upward

    asked on February 25, 2016
  12. chemistry

    calculate the pH of a 1.94M solution of nitrous acid (HNO2 - ka = 4.5E-4).

    asked on December 15, 2010
  13. Physics

    3. Yellow light travels through a glass block at a speed of 1.97x108 m/s. The wavelength of the light in this type of glass is 3.81x10-7 m. What is the frequency of yellow light?

    asked on February 24, 2014
  14. Math

    Kamala had 5,026 grams of flour in a canister. She brought a 4,157 gram bag of flour. She poured some flour from the bag to the canister. As a result, the mass of the flour in the canister is now twice the mass of the flour left in the bag. How much flour

    asked on January 12, 2012
  15. Religion

    What song(s) could one play illustrating the Moral Development Theory by Lawrence Kohlberg?

    asked on March 31, 2009
  16. Arithmetic

    The first, second and third terms of a geometric progression are 2k+3, k+6 and k, respectively. Given that all the terms of geometric progression are positive, calculate (a) the value of the constant k (b) the sum to infinity of the progression.

    asked on June 16, 2014
  17. chemistry HELP

    laboratoories order hydrochloric acid as a concentrated solution (e.g. 36% W/V). what initial volume of concentrated laboratory hydrochloric acid should be diluted to prepare 5.00L of a 0.12 mol/L solution for an experiment? plz can someone show me how to

    asked on December 9, 2010
  18. Religion

    What movie(s) could one show illustrating the Moral Development Theory by Lawrence Kohlberg?

    asked on March 30, 2009
  19. physics

    The brightest light detected from the star Antares has a wavelength of about 103 nm. What is the frequency of this light?

    asked on May 9, 2010
  20. chemistry

    testing bronsted lowry reaction predictions...... im super stuck can someone help me steo by step how to figure this out assuming i use the 5 step process? write a balanced chemical equation for ch3coona and hcl reaction position of equilibrium. I know

    asked on November 20, 2012
  21. Physics

    A Ping-Pong ball has a mass of 2.3 g and a terminal speed of 8.2 m/s. The drag force is of the form bv2 What is the value of b?

    asked on September 26, 2012
  22. physics

    Four masses are positioned at the corners of a rectangle, as indicated in the figure below (not to scale). (a) Find the magnitude and direction of the net force acting on the 2.0 kg mass if x = 0.40 m and y = 0.12 m. (b) How do your answers to part (a)

    asked on November 27, 2011
  23. Math

    If a cat has 5 kittens, what is the probability that all 5 will be female?

    asked on April 9, 2008
  24. Sociology

    What aspects of the social and work environment in a fast food restaurant would be of particular interest to a sociologist because of his or her sociological imagination?

    asked on January 31, 2010
  25. Adv Algebra and Financial Apllications

    The yearly attendance at a local movie theatre is 56,000 and grows continuously at a rate of 4.2% each year. What is the approximate attendance at the movie theatre in nine years? A: 57,789 B: 77,789 C: 81,096 D: 81,724

    asked on August 30, 2017
  26. Math 4th Grade

    Adult Tickets are $5 Child Tickets are $2 There are twice as many children as adults at the concert. The total amount collected was $1,080. How many adults are at the concert?

    asked on January 25, 2012
  27. Trig

    Simplify sin x cos^2x-sinx Here's my book's explanation which I don't totally follow sin x cos^2x-sinx=sinx(cos^2x-1) =-sinx(1-cos^2x) =-sinx(sin^2x) (Where does sine come from and what happend to cosine?) =-sin^3x

    asked on January 4, 2010
  28. 4th grade

    write a number pattern for 8 starfish if each has 5 arms.

    asked on December 16, 2009
  29. Organic Chemistry - Refractive Index

    Hi, I have a question that I don't know if I am on the right track to answering. If two samples of organic liquids give the same refractive index reading, are the two liquids the same? I know the refractometer is a very precise instrument - up to 8 decimal

    asked on October 15, 2008
  30. Math

    4 accounting majors, 2 economics majors and 3 marketing majors have an interview for5 different positions with a large company. Find the number of dfferent ways that 5 of these could be hired. 4 accounting majors must be hired first then the final position

    asked on September 3, 2013
  31. BOOKS.. english

    Explain how John Hersey blended characteristics of fiction and nonfiction in Hiroshima. How does this combination of genres help Hersey convey his feelings about the atomic attack on Hiroshima? Write a short essay that explains your answer. Support your

    asked on March 11, 2011
  32. math 2nd grade

    Need to find the rule for the following letters: AEFHIKLMN BCDGJOP

    asked on May 6, 2010
  33. math check please

    1.Write 4x4x4x4x4 as a power of 4. Answer: 4^5 2. Evaluate. 72 divide 8-9 divide 3 Answer: 0 3. Give the place value for the indicated digit 8 in the number 138,350 Answer: Thousands 4. Fencing a rectangular field that measures 37 ft by 27 ft How much

    asked on February 7, 2007
  34. Precal

    I got this far, but now I'm stuck...please help 6cos^2theta - 5cos(theta) + 1 = 0 6cos^2theta - 5cos(theta) = -1 cos(theta) * {6cos(theta) - 5} = -1

    asked on April 27, 2009
  35. physics

    A 3.28-kg bucket is attached to a disk-shaped pulley of radius 0.108 m and mass 0.727 kg. (a) If the bucket is allowed to fall, what is its linear acceleration? (b) What is the angular acceleration of the pulley? (c) How far does the bucket drop in 1.65 s?

    asked on November 17, 2011
  36. Physics

    A 84.0-kg airplane pilot pulls out of a dive by following, at a constant speed of 163 km/h, the arc of a circle whose radius is 312.0 m.

    asked on September 26, 2012
  37. Physics

    As a civil engineering intern during one of your summers in college, you are asked to design a curved section of roadway that meets the following conditions: When ice is on the road, and the coefficient of static friction between the road and rubber is

    asked on September 26, 2012
  38. Math

    Start at 5. Create a pattern that multiplies each number by 3 and subtracts 2. Stop when you have 5 numbers.

    asked on September 28, 2018
  39. american history

    Which of the following distinguished the Middle Colonies from New England and the Southern Colonies?

    asked on May 1, 2012
  40. calculus

    an airplane flying due east at 400 km/h pasess over an airport 12 minutes before a second plane flying south 30 degrees west at 500 km/h.if the airplanes are at the same altitude how fast will they by seprating when the seccong pane is over the

    asked on March 17, 2011
  41. chemistry lab titration

    10.0 mL aliquot of 0.100M Na3AsO4 is titrated with 0.100M HCl. pKa1=2.25 pKa2=6.77 pKa3=11.60 Sketch the titration graph by calculating the pH at 0mL, 5mL, 10mL, 15mL, 20mL, 25mL, 30mL, 40mL of HCl.

    asked on April 7, 2010
  42. Trig

    I'm trying to find out which quadrant some trigonometric functions lie in. The problem is one of them is equal to zero, and zero is neither positive or negative. How do I determine which quadrant it belongs in then???

    asked on January 4, 2010
  43. Pre-Calculus

    he amount M (in billion of dollars) of mortgage debt outstanding in the US from 1990 to 2001 can be approximated by the function M(t)= 29.9t^2 + 3892 where t=0 represents 1990. Rewrite the function so that t=0 represents 2000.

    asked on February 16, 2015
  44. accounting-income tax

    During the current year, Deborah Baronne, a single individual, paid the following amounts: Federal income tax $10,000 State income tax $4,000 Real estate taxes on land $1,400 State sales tax $2,000

    asked on September 1, 2013
  45. Physics

    A rock perched on the edge of a cliff falls off.  It starts from rest, and falls freely for 1.48 seconds before reaching the ground at the base of the cliff.   What is the speed of the stone just before it hits the ground?

    asked on September 18, 2016
  46. statistics

    An instructor in a large lecture class found at the end of the semester that total points scored by students in his class was approximately Normal with mean 530 and standard deviation 80. If 10% of the class are to receive A's (he grades on a curve), what

    asked on October 23, 2014
  47. physical

    Two skaters, a man and a woman, are standing on ice. Neglect any friction between the skate blades and the ice. The mass of the man is 84 kg, and the mass of the woman is 68 kg. The woman pushes on the man with a force of 50 N due east. Determine the

    asked on February 13, 2013
  48. chem

    how do you Convert moles S2O3^-2 to moles I2

    asked on April 4, 2011
  49. chemistry

    A 1.2431 -g alloy sample was analyzed for its copper content iodometrically. The alloy was dissolved in hot, concentrated nitric acid and prepared for analysis. The addition of excess KI(aq) solution precipitated the copper as cuprous iodide and liberated

    asked on April 4, 2011
  50. chemistry

    consider the reaction: CO (aq) + Cl2 (aq) --> COCL2 (aq). Calculate Delta G at non standard conditions for the reaction at 298.15k, if the concentration of COCl2 is reduced to 0.01832M, while the concentrations of CO and cl2 remain at 1M. Delta G rxn =

    asked on November 22, 2010
  51. chemistry

    When 2.53 g of NaOH(s)(40.0g/mol) dissolves in 100.0 g of water, the temperature of the solution changes from 20 degrees C to 26.3 degrees C. Calculate qrx in KJ/mol specific heat of the solution is 4.18 J/(g*K)

    asked on October 27, 2010
  52. writing sentences and paragraphs

    you've applied for a specific job in your field of study .The human resources department arranges an interview and tells you to bring a polished piece of writing for them to evaluate your writing skills

    asked on January 20, 2009
  53. Algebra

    Mildred makes $3 an hour babysitting and $6 an hour when she works at Wendys. Her parents do not want her working more than 20 hours per week. Mildred would like to earn at least $70 a week. Write a system of inequalities that show the number of hours she

    asked on February 5, 2012
  54. Chemistry

    Calculate the mass of Glauber's salt needed to lower the temp of air in a room by 6.3 C. The mass of air in the room is 555.4 kg, the specific heat is 1.2J/g-c

    asked on October 24, 2011
  55. elements of calculus

    cost, revenue, and profit are in dollars and x s the number of units cost: if the cost function for a particular good is C(x)= 3x^2 +6x + 600, what is the (a) marginal cost function (b) marginal cost if 30 units are produced? (c) interpretation of your

    asked on October 11, 2011
  56. chemistry

    A student determined the chloride content of a commercial salt by using the Mohr method. A 0.5324 -g sample of the salt was dissolved in distilled water and diluted to a final volume of 250. mL. A 25.-mL aliquot of the analyte solution was then titrated

    asked on April 4, 2011
  57. Biology

    You find an unusual organism growing on the bark of a dying tree. Under a microscope, you observe that its cells are eukaryotic, have cell walls, and do not contain chloroplasts. Into what kingdom would you classify this organism? Explain your decision.

    asked on March 8, 2011
  58. Chem, LAST ONE PLEASE HELP!

    consider the reaction: CO(aq) + Cl2 (aq) --> COCl2 (aq). Calculate Delta G at non standard conditions. T = 298.15K. Concentration of COCl2 is reduced to 0.01832 M while the concentrations of CO and Cl2 remain 1M. Delta G rxn = -67.4 kj.

    asked on November 24, 2010
  59. chemistry

    For the voltaic cell Cr(s)/Cr3+(aq)//Ni+2 (aq)/Ni(s), list the reactions at the cathode, anode, and the overall net reaction.

    asked on November 24, 2010
  60. chemistry

    For a certain reaction, Delta H(not) = -76.8 kj and delta S(not) = -217 j/k. If n =3, calculate E for the reaction at 25degrees celcius.

    asked on November 22, 2010
  61. math

    837 divided by f = 31

    asked on November 11, 2010
  62. chemistry need help plzzz tomorrow is a TEST!!!

    phosphoric acid is the active ingredient in many commercial rust-removing solution.calculate the volume of concentrated phosphoric acid (14.6 mol/L)that must be diluted to prepare 500mL of a 1.25 mol/L solution. how can i calulate the volume cocentration

    asked on December 9, 2010
  63. physics

    A two-stage rocket moves in space at a constant velocity of 4800 m/s. The two stages are then separated by a small explosive charge placed between them. Immediately after the explosion the velocity of the 1290-kg upper stage is 5600 m/s in the same

    asked on February 23, 2016
  64. chemistry

    For a certain reaction, Delta H(not) = -76.8 kj and delta S(not) = -217 j/k. If n =3, calculate E for the reaction at 25degrees celcius.

    asked on November 24, 2010
  65. algebra

    d=55t solve for t: help me to understand how to do this

    asked on April 21, 2010
  66. Physics

    A diver jumps off of a diving board.  She leaves the board with a velocity of 3.70 m/sec in the upward direction.  How far will she rise above the diving board before she reverses her motion and starts to fall downward?

    asked on September 18, 2016
  67. AppliedStats

    Suppose that you bought a stock 6 years ago at $12 . The stock’s price at the end of each year is shown here. Year 1 2 3 4 5 6 Price 10 14 15 22 30 25 a) Compute the rate of return.

    asked on February 13, 2016
  68. math

    A recipe calls for 4 part club soda to 3 part juice, how much juice is needed for 32 Oz of club soda?

    asked on December 18, 2014
  69. Statistics

    The next three questions refer to the following situation. Data from previous years reveal that the distribution if first exam scores in an introductory statistics class is approximately normal with a mean of 72 and a standard deviation of 12. 16) Given

    asked on August 24, 2013
  70. Math

    Alice is three times as old as Jack. In 10 years she will be twice as old as Jack. How old are Alice and Jack now? How old will they be in10 years

    asked on January 23, 2013
  71. CHEM

    Cl2 + SO2 + 2 H2O --> 2 Cl^1- + SO4^2- + 4 H^1+ 1) Which element is oxidized ? (simply write the element symbol; e.g. Fe, O) 2) How many electrons are lost by each atom ? (1, 2, 3) 3) Which element is reduced ? 4) How many electrons are gained by each atom

    asked on February 12, 2012
  72. Personality Psychology

    what is the difference between distortion and displacement?

    asked on January 24, 2012
  73. Chemistry

    What is the maximum mass of S8 that can be produced by combining 92.0g of reactant? 8SO2 + 16H2S -> 2S8 + 16H2O

    asked on September 18, 2011
  74. Trig

    Solve: 3tan^2x-1=0. I got +/- (the sq. root of 3)/3 which is correct according to my study guide. However, I don't know how to use the unit circle to find this. The copy of the unit circle which I have does not have tangent values listed, only sine and

    asked on January 7, 2010
  75. physics

    The lead female character in the movie Diamonds Are Forever is standing at the edge of an offshore oil rig. As she fires a gun, she is driven back over the edge and into the sea. Suppose the mass of a bullet is 0.011 kg, and its velocity is +731 m/s. Her

    asked on February 25, 2016
  76. Math

    Renting a truck cost $30 per day and 22 cents per mile when the driver goes beyond the 23 miles a lot of per day. How much wood Tabitha pay when renting a truck for 3 days and driving a total of 210 miles?

    asked on July 14, 2015
  77. physics

    Using a rope, a child pulls a box across a rough floor at a constant speed. The tension in the rope is 105 N and the rope makes an angle of 37 degrees with the horizontal. Find the friction force acting on the box (due to the rough floor).

    asked on June 9, 2015
  78. chemistry- What does this symbol mean

    if there is an E symbol with a slash through it on an ICE chart what does it stand for?

    asked on November 25, 2012
  79. Physics

    A 150-g block is projected up a ramp with an initial speed of 5.6 m/s. The coefficient of kinetic friction between the ramp and the block is 0.23.

    asked on September 26, 2012
  80. reading

    is there anywhere i can read the story "my first free summer" by julia alvarez online?

    asked on September 12, 2012
  81. Chemistry

    What is the maximum mass of S8 that can be produced by combining 92.0g of reactant? 8SO2 + 16H2S -> 2S8 + 16H2O

    asked on September 18, 2011
  82. chemistry

    a buffer is made by mixing 0.1 moles of acetic acd a sodium acetate in 500 ml of solution. determine the pH of the buffer. (Ka for acetic acid - 1.8E-5)

    asked on December 15, 2010
  83. chemistry

    Calculate the Delta G(not) for the reaction: C(s) + CO2 (g) --> 2 CO Delta Gf : CO2 = -394.4 kj/mol Delta Gf : CO = -137.2 kj/mol

    asked on November 22, 2010
  84. Chemistry

    Phenylcarbinol is used in nasal sprays as a preseriative. A solution of 0.52g of the compound in 25.0g of water has a melting point of -0.36C. What is the molar mass of phenylcarbinol?

    asked on October 6, 2010
  85. Chemistry

    Aluminum sulfate reacts with barium chloride to yield barium sulfate and aluminum chloride. What mass of barium sulfate is produced from 650 mL of 0.320 M of aluminum sulfate? Thank you.

    asked on September 27, 2010
  86. PreCalc

    Chase Quinn wants to expand his cut-flower business. He has 12 additional acres on which he intends to plant lilies and gladioli. He can plant at most 7 acres of gladiolus bulbs and no more than 11 acres of lilies. In addition, the number of acres planted

    asked on November 16, 2009
  87. Science

    How can I find the potential difference? It's a parallel circuit. R1, R2 and R3 is 0.3 and the current is 8.0. Is the volts 8.8?

    asked on March 24, 2015
  88. Algebra

    $730 at 5.5% compounded quarterly for 6 years

    asked on February 17, 2014
  89. Math

    A flat screen television is sized depending on the length of the diagonal (ex: a 40 inch flat screen has a 40 inch diagonal ). If a 32 inch television has a width that is 5 inches longer than its length. Determine the dimensions of the television (using

    asked on November 24, 2013
  90. chemistry 30 concentration of a product

    calculate the concentration of the products of the following equilibrium when the equilibrium constant is 12.3 and the equilibrium concentration of nobr2 is 2.17 mol/l

    asked on November 6, 2012
  91. Physics

    In the figure below, m1 = 3.8 kg, m2 = 5.2 kg, and the coefficient of kinetic friction between the inclined plane and the 3.8-kg block is μk = 0.3. Find the magnitude of the acceleration of the masses and the tension in the cord.

    asked on September 26, 2012
  92. math

    what is 14 decreased to 12

    asked on February 15, 2012
  93. chemistry

    Ethylene glycol (antifreeze) has a specific heat of 2.42 J/(g*K). Calculate q when 3.65 kg of ethylene glycol cools from 240 degrees C to 78 C

    asked on October 27, 2010
  94. Physics

    The energy of a photon is directly proportional to its..... I think it may be frequency. Is that correct?

    asked on March 28, 2008
  95. Calculus

    what is the definite integral of 1) Upper boundry 4 Lower boundry 0 Problem: x/ square root of 1+2x) dx 2) Upper boundry 1/2 Lower boundry 0 Problem: sin^-1x / square root of 1-x^2) dx 3) upper boundry 4 lower boundry 1 Problem: e^square root of x/ square

    asked on December 5, 2007
  96. Chemisty

    By titration it is found that 12.1 mL of 0.130 M NaOH(aq) is needed to neutralize 25.0 mL of HCl(aq). Calculate the concentration of the HCl solution.

    asked on April 27, 2016
  97. physics

    A lumberjack (mass = 98 kg) is standing at rest on one end of a floating log (mass = 235 kg) that is also at rest. The lumberjack runs to the other end of the log, attaining a velocity of +3.2 m/s relative to the shore, and then hops onto an identical

    asked on February 23, 2016
  98. college algebra

    Find all real solutions of the equation. (Enter your answers as a comma-separated list. If there is no real solution, enter NO REAL SOLUTION.) x4 + 27x = 0

    asked on September 5, 2013
  99. English

    Culture diversity/a mobile workforce command creative leadership, new partnerships, and innovative approaches to integration? I put Culture diversity/a mobile workforce command creative leadership, new partnerships, and innovative approaches to

    asked on January 19, 2013
  100. Chemistry

    for each of the following, give an answer with the correct number of significant figures: A. 400 times 185 b. 2.40 divided by 4 times 125 c. 0.825 times 3.6 times 5.1 d. 3.5 times 0.261 divided by 8.24 times 20.0

    asked on January 15, 2013

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