Posts by Kristi

Total # Posts: 152

  1. Physics

    A 3.30-g bullet, traveling at a speed of 492 m/s, strikes the wooden block of a ballistic pendulum, such as that in Figure 7.14. The block has a mass of 232 g. (a) Find the speed of the bullet/block combination immediately after the collision. (b) How high does the combination...
  2. Physics

    I am not sure I am understanding this answer. Also if you knew how to do part b
  3. Physics

    A 49.9-g golf ball is driven from the tee with an initial speed of 48.8 m/s and rises to a height of 24.0 m. (a) Neglect air resistance and determine the kinetic energy of the ball at its highest point. (b) What is its speed when it is 5.42 m below its highest point?
  4. Physics

    Some gliders are launched from the ground by means of a winch, which rapidly reels in a towing cable attached to the glider. What average power must the winch supply in order to accelerate a 163-kg ultralight glider from rest to 27.9 m/s over a horizontal distance of 46.8 m? ...
  5. Physics

    A person in a kayak starts paddling, and it accelerates from 0 to 0.498 m/s in a distance of 0.554m. If the combined mass of the person and the kayak is 62.6, what is the magnitude of the net force acting on the kayak?
  6. Physics

    A 38.3-kg crate rests on a horizontal floor, and a 74.7 kg person is standing on the crate. Determine the magnitude of the normal force that a) the floor exerts on the crate and b) the crate exerts on the person.
  7. Physics

    A planet has a mass of 6.06x 10^23 kg and a radius of 3.99 x 10^6 m. a) What is the acceleration due to gravity on this planet? b) how much would a 72.5 kg person weigh on this plane?
  8. Physics

    The 1994 Winter Olympics included the aerials competition in skiing. In this event skiers speed down a ramp that slopes sharply upward at the end. The sharp upward slope launches them into the air, where they perform acrobatic maneuvers. In the women's competition, the end...
  9. Physics

    A football player runs the pattern given in the drawing by the three displacement vectors , , and . The magnitudes of these vectors are A = 6.00 m, B = 13.0 m, and C = 15.0 m. Using the component method, find the (a) magnitude and (b)direction of the resultant vector + + . ...
  10. math

    adebt of $6000 is to be amortized with 8 equal semiannual payments. If the interest rate is 5%, compounded semiannually, what is the size of each payment
  11. 5th grade

    whats the gcf of 16 and 42 why
  12. English

    As I know a character after which a book is named is an eponymous character,is there a particular word for a symbol after which a book is named? If there is such a word, The Scarlet letter in Hawthorne's The Scarlet Letter, the Mockingbird in Lee's To Kill a ...
  13. Business Accounting

    Who can be harmed when a company changes its accounting method to often? why?
  14. Chemistry

    How many ions are produced when a formula unit of Li2CO3 is dissolved in water?
  15. Math

    5.256 * 10^5
  16. algebra

    What would the first 15 counting numbers for base two and base four bases?
  17. math

    A diagonal is drawn in a 12-in. square floor tile. Find the sine, cosine, and tangent of the angle formed by the diagonal and a side.
  18. math

    The angle of elevation of a 15-ft ladder is 70°. Find out how far the base of the ladder is from the wall.
  19. math

    What is 348 in base 6? How do I calculate this?
  20. math

    What is 348 in base 6?How do I calculatethis?
  21. algebra

    How many sets are subsets of set B? List the subsets of set B. Which are proper subsets? B= {1,2,3,4,5} would it be 5 subsets (1 for each number? the subsets would be 1,2,3,4,5 not sure about a proper subset
  22. algebra

    Three pieces of wood are needed for project. They are to be cut from a 90cm long piece of wood. The longest piece is to be 3 times as long as the middle sized piece and the shortest piece is to be 10 cm shorter than the middle sized piece. Can this be done with 2 cuts? If so, ...
  23. math

    A total of 129 players entered a single-elimination hand ball tournament. In the first round of play, the top-seeded player received a bye and the remaining 128 players played in 64 matches. Thus, 65 players entered the second round of play. How many matches must be played to ...
  24. geometry

    THANKS!!!!! That website was great!
  25. geometry

    Draw three different nonconvex polygons. When you walk around a polygon, at each vertex you need to turn either right (clockwise) or left (counterclockwise). A turn to the left is measured by a positive number of degrees and a turn to the right by a negative number of degrees...
  26. chemistry

    If a cube with edges of 1.000 cm weighs 25.68 g, what would the mass of a cube of the same material with sides 2.54 cm in length be?
  27. chemistry

    If a cube with edges of 1.000 cm weighs 25.68 g, what would the mass of a cube of the same material with sides 2.54 cm in length be?
  28. Algebra II

    The Officejet printer can print a dissertation in 10 minutes. It takes the Deskjet printer 16 min to copy the same document. If the two machines work together, how many minutes will it take to copy the document?
  29. Algebra II

    The Officejet printer can print a dissertation in 10 minutes. It takes the Deskjet printer 16 min to copy the same document. If the two machines work together, how many minutes will it take to copy the document?
  30. 7th grade Math

    Square did not come out right sorry. x x x x x x x x x x x x They should be arranged in a square shape
  31. 7th grade Math

    This problem comes from a worksheet titled "Test of Genius" pgBB-64 #6 Try to put the numbers 1 to 12 in the twelve boxes below so that the numbers along each side add to 26. X X X X X X X X X X X X Help anyone?
  32. Math

    How do you put the numbers 1 to 12 in 12 boxes in the shape of a square so that the numbers along each side add to 26?
  33. science

    Why did the thermometer have to go to school? Answer is two word_ _ four word _ _ _ _ four word _ _ _ _ and seven word _ _ _ _ _ _ _.
  34. Reading

    What is the purpose of this topic sentece? Heat energy travels from warmer objects to cooler ones.
  35. Education

    Write a 1,750-2,100 word persuasive paper supporting your opinion on Are Uniforms a Good Way to Improve Student Discipline and Motivation
  36. Physical Education

    The History Of Physical Education?
  37. Science

    Read the text provided or just scan it it is soooo easy. QUIT being LAZY. Y are you in school???
  38. Geometry

    What is a rigid transformation?
  39. Spanish

    Compraba- it bought compro- i buy Se comio- was eaten Quiere comerse- want to eat esta comprando- this buying
  40. Physical Science

    Water is what they refer to as a very "polar" molecule. That means it has a "electrical charge" associated with it. Sort of like a magnetic. Oil on the other hand has no charge, it's completely neutral. Now if I take two magnetics and put them near each...
  41. Biology

    what are the six components of life? how do we know somehting is alive?
  42. Finance

    A firm wants to maintain a growth rate of 7% without incurring any additional equity financing. The firm maintains a constant debt-equity ratio of .6 a total asset turnover ratio of .75, and a profit margin of 6%. What must the dividend payout ratio be?
  43. language

    what does water mean in japanese
  44. japanese

    what is silver in japanese?
  45. oxford-chemisrty

    if the total pressure of a container filled with oxygen gas, nitrogen gas and water vapor is equal to the pressure of what ? A.oxygen only B. oxygen and nitrogen only C. water vapor only D. All 3 gasses added together Dalton's Law of Partial Pressures: The sum of the ...
  46. PHYSICS

    #2 is A
  47. Barshney

    Why do you think it's important to find and use creditable sources in your written work? Would you take your worse enemy's recommendation for a blind date? Information we use is as only good as the sources. My wife is very sick these days, in treatment for cancer, and ...
  48. medical/computers

    what is the difference between technological obsolescence and functional obsolescence? This article has an excellent explanation of the similarities and differences. http://en.wikipedia.org/wiki/Obsolescence
  49. medical

    Describe and electronic marketplace in which disk technology combines with the internet to provide information and services to consumers? Downloading music. That is probably number one. PROCEES OF CLUMPING TOGETHER AS OF BLOD CELLS THAT ARE INCOMPATIBLE
  50. orientalism of muslim and arab american

    I was lost too! My professor is tough. I have been a straight A student, til' this class and I am barely pulling a B. So frustrated!!
  51. orientalism of muslim and arab american

    Axia online too!! It seems to me we have a lot of silly people for students according to the person at the top of the page. Who the hell in there right mind would know the answer to this question without researching it! Good luck to all of my fellow students on this assignment...
  52. critical thinking (english)

    How can readers distinguish between prejudicial and non-prejudicial use of rhetorical devices? The reader can distinguish between nonprejudicial and prejudicial rhetorical devices by: 1. Analyzing the propaganda techniques used in the passage. 2. Studying other sources. 3. ...
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