Questions Asked on
December 17, 2010

  1. physics

    A 0.110-kg hockey puck, moving at 35.0 m/s, strikes a 0.290-kg jacket that is thrown onto the ice by a fan of a certain hockey team. The puck and jacket slide off together. Find their velocity. (Take the positive direction to be that of the initial

    asked by cassie
  2. physics

    A 0.105-kg hockey puck moving at 26 m/s is caught and held by a 72-kg goalie at rest. With what speed does the goalie slide on the ice?

    asked by cassie
  3. History Definitions

    whats the difference between imperialism and industrialization?

    asked by Nicole
  4. financial health science

    ABC Health Med, has a $1,000 par value bond with an 8 percent rate outstanding. The bond has 12 years remaining to it maturity date. If interest is paid semiannual interest, what is the value of the bond when the required return is 8 percent. Show all

    asked by frances
  5. Accounting

    Partial balance sheets for ABC Company and additional information are provided below. ABC Company, Partial Balance Sheets, As of December 31 2009 2008 Equipment $100,000 $75,000 Accumulated depreciation (25,000) (20,000) Common stock, $5 par 180,000

    asked by R
  6. physics

    A laboratory (astronomical) telescope is used to view a scale that is 306 cm from the objective, which has a focal length of 20.0 cm; the eyepiece has a focal length of 2.40 cm. Calculate the angular magnification when the telescope is adjusted for minimum

    asked by Jessica
  7. comm 215

    need help in writing a persuavie essay

    asked by Anonymous
  8. chemistry

    what is the energy of a photon with the frequency of 3.5 x 10 delta 24 hz?

    asked by zahra
  9. chemsitry

    what is the frequency of a wavelength of 764 nm?

    asked by zahra
  10. 5th grade

    what expression shows the factors of 27?

    asked by trent
  11. Algebra 1

    Solve 8x-9

    asked by esther
  12. Algebra 1

    Solve 8x-9

    asked by esther
  13. Math


    asked by CJ
  14. math

    Brett took a loan of $25,000 at a simple interest rate of 8%. After 4 years, what is the interest he had to pay?

    asked by unknown
  15. math

    Brett took a loan of $25,000 at a simple interest rate of 8%. After 4 years, what is the interest he had to pay?

    asked by unknown
  16. Math

    Describe a situation using proportions or ratios in a financial or geometric problem. describe the situation in detail and provide a problem to illistrate it. What is the importance of this calculation in this situation..

    asked by Shannon
  17. history

    identify and explain ulysses s. grant

    asked by tika
  18. Physics

    A 3.79 kg ball is dropped from the roof of a building 163.8 m high. While the ball is falling to Earth, a horizontal wind exerts a constant force of 11.5 N on the ball. How long does it take to hit the ground? The acceleration of gravity is 9.81 m/s2 .

    asked by Sangita
  19. pre calculus

    if y = bX, then its inverse is

    asked by john
  20. pre calculus

    if there are initial 2500 bacteria in a culture, and the number of bacteria double each hour, the number of bacteria after t hours cab n be found using the formula=N=2500(2^t).how long will it take the culture to grow to 75,000 bacteria.

    asked by john
  21. Science (Energy)

    Ok i have done 2 experiments (See below) the question i need help with is i need to explain the difference for the two combustions and i just don't know, please help me and thankyou for your help. The Combustion Of Marshmallows Aim To investigate how much

    asked by Paul
  22. college

    • Write at least 300 words describing a time when you had to test a theory. This theory may be something you have tested at work, school, or even at home. • Answer the following questions in your summary: o What type of informal research method did you

    asked by Anonymous
  23. Algebra

    Solve 16 - 2(8w-7)= 3w - 18(2-w)

    asked by Kristie
  24. College Chemistry

    What is the molarity of 7.52 ml of HCL solution and 5.393 of HC2H3O2 solution?

    asked by Anonymous
  25. 9th grade chem

    Using the following equation Ca(s) + 2C(s) --> CaC2(s) ^ H = -62.8 kJ CO2(g) --> C(s) + O2(g) ^ H = 393.5 kJ CaCO3(s) + CO2 (g) --> CaC2(s) + 2 1/2O2(g) ^ H = 1538 kJ Determine the heat of the reaction (in kJ) for: Ca(s) + C(s) + 3/2O2(g) --> CaCO3(s)

    asked by Gabrielle
  26. ice cube mass???

    an ice cube at 0 was dropped into 30.0 g of water in a cup at 45.0 C at the instant that all of the ice was melted, the tempature of the water in the cup was 19.5 C. what was the mass of the icecube?

    asked by Gabrielle
  27. Trig

    An airplane is flying on a compass heading (bearing) of 340 degrees at 325 mph. A wind is blowing with the bearing 320 degrees at 40 mph. Find the component form of the velocity of the airplane. then find the actual ground speed and direction of the plane

    asked by K
  28. geometry

    a right triangle has legs of length 3x and 4x and hypotenuse of length 75. What are the lengths of the legs of the triangle.

    asked by Kym
  29. computer

    I have to write a researh paper on Intel Core i3 processor ? I need some ideas

    asked by JJ
  30. 11th grade

    A resonating glass tube closed at one end is 4.0 cm wide and 47 cm long. What are the frequencies of the first three harmonics for the resonating tube? The speed of sound in air at this temperature is 346 m/s.

    asked by Anonymous
  31. calculus

    Find all the critical numbers for the function f(x) = cube root of 9-x^2. help please?!

    asked by Kate
  32. physics

    An object is resting on a flat surface with a coefficient of static friction of 0.65. If the mass os the object is 14Kg, what is the force necessary to start moving?

    asked by jay
  33. English

    Pathetic is to funny as: a.) distressing is to upsetting b.) dexterously is to gracefully c.) adequate is to sufficient d.) passive is to domineering I can't figure this one out. I don't find that any of the choices have the same relationship as pathetic

    asked by Zainab
  34. childcare

    I am trying to hand in a resource file for the academic portion of a CDA. I need to hand in song lyrics to children's songs. 2 have to be multi cultural. every time I do research on a particular song. Some part of the info is missing and I can not submit

    asked by Danielle
  35. comm155

    can some one please check my home work for me to see if all the requirement are met and let me know what need to be corrected. The first sentence in each paragraph is underlined. In a total of 200 words, write two paragraphs about how interest rates affect

    asked by queen
  36. algebra

    How do you solve an equation like: (5-11)/x+2=3

    asked by kathleen
  37. physics

    what is the mass of black whole?

    asked by sanaullah
  38. algebra

    find the illegal values of c in the multiplication statement c^2-3c-10/c^2+5c-14.c^2-c-2/c^2-2c-15

    asked by K
  39. psychology

    "during a heated argument with his father, 15 y/o Jason developed a pralysis of his right arm. Medical examinations can find no physical cause for the paraplysis. Use the psychoanalytical perspective to explain how the paralysis may be Jason's attempt to

    asked by joan
  40. Math

    Mathematicians have been searching for a formula that yields prime numbers. One such formula was x2 - x+41. Select some numbers for x, substitute them in the formula,and see if prime numbers occur. Try to find a number for x that when substituted in the

    asked by Jean

    suppose you need to construct a cone who surface area is 100 sq in. (A= pi*r*(sqrt( r^2+h^2), this is the amount of carboard needed to construct the cone. find values of r and h that will maximize the volume of the cone (V= (pi/3)r^2h Please help.

    asked by CM
  42. math

    the distance of D in feet it takes a car traveling at x mph to come to a full stop after hitting the brakes is given by d= 1.26x^2+ .075x. Est. the stopping distance for a car traveling at 40 mph

    asked by cynthia
  43. calculus

    f(x)= 3x+2, x0 g(x)= -x+3, x1 find a) lim x->0+ g(f(x)) b)lim x->0- g(f(x)) c) lim x->1+ f(g(x)) d)lim x->1- f(g(x)) I am trying to understand these. Help appreciated. Have a test soon.

    asked by Jim
  44. math

    indicates required items An operation * is defined by the relation x*y = 5x + 3y – 4xy. Evaluate [2*(-1) ] A. 15 B. 10 C. 8 D. -3 A B C D An operation * is defined by the relation x*y = 5x + 3y – 4xy. Evaluate (3*2)*4 A. -15 B. 45 C. 48 D. 12 A B C D

    asked by david dare
  45. Medical Insurance

    A hospital received a reimbursement rejection from the fiscal intermediary for two outpatient procedures that were performed the same day. Who generated the rejection?

    asked by Anna
  46. Math help please

    Find center and radius of circle (x-9)^2+(y+1)^2=49

    asked by Alg
  47. Help

    Write slope intercept equation for line with slope 1/4 which passes (-8,3)

    asked by Alg
  48. Help pls

    Water left at 150 degrees to cool in 80 degree rm. After t min temp of water is given by t(t)=80+70e^-0.096t Find temp 10 min later

    asked by Alg
  49. geometry

    Indirect proof given triangle ABC,

    asked by Alfa
  50. English

    Adjectives/Adverbs I need to underline the adjectives and bold the adverbs. Just need help if I did it correctly. Since this doesnst let me do underline and bold I will make the adjectives in () and the adverbs in ** Thanks I have had both *good* and *bad*

    asked by Karen
  51. bio

    according to Stephens, when are learning behaviors expected to evolve?

    asked by Allie
  52. Physics

    Drug has heat of melting 25 K jule/mole. Solubility of drug in water is 0.00082 M at 25 C and 0.00144M at 35 C. Find mole fractions x1 and x2 at each temperature.

    asked by kinjal
  53. Finance

    It's January 1, 2011. Company XYZ wants to build a teddy bear factory. They have already spent $10 million dollars in the past year building the factory, and expect to spend $10 million dollars per year for the next 4 years, to be paid on December 31st

    asked by Toby
  54. Philosophy & Ethics

    What are the essential components of a WorldView? What is your personal WorldView and how does it affect your decision making?

    asked by Reta
  55. math

    find three rational numbers between the negtive square root of 26 and the negtive square root of 15 and explain how you got the answer

    asked by bob
  56. Math

    Make up set Set of7 numbers having this landmarks mode21. Median24 maximum 35 range 20

    asked by Sebastian
  57. Physics

    A truck traveling at a constant speed of 40.0 km/h applies its brakes and comes to a complete stop in 5.0 s. The truck starts again and accelerates at a constant rate of 0.80 m/s2. After restarting, how far does the truck travel before reaching its

    asked by James
  58. bio

    What are atoms composed of? What is the significance of atomic number and mass number?

    asked by luly
  59. World History

    Alright I really need this done for me and I will do some of it also. I am in a quick hurry to get this homework done before christmas. I don't have a really good grade because of late work and I started the school really late and I was expected to make up

    asked by Reggi
  60. ETH 125

    Where can I look to find a legeslation that is linked to the issues of the Native Americans and the government?

    asked by need help
  61. General Chemistry

    According to the following reaction, how many moles of Fe(OH)2 CAN FORM FROM 175.0 mL of 0.227 M LiOH soultion? Assume that there is an excess of FeCl2 FeCl2(aq)+ 2 LiOH(aq)-(Oh)2(s)+2LiCl(aq) I have no clue how to approach this problem? Could anyone help

    asked by Emily
  62. physics

    Three positive point charges of q1 = 4.0 nC, q2 = 6.4 nC, and q3 = 1.5 nC, respectively, are arranged in a triangular pattern, as shown below. Find the magnitude and direction of the electric force acting on the 6.4 nC charge.

    asked by jesse
  63. ETH 125

    Post a 200- to 300-word summary of a current issue between Native Americans and the federal government. Identify the legislation that you think is linked to the issue, and explain why you think there is a connection. Consult the National Congress of

    asked by Amanda
  64. art

    to receive proper training and gain access to commissions, artists during renaissance generally had to join a??

    asked by janet
  65. english

    1. Marianne exhibited her model spacecraft at the science fair. adjective adverb conjunction preposition I think it's adverb?

    asked by tony
  66. english

    Substitute these new art supplies for your old ones. pronoun interjection adjective verb I think it's verb?

    asked by tony
  67. science

    Do some research into why the United States has been so slow to adopt metric measurements. What problems does this cause for the United States? What benefits might it bring the

    asked by Phyllis
  68. math

    Find the slope and y-intercept of the line in the given equation. equation: y=6/7x-4

    asked by unknown
  69. science

    What problems does this cause for the United States? What benefits might it bring the United States? How might you resolve the gap between the United States' measurement system and that of the rest of the world?

    asked by Phyllis
  70. english

    what is the part of speech of this sentence? 2. How long did it take Marianne to build the model? pronoun noun verb interjection I think it's interjection?

    asked by tony
  71. english

    what is the part of speech of this sentence? 8. She is a terrible teacher. adverb interjection verb adjective I'm stuck between interjection and adjective?

    asked by tony
  72. Epidemiology

    How do you calculate the disease frequency rate in these problems 1. The cumulative incidence rate in a population of 100,000 people where 9 new cases of disease were reported within 1 year 2. The prevalence of a chronic disease on November 1st where 9

    asked by Lynn
  73. bio

    What is the difference between an atom and an element? What are atoms composed of? What is the significance of atomic number and mass number.

    asked by Anonymous
  74. computer

    If you want to insert a column into an existing table, you would click A. on the New Column key. B. the appropriate icon in the Rows & Columns group. C. over the table title. Then you would press the Backspace key. D. in the top cell of the extreme right

    asked by saint
  75. computer

    The Word feature that stores frequently used words and the current date so they can be easily inserted into a document is A. AutoComplete. C. AutoShapes. B. AutoText. D. AutoFormat. 12. When pointed over text within a paragraph, the cursor takes the shape

    asked by saint
  76. computer

    The merge process involves two types of files, namely, A. mail merge template and mailings. B. primary and secondary. C. text and merge fields. D. main document and data source. 20. The Word feature you can use to add formatting to text, such as shapes and

    asked by saint
  77. computer

    When creating a mail merge to send out a form letter, where should you store the names and addresses of the recipients? A. Main document B. Data source C. Label file D. New address document 2. Which one of the following Word features allows you to copy

    asked by saint
  78. social studies

    The discretionary power of judges is less than that of elected officials because

    asked by janice
  79. Physics

    A 3.79 kg ball is dropped from the roof of a building 163.8 m high. While the ball is falling to Earth, a horizontal wind exerts a constant force of 11.5 N on the ball. It takes 5.77 second to hit the ground. How far from the building does the ball hit the

    asked by Sangita
  80. Chemistry (stoichiometry

    (This homework question has been removed due to a copyright claim submitted by K12, Inc.) _----------_ [" okay this is what i got and im not sure if i did it right nor do i know if i answered everything the questions wanted so could you help me out

    asked by Samantha
  81. 4th grade

    bertrand is building in the form of a rectangle. he knows that the garden will be 10 feet wide. he wants to fence in the garden but only has 56 feet of fence to work with. how long mist the garden be to fence it with exactly 56 feet of fence? show how you

    asked by dk
  82. physics

    A boat moves through the water with two forces acting on it. One is a 2.32×10^3 N forward push by the motor, and the other is a1.79×10^3 N resistive force due to the water.What is the acceleration of the 1279.5 kg boat?

    asked by john
  83. math

    List advantages and disadvantages comparing and contrasting solving systems of linear equations with two variables by graphing and by equation method. Explain which method you prefer and why. Support your answer by providing appropriate examples

    asked by Anonymous
  84. english

    what is the theme of the poem "Dying" by Emily Dickinson

    asked by pkd
  85. Algebra 1

    Solve 11x-7

    asked by Esther
  86. physics

    Search: A block of steel (7900 kg/m3) is suspended from a spring scale. The scale is in newtons.What is the scale reading if the block is in air?What is the scale reading after the block has been lowered into a beaker of oil (900 kg/m3) and is completely

    asked by dora
  87. Physics

    A 0.77 kg mass, attached to the end of a 0.86 m string, is whirled around in a circular horizontal path. If the maximum tension that the string can withstand is 683 N, then what maximum speed can the mass have if the string is not to break?

    asked by Cassaundra
  88. physics

    A freight train has a mass of 2.1 × 10^7 kg. If the locomotive can exert a constant pull of 6.2 × 10^5 N, how long would it take to increase the speed of the train from rest to 77.7 km/h? (Disregard friction.)

    asked by jay
  89. Physics

    What is the gravitational force on a 93 kg person, due to the moon? The mass of the moon 7.36 x 10^22 kg and the distance to the moon is 3.82 x 10^8 m

    asked by Anonymous
  90. physics

    A 3.61 kg ball is dropped from the roof of a building 152.5 m high. While the ball is falling to Earth, a horizontal wind exerts a constant force of 11.6 N on the ball. How long does it take to hit the ground? The acceleration of gravity is 9.81 m/s^2

    asked by john
  91. physics

    Your weight is 110 lb. What is your mass in kilograms? Answer in units of kg.

    asked by jay
  92. COM155

    Use at least five adverbs and five adjectives to write a brief review of a movie, sporting event, musical performance, or television show. • Bold each adverb. • Underline each adjective. • Compare the event to one or more similar events. When

    asked by Glenda
  93. eng

    How to start write an essay about yourself?

    asked by anonymuss
  94. English

    1. It is a small world. (What does 'it' refer to? Is 'it' an impersonal pronoun?)

    asked by rfvv
  95. Phsyics

    A 44.0kg seal at an amusement park slides from rest down a ramp into the pool below. The top of the ramp is 1.75m higher than the surface of the water and the ramp is inclined at an angle of 35.0 degrees above the horizontal. What is the coefficient of

    asked by Lisa
  96. algebra 2

    a grocer sold a total of 126 apples, oranges, and melons one day. she sold 16 fewer oranges than three times as many apples as melons. write a system of three equations that represents how many apples, oranges, and melons the grocer sold

    asked by lupita
  97. Physics

    How much work(energy) is needed to lift an object that weighs 200N to a height of 4m? My question: is weight the same as force? if not, how do I find the amount of force

    asked by Rose
  98. arithmetic

    what does127.00 minus 15 percent plus 6 percent sales tax equal?

    asked by Silver Creek
  99. math

    what is the scale ratio of 1 cm to 100 m?

    asked by raylen
  100. algebra 1

    You are taking a Spanish course in which there will be four test. Each worth 100 point. You have scores of 99,97 and 92 on the first three test. You must make a total of 360 in order to get an a. What scores on the last test will give you an a? I am really

    asked by esther
  101. Physics

    A bungee jumper of mass 60 kg jumps from a bridge tied to an elastic rope which becomes taut after he falls 10 m. Consider the jumper when he has fallen another 10 m and is travelling at 15 m/s. Work out how much energy is stored in the rope. Take g=10

    asked by anon
  102. Algebra 1

    A metal stays solid at Fahrenheit temperatures below 1639.8. Determine in terms of an inequality those celsius temperatures for which the metal stays solid. Use the formula F=9/5C+23. Thank you so very much!

    asked by esther
  103. Math

    to identical jars are filled with equal amount of marbles. the marbles are coloured red or white. the ratio of red to white marblesis 7:1 in jar 1 and 9:1 in jar 2. if there are 90 white marbles altogether, determine the number of red marbles in jar 2.

    asked by Dan
  104. Math

    make a conjecture (obsevations based on patterns) for each sequence below. a)7,10,13,16 b)4,44,444,4444,44444 c)2,10,50,250 d)1,2,6,42,1806,3263442

    asked by walter
  105. Math

    write the converse and contrapositive for the conditional statement below. decide whether each of the three statements is true or false. provide a counterexample for any false statement. If n is a prime number, then n+1 is an even number

    asked by bobby
  106. Math

    prove that two triangles are congruent if they have 2 equal adjacent angles and the side inbetween them is also the same.

    asked by Bob
  107. Math

    a person cleared a rectangular plot of land and covered it with gravel. then he got 9 square wooden sections of side lengths: 2,5,7,9,16,25,33 and 36. by placing the squares on the gravel with no two overlaping, the person built a patio which exactly

    asked by Gorege
  108. Math (venn diagram)

    120 students were surveyed about their food preferences. 62 liked pizza,75 liked burgers and 48 liked tacos. 15 liked all three. 93 liked pizza or burgers, 96 liked burgers or tacos, and 88 liked pizza or tacos. a) construct a venn diagram that will

    asked by Gary
  109. English

    Posted by rfvv on Thursday, December 16, 2010 at 3:40pm. Posted by rfvv on Thursday, December 16, 2010 at 3:21am. {At a restaursant} For hear or to go? Is this for here or to go? It's for here, please. It is to go, please. (Are the expressions above all

    asked by rfvv
  110. math


    asked by wanda
  111. math

    how do i design a portable barrier to stop a vehicle travelling at 60km/h, weighing 1800kg within a distance of 1m? the tires cannot be damaged.

    asked by mark
  112. t test

    What is the power of each of the following studies, using a t test for dependent means (based on the .05 significance level

    asked by mae
  113. t test

    A researcher theorized that people can hear better when they have just eaten a large meal. Six individuals were randomly assigned to eat either a large meal or a small meal. After eating the meal, their hearing was tested. The hearing ability scores (high

    asked by mae
  114. his/135

    describes the social, economic, and political composition of the decade of corporate greed and how it affected the political climate of the 1980s.

    asked by love
  115. Science

    the metric system, why is the United States so slow in using it and what are the benifits for using it here in the United States?

    asked by Tillie
  116. Algebra 1

    A metal stays solid at fahrenheit tempeture below 1718.1. Determine in (in term of an inequality) those celsius temperatures for which the metal stays solid. Use the formula f=9/5c+32. Thank you, again.

    asked by esther