Questions Asked on
November 8, 2007

  1. physics

    An unstable nucleus of mass 17x10^-27 kg, initially at rest, disintegrates into 3 particles. One of the particles, of mass 5x10^-27kg, moves along the positive y axis with a speed of 6.0x10^6m/s. Another particle, of mass 8.4x10^-27kg, moves along the

    asked by Anonymous
  2. physics

    A 10g object moving to the right at 20cm/s makes an elastic head-on collision with a 15g object moving in the opposite at 30cm/s. Find the velocity of each object after the collision. answer: -40cm/s, 10cm/s

    asked by Anonymous
  3. Nautical studies

    Please advise formula for calculating rising/dipping ranges if tables are not available or the height of light is beyond the scope of the tables. ie Ht of light 155m/ ht of eye 3m Thanks Mike

    asked by Mike
  4. Physics

    A regulation volleyball court is L = 18.0 m long and a regulation volleyball net is d = 2.43 m high. A volleyball player strikes the ball a height h = 1.76 m directly above the back line, and the ball's initial velocity makes an angle q = 55° with respect

    asked by Lindsay
  5. social studies

    what is a graphic organizer

    asked by kayla
  6. physics

    If two particles have equal kinetic energies, are their momenta necessarily equal?

    asked by Anonymous
  7. history

    list some advantages to Rome's location. thanks for the help =]

    asked by kelly
  8. chem

    the wavelength of ligh is 310 nm. calculate the frequency? what is the wavelength of electromagnetic radiation if its frequency is 3.2 X 10 -2(exponent) Hz??

    asked by Amanda
  9. Mathematics - Trigonometric Identities

    Prove: sinx + tanx = tanx (1 + cosx) What I have so far: LS: = sinx + tanx = sinx + (sinx / cosx) = (sinx) (cosx) + sinx / cos = tanx (cosx + sinx) I don't know what to do now

    asked by Anonymous
  10. ENGLISH

    WHICH OF THE FOLLOWING SENTENCES CONTAINS A WORD THAT'S USED AS A PREDICATE ADJECTIVE? 1. JERRY LOOKS AT THE MAP 2. JERRY LOOKS ILL TODAY. 3. JERRY LOOKS IN THE MICROSCOPE. 4. JERRY LOOKS DISDAINFULLY AT THE PILE OF LAUNDRY.

    asked by Anonymous
  11. ENGLISH

    WHICH SENTENCE CORRECTLY USED MODIFER 1. HE SPOKE SHARPLY TO HIS SISTERS. 2. I FEEL BADLY BECAUSE I LOST THE RACE. 3. THE SAUCE TASED BITTERLY,AND I COULDN'T SWALLOW IT. 4 JOE LOOKED SAD AT HIS BROKEN BIKE.

    asked by Anonymous
  12. Mathematics - Trigonometric Identities

    Let y represent theta Prove: 1 + 1/tan^2y = 1/sin^2y My Answer: LS: = 1 + 1/tan^2y = (sin^2y + cos^2y) + 1 /(sin^2y/cos^2y) = (sin^2y + cos^2y) + 1 x (cos^2y/sin^2y) = (sin^2y + cos^2y) + (sin^2y + cos^2y) (cos^2y/sin^2y) = (sin^2y + cos^2y) + (sin^2y +

    asked by Anonymous
  13. mummiacation

    what substance is used to stuff the nostrils? what else did Egyptians embalm? the material used to stuff the eye sockets? what mummy shaped figures worked in the after life field for the Mummy?

    asked by Elicia
  14. spanish sra jmcguin

    anita is in mall with ehr friends - fill in blancks with correct present progressive form of verbs in parentheses to say what she and her friends are doing right now. 1. Maria Luisa esta comprando (comprar) una falda negra 2. Santiago esta miranda ( mirar)

    asked by sam
  15. Microeconomics

    6.) "Since peaking in 1976, per capita beef consumption in the United States has fallen by 28.6 percent... [and] the size of the U.S. cattle herd has shrunk to a 30-year low." a.) Using firm and industry diagrams, show the short-run effect of declining

    asked by Evan
  16. math

    How do I derive the secant reduction formula? Am I asking this question wrong? Integrate: (sec x)^n dx

    asked by mathstudent
  17. Physics repost

    A regulation volleyball court is L = 18.0 m long and a regulation volleyball net is d = 2.43 m high. A volleyball player strikes the ball a height h = 1.76 m directly above the back line, and the ball's initial velocity makes an angle q = 55° with respect

    asked by Lindsay
  18. ENGLISH

    CHOOSE THE SENTENCE THAT CONTAINS AN INDIRECT OBJECT. 1. IT IS DIFFICULT TO SAVE MONEY. 2. I WORKED HARD EACH DAY. 3. THEY GAVE ME A BOUNS. 4. I SPENT IT IMMEDIATLEY.

    asked by Anonymous
  19. English

    Reading the book Twilight by Stephenie Meyer. Will have to write book report in class 11/13/07. Has anyone read the book and written a book report on it.

    asked by Richard
  20. math

    nick has a revolving department store credit card account with an annual percentage rate of 15% last month's balance on the account was $423.78 during the current month he made purchases totaling $123.42 and he made a payment of $100.00 the store uses the

    asked by Anonymous
  21. ENGLISH

    CHOOSE THE SENTENCE THAT'S WRIITEN IS THE PASSIVE VOICE. 1. TO KILL A MOCKINGBIRD WAS WRITTEN BY HARPER LEE. 2. WATCH FOR THE TURN AT THE CORNER OF THE BLOCK. 3. MARY AND JILL WON'T EAT HER VEGETABLES. 4. THE BOYS WANT THEIR DESSERT NOW.

    asked by Anonymous
  22. pre-calc

    How do you solve this inequality? 2x over 4 minus 5x+1 over 3 is greater than 3

    asked by Amanda
  23. english

    choose the sentence in which all pronouns are used correctly? 1.Just between you and I ,I AM NOT IMPRESSED BY OUR NEW MANAGER. 2 BE SURE TO DIVIDE ALL THE INCOME FROM THE SUBURBAN PROPERTY BETWEEN HE AND I. 3. IN SAT BETWEEN HIM AND HER DURING THE SALES

    asked by Anonymous
  24. SPANISH

    last one CHOOSE THE CORECT INFINITIVE FORM SENTENCES ABOUT WHAT THESE PEOPLE ARE DOING RIGHT NOW. MODELO BO/ (COMPRAR, ESUCHAR) UNAS BOTAS = BO ESTA COMPRANDO UNAS BOTAS 1. MARILU / (CANTAR, BUSCAR) /UNAS SANDALIAS Y UNA CAMISETA PARA EL PICNIC ANSWER:

    asked by sam
  25. Science/ L.A.

    How many words can you get from the letters in Scientific method? examples: -tin -do -the

    asked by jakhajgakl
  26. Math Calculus Word Problem

    an 18 inch by 20 inch sheet of cardboard is cut and folded to make a box for the great pecan company. a. write a polynomial funtion to model the volume of the box. how can i graph this? c. the company wants the box to have a volume of 224 cubic inches.

    asked by Ashley V
  27. Physics

    Consider a perfectly elastic collision between two objects of equal mass. Object 1 is initially moving with a velocity v = 4.33 m/s while object 2 is at rest. What are the final velocities after the collision? Enter the final velocity of object 1 first.

    asked by Jonny
  28. Algebras

    How do you find the odds if the probability of tossing a total of 7 two number cubes is 1/6.

    asked by CRY
  29. ***updated answer algebra****

    Can someone help me solve this: Decide all values of b in the following equations that will give one or more real number solutions. (a) 3x^2+bx-3=0 (b) 5x^2+bx+1=0 (c) -3x^2 +bx-3=0 (d) write a rule for judging if an equation has solutions by looking at it

    asked by nana
  30. Pre-Algebra

    So since 2/3 of Spinner 1 is sedans (The 3rd is a truck), and 1/2 of Spinner 2 is purple (the other half is a green), write a multipilcation problem to describe the probability of spinning a purple sedan. Write a problem to describe the probability of

    asked by Ellen
  31. accounting

    The lag between purchase date and the date at which payment is due is known as the "terms lag". The lag between the due date and the date on which the buyer actually pays is termed the "due lag", and the lag between the purchase and actual payment dates is

    asked by pioneer2006
  32. accounting

    Assume that Hickory Copany has the following data related to its accounts receivable: 2005 2006 net sales $1,425,000 $1,650,000 net receivables beginning of 2005:375,000 beginning of 2006:333,500 end of 2005:420,000 end of 2006:375,000 Use these data to

    asked by pioneer2006
  33. Social Studies

    I am doing a crossword puzzle. One of the questions was "The electoral college was developed because some of the founding fathers believed that too much democracy was a very ____thing. The answer is 9 letters long, and it has me completely stumped. Any

    asked by Stephanie
  34. sra JmcGuin

    1. sleep late /watch football answer: dormier tarde - media futball 2. give flowers / go out to dinner answer:dar flores/ voy a le cana 3. watch fireworks / have picnic Answer: media ??? / tengo picnic 4. Eat turkey / be with fmaily answer: comer ???? / 5.

    asked by sam
  35. social studies

    I need some examples of cruelty to creation for a school project

    asked by kristina
  36. International Business

    Despite the difficulties, many technology companies experienced when the bubble burst - Internet commerce e-business is here to stay. What resources does an International Internet retailer need other than merely a storefront on the Internet? Does it

    asked by Vision/ Help
  37. algebra

    Can someone help me solve this: Decide all values of b in the following equations that will give one or more real number solutions. (a) 3x^2+bx-3=0 (b) 5x^2+bx+1=0 (c) -3x^2 +bx-3=0 (d) write a rule for judging if an equation has solutions by looking at it

    asked by nana
  38. Algebra

    Can anyone please check the following for me please Expand (5 - 2x) Squared (5 - 2x) (5 - 2x) 5 sqrd + 5 X - 2x + -2x x 5 + -2x X -2x so 5 Sqrd - 10x - 10x + 4X = 5 sqrd + 4x Am I right..thank you :-)

    asked by Leo
  39. Ardmore elementary english

    what is the name of a tool use sweeping on a farm?

    asked by Ashley
  40. Ardmore elementary english

    what is a field for growing fruit trees? what is a containers made of carboard and wood? what is a farm buildings? what is a tool for sweeping on a farm ?

    asked by Ashley
  41. Algebra

    I need help on one particular part of algebra because i forgot what my teacher said! Here is the question: Directions: Find the x- intercept of the graph of the equation. 1. x+ y= 5

    asked by Eva
  42. spanish 2

    i need help understanding subjunctive form

    asked by Chris
  43. Calculus

    How do you find the derivative of (x-2)^.5 times (2x+1) times (x-3)^-.666666667? What is the final answer as well?

    asked by anonymous
  44. algebra

    Hi, can someone please help me with this question? When each of three different numbers is added to the average of two other numbers, the results are 105, 106 and 125. What is the average of the three original numbers? I'm not exactly sure how to go about

    asked by Eliana
  45. Biology

    Industrial melanism was seen in what insect?

    asked by Fred
  46. What does the following ...... mean ?? Follow-up

    Since English is my second language, I have difficulty understanding the language overall. So, if someone can please translate the following to simple terms without missing key concepts, that'll be appreciated! The Masterstroke That Launched A Masterpiece:

    asked by English as my second language
  47. ENGLISH

    IN WHICH SENTENCE DOES THE VERB CORRECTLY AGREES WITH THE SUBJECT. 1. A COPY OF MOBY !@#$%^& AND A MAGAZINE HAS DISAPPERED FROM MY ROOM. 2. PEGGY OR PHYLLIS DRIVE ME TO FLORIDA EVERY WINTER. 3. LES AND MIRANDA IS LATE FOR WORK TODAY. 4. NOT ONLY THE

    asked by Anonymous
  48. spanish sra JmcGuin

    change verbs to prsent progressive example: (tu) escuchar escuchando 1. (ellas) dar estan dondo 2. (tu) beber estas bebiendo 3. (yo) bailar estoy bailando 4. (el) tomar esta tomando 5. (usted) traer esta treyando 6. (ella) leer esta leyendo

    asked by sam
  49. ENGLISH

    CHOOSE THE SIMPLE SUBJECT IN THIS SENTENCE. THE TALLEST CONTESTANT WON THE PRIZE

    asked by Anonymous
  50. math

    If Angelina's name is woth 20 points, Thomas'10 and Paul and Jane's 5points each, how many points is Martina's name worth? How do you find the answer?

    asked by gator
  51. spanish Sra JmGuin

    change verbs to prsent progressive example: (tu) escuchar escuchando 1. (ellas) dar ANSWER: estan dondo 2. (tu) beber ANSWER: estas bebiendo 3. (yo) bailar ANSWER: estoy bailando 4. (el) tomar ASNWER: esta tomando 5. (usted) traer ANSWER: esta treyando 6.

    asked by sam
  52. sra JmcGuin

    use the present progressive to say what the following people may be doing now. Match the phrases from the two boxes to make complete sentences. BOX 1 Andre Agasi y Pete Sampras Cindy Crawford y Naomi Campbell Gloria Estefan Maya Angelou el grupo R.E.M. Box

    asked by sam
  53. business

    do tariffs help us to maintain a favorable balance of trade and balance of payments.

    asked by in serious need of help
  54. Alg 2

    what is (7x-6)(7x-6)=120

    asked by Sarah
  55. Language art

    When do we use some and do we use any. What is the use of some and any?

    asked by Wali
  56. Earth Science

    Rock A has pieces of Rock B included inside it. Which rock is older and how do you know? My answer- I know rock B is older but I don't know how to explain it. Can someone help?

    asked by Camron
  57. Early Childhood Ed.

    Would you please check these questions and my answers? Please let me know which I have wrong. 1. Anwar is a preschooler in a family whose culture does not place much emphasis on early language development and reading. As a teacher,you would rightly see

    asked by Anonymous
  58. Social Studies

    Please please point me in the direction of people contributed to Islam history i.e. contributors to medicine, poets, mathematician, astronomer. I would like to know where to start. Thanks

    asked by Max
  59. American Literature

    synopsis"prayer of the First Dancers"

    asked by Dj
  60. Business

    How does diversity training increase awareness building and skill building? I think Skill building help managers to teach and conduct perfomrance appraisals with different cultures. This can be done through diversity training. I am not sure what it exactly

    asked by Jen
  61. history

    Identify some greek influences on roman culture. =] thank you

    asked by kelly
  62. Calculus

    How do you find the derivative of (x+1) times the third root of (x-5)spuared(x=4)?

    asked by Aaron
  63. geography

    what does a map scale show

    asked by Anonymous
  64. chemistry

    im given the refractive index values of two - isobutyl bromide (1.3785) and isobutyl chloride (2.4368). the solution's refractive index is 1.3931. determine the molar composition (%). im not sure how to get the concentrations of Br and Cl. i have this so

    asked by christine
  65. Early Child Ed.

    Would you please check these questions and my answers? If my answers are not correct- please let me know! 1. Use of cohesive devices reflects a speaker's ability to: A. talk about things that are obvious. B. string ideas together to show specific

    asked by Anonymous
  66. Accounting

    A piece of equipment is purchased on May 1, 2007 for $80,000 and has a residual value of $5,000. The equipment's useful life is 8 years or 12,500 hours. It is used 2,700 hours in 2007, and 2,600 in 2008. The question is what is the book value on December

    asked by Mercedes
  67. math

    what are the four elements that are included in the total amount of a mortgage payment?

    asked by Anonymous
  68. Physics

    A cannon is fired from a cliff 190 m high downward at an angle of 38o with respect to the horizontal. If the muzzle velocity is 41 m/s, what is its speed (in m/s) when it hits the ground? Which equations do I need for this?

    asked by Lindsay
  69. health

    What are some common items that use lactose as a filler or as a flavoring agent

    asked by cynthia
  70. physics

    Is it possible for a collision to occur in which all of the kinetic energy is lost?

    asked by Anonymous
  71. ENGLISH

    IN THIS SENTENCE WHICH WORD IS THE SIMPLE PREDICATE. THE MEN FINISHED THE GAME IN A SHORT TIME.

    asked by Anonymous
  72. ENGLISH

    THE PART OF SPEECH THAT ANSWERS A QUESTION IS CALLED WHAT?

    asked by Anonymous
  73. spanish Sra JMcGuin

    look at dates on calendar and write name of holiday associated with each circled day - then list two things people do on each holiday. sorry it is so late - we went out togehter for my dads birthday - my brothers go ot a diff school and so we do not get to

    asked by sam
  74. ENLISH

    CHOOSE THE SENTENCE IN WHICH THE VERB HAS A DIRECT OBJECT. 1. SHE IS INSECURE 2. I WALKED AWAY. 3. GEORGE WAS FURIOUS. 4. THEY WON THE GAME.

    asked by Anonymous
  75. ENLISH

    WHICH SENTENCE IS WRIITEN IN AN ACTIVE VOICE. THE TEST WILL BE OFFERED SEVERAL TIMES THIS WEEK. 2. WE WERE TOLD TO WAIT UNTIL FIVE O'CLOCK FOR DELIVERY. 3. FORMAL CLOTHING MUST BE WORN TO KIM'S WEDDING. 4. RICK AND KATE BIT THE HOUSE WITH THEIR OWN HANDS.

    asked by Anonymous
  76. business

    do Tariffs encourage Americans to buy U.S.-made products because doing so is patriotic.

    asked by college student
  77. Eth 125

    Consider the choices of Native Americans who decide to stay on their tribe's native land (reservation) and those who choose to relocate to a city. If you were presented with this decision, which would you choose and why?

    asked by Sandra
  78. Ekman Spiral/Coriolis/problems

    Lets talk N Hemisphere. I understand wind direction backs as it slows ie at lower altitudes due to friction with the earths surface. I would expect the same to happen with wind generated ocean currents. I would expect the current to "back" under the sea

    asked by Mike
  79. Accounting

    Indicate how each of the following six different transactions a company would make would affect (i)cash and (ii) net working capital: a)Paying out a $2 million cash dividend. b)A customer paying a $2,500 bill resulting from a previous sale. c)Paying $5000

    asked by pioneer2006
  80. ib math studies

    i need a internat assesment project idea with something to do with serial killers. It needs to have some statistical analysis.

    asked by Yousra
  81. forensics science

    what is the D antigen also known as?

    asked by nick
  82. Science

    What is the definition of a Pneumatic System??

    asked by Lilly
  83. chem

    How can the energy levels of electrons be determined by measuring the light emitted from the atom?

    asked by Amanda
  84. Biology

    1. Why must DNA be able to make copies of itself? 2. Define DNA replication? 3. What is the first step that must occur in DNA replication?

    asked by Dannie
  85. yh8hy

    why energy from the sun is important to the water cycle?

    asked by juan
  86. English

    identifying vowel and consenent patterns. v/cv vc/v

    asked by Crystal
  87. math

    what is the future value of an ordinary annuity of $12,000 per year,for three years at9% interest compounded annually?

    asked by Anonymous
  88. math

    on a blance sheet, the accounts of notes payable ,salaries, and taxes payable would fall under the category of what?

    asked by Anonymous
  89. grady

    what is vasoconstriction and vasodilation.What is the mechanisim of regulation?

    asked by teh
  90. RELIGIONS OF THE WORLD

    What effect do you think religious pluralism and the interfaith movement will have on the future of organized religion?

    asked by Anonymous
  91. SOCIAL STUDIES

    What kind of Paradigm shifts are underway in the world today?

    asked by ballA
  92. Types of sources

    Can someone check this for me?? Imagine you are writing a report to the governor on how to reform the state welfare system. Listed below are a number of sources which may be useful for your report. Carefully evaluate each of them, and then place a P next

    asked by Jess
  93. physics

    If a perfectly elastic colision between two objects, do both objects have the same kinetic energy after the collision?

    asked by Anonymous
  94. Pre-Algebra

    So since 2/3 of Spinner 1 is sedans (The 3rd is a truck), and 1/2 of Spinner 2 is purple (the other half is a green), write a multipilcation problem to describe the probability of spinning a purple sedan. Write a problem to describe the probability of

    asked by Ellen
  95. inverse function question

    Hey, I'm having trouble fully understanding absolute value graphs and I've been asked find the largest value of a so that f^-1 exists for the function: f: (-efinity,a) --> R where f(x)= logel2x-1l *note: i have used 'l' to represent the straight line

    asked by elle
  96. bussiness

    Do tariffs protect American jobs and wages.

    asked by college student Please in dire need...
  97. English - Definitions

    What is social criticism and social commentary when it comes to literature? What should I think about when I'm criticizing or commenting on the social aspect of a novel? I need a clear meaning of both terms, "social criticism" and "social commentary".

    asked by Anonymous
  98. DRWLS

    THANKS WHAT IS WRONG WITH ESTAR IN NUMBER

    asked by sam
  99. unscramble

    afsedrniru

    asked by joe
  100. Accounting

    Three years back, Mr. Az bought a property from Mr. Za for $100,000 under a term. Today, after the depreciation property's book value is $70,000. Now, Mr. Za asking $200,000 more to give the title of the property to Mr. Az, and Mr. Az is bond to pay this

    asked by Khan
  101. Monomials

    I have two problems that I have done but I am not sure they are correct. 1) t^-5(t^2-t^4+5t) I got... 5t/t^7 2) -20(m^2v)(-v)^3 / 5(-v)^2(-m^4) I got.... 20(4v^2)/ 5m^2

    asked by Amanda
  102. history

    Describe why the senate was so important to Rome. =] thanks

    asked by kelly
  103. history

    list all the ways Julias Caesar worked to gain political power in Rome. =] thanks!

    asked by kelly