Elaine

Most popular questions and responses by Elaine
  1. physics

    A 20kg traffic light hangs midway on a cable between two poles 40meters apart. If the sag in the cable is .4 meters, what is the tension in each side of the cable?

    asked on October 19, 2008
  2. physics

    A stone is dropped from a 75 m high building. when this stone has dropped 15m, a second stone is thrown downward with an initial velocity such that two stones hit the ground at the same time. find a. time taken for the first stone to fall 75m. (b) the time

    asked on October 19, 2010
  3. english

    Some people are so ____ living near a nuclear plant that they want the plant's license to be ___. They say the plant threatens ever homeowner's right to safety.

    asked on February 24, 2013
  4. Computers(Java Programming)

    Service Class: Lottery Write a Lottery class that simulates a lottery. The class should define an array of five integers named lotteryNumbers. The constructor should use the Random class (see the Java API) to generate a random number in the range of 0 to

    asked on September 8, 2009
  5. Statistics

    The percentage of various colors are different for the "peanut" variety of M&M's candies, as reported on the Mars, Incorporated website. Brown: 12% Yellow: 15% Red: 12% Blue: 23% Orange: 23% Green: 15% A 14-ounce bag of peanut M&M's is randomly selected

    asked on March 28, 2015
  6. Math

    You begin to fill a bucket with water at 9 am. Each minute you double the amount of water in the bucket. If it takes you 1 hour to fill the bucket, at what time is the bucket one-quarter full?

    asked on April 3, 2017
  7. Chemistry

    a 25.0 mL sample of .050 M solution of aqueous trimethylamine is titrated with a .063 M solution of HCl. calculate pH the solution after 10.0 mL, 20.0 mL, 30.0 mL of acid have been added. pKb of (CH3)_3_N= 4.19 at 25 degrees C

    asked on November 11, 2012
  8. English

    Change the italicized clause to nominative absolute. As the game was over the contestants quietly filed out of the room

    asked on January 18, 2016
  9. PHYSICS

    A proton is confined to a nucleus whose diameter is 5.5*10^-15m. If this distance is considered to be the uncertainty in the position of the proton, what is the minimum uncertainty in its momentum? I don't really get the uncertainty concept, and how can I

    asked on April 29, 2008
  10. Physics

    The force shown in the figure moves an object from x = 0 to x = 60 m, where the interval between vertical dashed lines is 20 m. (a) How much work is done by the force? (b) How much work is done by the force if the object moves from x = 20 to x = 60 m? (IN

    asked on July 14, 2010
  11. physics

    A stone is dropped from a 75 m high building. when this stone has dropped 15m, a second stone is thrown downward with an initial velocity such that two stones hit the ground at the same time. find a. time taken for the first stone to fall 75m. (b) the time

    asked on October 19, 2010
  12. 3rd grade-art

    In the art piece "Diego on My Mind" by Frida Kahlo, what can be inferred or concluded about the artist based on this painting? Use`details in the painting to support the ideas.

    asked on January 8, 2009
  13. Math

    The front door of a house is 80 inches tall. What is the volume of the door? Top is 2 in. the length is 36 in. What is the volume of the door? A bedroom door in the house has the same dimensions as the front door, but the length is 30 inches rather than 36

    asked on April 14, 2018
  14. Finance

    5.3 The manager of a large computer network has developed the following probability distribution of the number of interruptions per day: Interruptions (X) P1X2 0 0.32 1 0.35 2 0.18 3 0.08 4 0.04 5 0.02 6 0.01 a. Compute the expected number of interruptions

    asked on November 27, 2012
  15. PHYSICS

    how far apart are two point charges of 5.0x10^-6 C and 6.0x10^-6 C if they produce an electric force on each other of 0.62 N?

    asked on February 6, 2016
  16. Chemistry

    How many milliters of 1.80M HCl are required to react with 30.0 grams of calcium hydroxide according to the given equation: CA(OH)2(s) + 2HCl(aq)> CaCl2(aq) + 2H2O(l)

    asked on April 3, 2011
  17. ALGERBRA

    CAN YOU PLEASE TELL ME THE SOLUTION FOR THE FOLLOWING 5X>-4 BUT THE SIGN HAS A LINE UNDER IT I REALLY NEED HELP

    asked on March 29, 2011
  18. Chemistry

    For the given reaction, how many moles of water will be formed starting with 45.0 moles of aluminum hydroxide: 2AL(OH)3(s) + 3 H2SO4 > Al2(SO4)3 + 6H2O

    asked on April 3, 2011
  19. Teacher Aide

    If you're preparing a bulletin board,how many ideas should you try to get across at one time?

    asked on October 28, 2014
  20. 3rd grade-art

    In the painting "Self Portrait" by Judith Leyster. How does the artist feel about herself? Use details in painting to support answer.

    asked on October 16, 2008
  21. calculus

    Use the method of cylindrical shells to find the volume of the solid obtained by rotating the region bounded by the given curves about the x-axis. xy = 2, x = 0, y = 2, y = 4

    asked on March 7, 2017
  22. programming

    Create the logic for a program that calls a method that computes the final price for a sales transaction. The program contains variables that hold the price of an item, the salesperson's commission expressed as a percentage, and the customer discount

    asked on February 18, 2016
  23. Thermodynamics

    The initial state consists of a closed system containing one mole of water (liquid) at 85°C and 1 atmosphere pressure. The immediate surroundings are also at 85°C and 1 atmosphere pressure. The change in state is described as this one mole of liquid

    asked on October 3, 2013
  24. Chemistry

    Assuming all gases are at the same temperature and pressure, how many milliliters of hydrogen iodide are produced from 155 of ?

    asked on November 2, 2012
  25. Physics

    Bob jumps from a 2.0 m high table and wants to jump over a 0.85 m radius ball. How fast must Bob move horizontally to not land on the ball? If we use kinematics equations for projectile, the answer is 2.66 m/s; however, with this velocity the person will

    asked on September 19, 2012
  26. math

    Y^2-4y+3/y^2-9*4y+12/y2-2y+1= 16y^4+36/2y^5+8 check this please

    asked on May 24, 2010
  27. algebra

    One day the temperature dropped from 4 degrees F to -15 dgrees f. How many degrees did it drop?

    asked on December 22, 2009
  28. PHILOSOPHY

    1. Some regular churchgoers believe that taxpayers' dollars should not be used to fund laboratories that carry out tests on animals for medical research. Hence, it is wrong to go on spending taxpayers' dollars for that purpose. Answer: False Cause 2. Yogi

    asked on September 26, 2017
  29. Physics 30

    Two point charges objects produce an electric force on each other of 3.6x10^-2 N. What is the electric force between them if the distance is increased five times?

    asked on February 6, 2016
  30. math

    A turtle starts moving north at 4 feet per minute from a point P. Five minutes later, a snail starts moving south at 2 feet per minute from a point 50 feet due east of P. What is the distance (in feet) between the two animals five minutes after the snail

    asked on September 22, 2014
  31. Materials Transport

    You have a vertical plate which is 20 cm square and 0.75 cm thick. The plate has a thermal conductivity of 4 W/mK. The top edge of the plate is kept at a temperature of 325⁰C, and the bottom edge is kept at a temperature of 275⁰C. The vertical edges of

    asked on September 30, 2013
  32. HCS/552

    How does the Afghanistan opium black market affect the U.S. pharmaceutical industry?

    asked on April 29, 2011
  33. chemistry

    What would the wavelength of radiation whose frequency is 5.75*10 to the 9th cycles per second be? Name the type of radiation it is?

    asked on February 10, 2011
  34. math

    Find the z-score such that the area under the standard normal curve to the left is 0.82. ______ is the z-score such that the area under the curve to the left is 0.82. (round 2 decimal places as need)

    asked on December 3, 2013
  35. Calculus

    assume that f(x)= x^3(x-2)^2 a) find the x-intercepts algebraically b) find all the critical points c) use the first derivative test to determine local minimums and maximums d)find all inflection points e)state the concavity of the graph on appropriate

    asked on April 24, 2012
  36. Math 208

    (x+1)(x+3)=

    asked on February 25, 2012
  37. Chemistry

    For the given reaction, how many moles of ammonia will result from 4.0 moles of nitrogen N2(g) + 3H2(g) > 2NH3(g)

    asked on April 3, 2011
  38. math

    (6x-5y)^2= 36x-25y 6x-5y (4x+5y)^2 16x+25y 4x+5y Please check to see if right. If not corrected for me.

    asked on June 2, 2010
  39. algebra

    Help me solve this problem please, I have tried so many time.I can not seem to get the problem right. x +12 2 x+ 12 < -8 =x +12 > 2 x =4 > -10 is this right

    asked on April 5, 2009
  40. 3rd grade music

    Song, "America" by Neil Diamond. In stanza 7, "Got a dream they've come to share" what does this line mean and what do the people have in common.Use examples from song to support answer.

    asked on November 8, 2008
  41. PHYSICS

    The average kinetic energy of an atom in a monatomic ideal gas is given by KE=3/2kT, where k=1.38*10^-23J/K and T is the Kelvin temperature of the gas. Determine the de Broglie wavelength of a helium atom (mass=6.65*10^-27kg) that has the average kinetic

    asked on April 29, 2008
  42. Math

    A bedroom door in the house has the dimensions as the front door, which is at top 2 in. and the bottom is 36 in. but the length is 30 inches rather than 36 inches. How much greater is the volume of the front door than the bedroom door?

    asked on April 13, 2018
  43. Physic

    A force of 7000N is applied to drag a 500 kg cow across a flat level floor to McSlaughter House. The cow has an acceleration of 2.5 m/s2. (a) what's the weight of the cow? (b) what is the normal force acting on the cow? (c) What is the resultant force that

    asked on March 3, 2017
  44. Materials Transport

    You have a vertical plate which is 20 cm square and 0.75 cm thick. The plate has a thermal conductivity of 4 W/mK. The top edge of the plate is kept at a temperature of 325⁰C, and the bottom edge is kept at a temperature of 275⁰C. The vertical edges of

    asked on September 30, 2013
  45. Calculus

    If x=2sec (theta), express tan(theta) in terms of x.

    asked on February 23, 2012
  46. geometry

    Which is the correct ratio of sides for a 30-60-90 triangle

    asked on December 8, 2009
  47. 3rd grade art

    In the painting "Sunday Afternoon on the Island of La Grande Jatte", by George Seurat, what is the story the painting is telling? What is happening?

    asked on March 31, 2009
  48. 3rd grade art

    In the picture, "Reading to Children" by Mary Cassatt. What is going on in the painting. She has to write a story. We started with, she is reading to the children. They look focused and interested on what she is reading and the teacher says, redo :( can

    asked on October 4, 2008
  49. Physic

    A 25 kg box is set on a flat surface with us=0.62 and uk=0.49. A force of 100N is applied to the box through a rope which makes and angle of 30 degrees with the horizon. (a)what's the component of Fa that is attempting to move the box sideways? (b) what's

    asked on March 3, 2017
  50. Math

    A shaded circle has a diameter of 12 feet. Within the circle, is another white circle with a radius of 2 feet. What is the area of the shaded circle.

    asked on May 17, 2015
  51. Physics

    A baseball with a mass of 150 g is thrown horizontally with a speed of 39.5 m/s (88 mi/h) at a bat. The ball is in contact with the bat for 1.15 ms and then travels straight back at a speed of 45.0 m/s (101 mi/h). Determine the average force exerted on the

    asked on March 2, 2014
  52. Calculus

    I have to use integration by parts to integrate tan^-1 (1/x)dx. I'm not sure what to use as u or dv. We were taught to use uv-integral of (vdu) to do this.

    asked on February 15, 2012
  53. Chemistry

    Calculate the density of 150g of a 25% by wieght solution of sodium chloride dissolved in water and the volume of solution is 145ml.

    asked on January 24, 2012
  54. math

    A motorcycle leaves Colorado Springs traveling north at an average speed of 47 miles per hour. One hour later, a car leaves Colorado Springs traveling south at an average speed of 54 miles per hour. How long after the motor cycle leaves will it take until

    asked on May 31, 2011
  55. Logic

    Need help supplying proo f for the following problem using the rules of inference 1. (Z.Y)> X 2. ~O>Z 3. ~Y>O 4. ~O.T /S

    asked on May 16, 2011
  56. alegebra

    a cellular phone company offers a contract for which the cost C, in dollars, of t minutes of telephoning is given C=0.25(t-500)+80.95, where it is assumed that t>=500 minutes. What times will keep cost between $123.45 and $146.95?

    asked on May 2, 2010
  57. analogy

    accept:except:threw:?????

    asked on January 5, 2010
  58. 4th grade-music

    In the song, "Somebody" by Reba M cEntire, I have to retell the story bein told in the song. Is the song about finding somebody special to fall in love with?

    asked on September 22, 2009
  59. algebra

    I need help with these problem someone told me that you was not helping them. Please help me!! 5/4x +1/8x=11/8 +x The solution is x= Solve by the elimination method. 4x +5y=5 8x +10y=10 What is the solution of the system.

    asked on April 7, 2009
  60. Algebra

    Find the y-intercept and the x-intercept for the equation. -6x+y=22 What is the y-intercept. Type an ordered pair. y is (0,3) What is the x-intercept, Type an ordered pair. x is (0,0) Could check this problem to see if right.

    asked on March 6, 2009
  61. 3rd grade

    Have to create a diary entry using the same characteristics from the song, "diary" by David Gates? Not sure how to approach. Please help. Thank you

    asked on February 25, 2009
  62. 3rd grade-math

    When counting blocks and they ask for standard form, what do they mean? What is standard form?

    asked on January 31, 2009
  63. 3rd grade music

    In the song, "Just My Imagination" by the Temptations, what is the main idea? Supporting details?

    asked on November 23, 2008
  64. Early Childhood Ed.

    I have a question but think I know the right answer. Just need someone to verify. Which is not an example of the typical toddler behavior? 1.toddlers are fairly capble of self-feeding 2.toddlers don't like food mixtures 3.toddlers show decided food

    asked on April 21, 2007
  65. Project Management

    . What tools and techniques are or could be utilized within your Company to identify project risks? What have been or would be the advantages? Risk is most often identified in delivery dates of material (and engineering services). A weekly review of all

    asked on November 14, 2006
  66. chem 30

    When 7.5 g of ethane was completely burned, all the heat produced was used to heat 1.50 kg of water. If the temperature of water rose from 20EC to 80EC, the heat of combustion of ethane is

    asked on January 24, 2016
  67. alegebra

    A turtle starts moving north at 4 feet per minute from a point P. Five minutes later, a snail starts moving south at 2 feet per minute from a point 50 feet due east of P. What is the distance (in feet) between the two animals five minutes after the snail

    asked on September 22, 2014
  68. Anatomy

    A ________ are designed to alleviate friction that may be caused by accessory structures, like a tendon, during movement of a synovial joint.

    asked on October 3, 2013
  69. sentence@spelling

    which one of the following fragment is a prepositional phrase going to cliveland. listeningto her heart. cmopleted her assigment. during the darkest. night.

    asked on July 23, 2013
  70. Calculus

    Integrate [1/square root of(e^(2x)-1)]. I have to use u substitution. We are doing the integrals of inverse trig functions, but I cannot get it to work out!

    asked on February 5, 2012
  71. logic

    I need help proving these arguments using rules of inference, please. (S>B) > (SvK) (Kv~D) ~ (H>S) ~S.W / ~H ~A > (B>~C) ~D > (~C >A) D v ~A ~D

    asked on May 18, 2011
  72. COM/155

    When writing a paragraph, it is important that the topic sentence and supporting points within that paragraph be directly related. What would be the reaction of a reader if the topic sentences in an essay did not coincide with the supporting points?

    asked on May 1, 2011
  73. chemistry

    a catalytic converter combines 2.25 g CO with excess O2 What mass of Co2 is formed

    asked on February 24, 2011
  74. 5th grade

    My daughter is taking OLSAT test for gift & talented middle school. All practice questions I find are for Kindergarten or 1st grade. Any ideas on how she should prepare? Thank you.

    asked on November 14, 2010
  75. Ks\aplan

    How has terrorism impacted the police mission in the U.S.? What disagreements exist regarding the appropriate law enforcement behavior which fights terrorism but maintains personal liberties?

    asked on August 8, 2010
  76. algebra

    -3square root 18 over-6= -1 Radical and Rational exponent check this for me please see if it right.

    asked on May 25, 2010
  77. math

    I am not sure how to solve this problem. If your paper takes up 1/2 of the space in a landfill and plastic takes up 1/10 of the space, how much of the landfill is used for other materials?

    asked on May 19, 2010
  78. BIOCHEMISTRY

    WHAT CONCENTRATION OF SOLUTION DO YOU GET IF YOU DISSOLVE 45G OF GLUCOSE (MOLECULAR WEIGHT =180) IN 500ML OF WATER?

    asked on March 10, 2010
  79. algebra

    What percent of 320 is 180

    asked on December 22, 2009
  80. Critical Thinking

    How would you re-write the following email so that it follow the critical thinking rules? I don’t have a lot of time to explain but off the top of my head answer is as a reader critical thinking affects me all ways. Not just reading but writing too.

    asked on September 10, 2009
  81. Algebra

    Find the slope, if its exists y= -7x + 3 y=-7x+3 y=-4 Is this right help me

    asked on March 5, 2009
  82. Algebra

    Solve y-5>-14 y=5>-9 Is this right if not will you help by corrected this. Thank you

    asked on March 5, 2009
  83. 3rd grade social studies

    Interpret proverb-"A book is like a garden carried in the pocket." Does it mean, that a book is full of nice, pretty things like in a garden?

    asked on February 9, 2009
  84. 3rd grade music

    "I Am a Rock" by Paul Simon, how is the character feeling i the song? Why does he describe himself as "I am a rock, I am an island"?

    asked on November 27, 2008
  85. 3rd grade-music

    The song "Minnie the Moocher" by Cab Halloway-retell what the story is about. Use details in song to support your thinking.

    asked on November 1, 2008
  86. 3rd grade, Social Studies.

    Explain how you are a consumer, what goods and services do you use?

    asked on October 20, 2008
  87. math-3rd grade

    Write the +/- family for:500, 1100, 1600. What do i do? 1100+500=1600 500+1100=1600 1600-1100=500 1600-500=1100 Is that correct? Please help.Thank you.

    asked on October 15, 2008
  88. Math

    The lengths of two sides of a triangle are 15 inches each. The third side measures 10 inches. What type of triangle is this? Explain your answer using geometric terms.

    asked on April 17, 2018
  89. diameter

    The famous rotunda of the Capital Bldg has a floor that is 96 feet in diameter. A marble restoration company charges $40 per sq. yard for its services. How much would it cost to restore the entire floor in the rotunda? My answer 96 feet in diameter C=πd

    asked on May 1, 2016
  90. Geometry

    A football player completed a 45 yard pass. How many inches is that? How many centimeters? I performed the dimensional analysis 45 yds * 36 in over 1yd final step was 1620 in * 2.54 cm =4114.80 cm

    asked on April 30, 2016
  91. Physics 30

    A. Calculate the net force on q2? b. calculate the net force on q3? q1= +2.0 MC q2=+3.0 MC q3=+6.0 MC q1-----30cm-----q2-----------45cm----------q3

    asked on February 6, 2016
  92. Dynamics

    The acceleration of a particle which moves along the x axis is given by a=4x+5x^(3/2) The particle has speed of 2m/s when x=1m x is in meters a is in m/s^2 evaluate the velocity when x = 8m I know that I need to use kinematic eqn 3 adr = vdv then take the

    asked on January 12, 2015
  93. Math

    explain base 10

    asked on December 8, 2014
  94. psycholocy

    Professor Stone follows patterns as they relate to human habitats, development, and behaviors. She is _____________.

    asked on August 11, 2014
  95. Anatomy

    The ______ ______ (two words), a syndesmosis, which provides a pivot point where two parallel-aligned bones, like the tibia and fibula, can move against each other.

    asked on October 3, 2013
  96. Anatomy

    Orthodontic braces can be painful, this is due in part to placing mechanical stress on the ____________ (joint type), causing ___________ of the alveolar sockets of the mandible/maxilla as the teeth are slowly repositioned.

    asked on October 3, 2013
  97. Chemistry

    Cow's milk contains 32g of protein in 1052g of milk. What is mass/mass percent concentration of protein in the milk?

    asked on February 7, 2013
  98. Chemistry

    What is the mass of lithium chloride in 27.8g of a 4.85% (m/m) LiCl solution?

    asked on February 7, 2013
  99. case management

    Identify the differences and similarities of case management in the community setting and in the managed care environment?

    asked on September 9, 2012
  100. Confidentiality of Health Information

    IN REGARD TO ELECTRONIC MEDICAL RECORDS (EMRS) WHAT IS THE POLICY FOR DISCLOSING AUTHORIZED DATA REQUESTED BY THIRD PARTIES?

    asked on July 14, 2011

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