Questions Asked on
January 8, 2007

  1. science

    what is the kinetic energy, in J, of a)an Ar atom moving w/ a speed of 650m/s b)a mole of Ar atoms moving w/ a speed of 650m/s? a) K.E. = (1/2) M V^2 For M, use the mass of an Argon atom. It equals 0.040 kg (40 g) divided by Avogadro's number. M must be in

    asked by michelle
  2. Trigonometry

    A plane is observed approaching your home and you assume its speed to be 550 miles per hour. The angle of elevation of the plane is 16 degrees and one minute later is 57 degrees. Approximate the altitude of the plane. Draw yourself a figure with two

    asked by Timisha
  3. physics

    Given that the Moon's period about the Earth is 27.32 days and the distance from the Earth to the Moon is 3.84*10^8 m estimate the mass of the Earth. Assume the orbit is circular. Why do you suppose your estimate is high? The force of attraction=

    asked by becky
  4. calculus help plz

    a force of 1250 pounds compresses a spring 5 inches from its natural length. find the work done in compressing the spring 8 additional inches. f=kd 1250=k5 k=250 then what do i do. the answer choices are: a.3250 b.21,125 c.18000 d.2000 e. none of these

    asked by david
  5. unscramble this word!!

    i need help unscrambling these words : slebsurs prusto tripcoa harbrub surgpassa bekrechuryl 2nd one- apricot 3rd rhubarb Is there a certain subject? asparagass-4th brussels sprout 1st huckleberry last one CERINOSMOG Okay.. so I am doing a math assignment

    asked by Ellyana
  6. physics

    1. the average distance separating the Earth and the Moon is 384 000 km. Use the data table 7.3 to find the net gravitational force the eath and the moon exerts on a 3.00*10^4-kg spaceship located halfway between them. TABLE 7.3

    asked by becky
  7. physics

    Use the table of 7.3 to find the point between the Earth and the Sun at which an object can be placed so that the net gravitational force exerted on it by these two objects is zero. TABLE 7.3

    asked by becky
  8. Chemistry

    propane(C^3H^8)is used as a fuel. Propane is a type of hydrocarbon. Write a balanced equation for the combustion of propane in oxygen. Assume that the combustion is complete. Hydrocarbons (C and H compounds of which propane is one) burn in oxygen to

    asked by chrissy
  9. calculus help lttle question

    find the area of the regin bounded by the graphs of y=-x^2=2x=3 and y=3. i don't need help solving the problem and but i am a little confused. ok the graph is a parabola and i drew a parobla with y= 3. now when find the area, am I finding the area on the

    asked by david
  10. English"My Antonia"

    I need some help writing an essay on this topic- Discuss how realism affects the way a reader might approach the different issues in "My Antonia" such as suicide, the representation of the harshness of the prarie, or Jim's views of life. I'm not sure what

    asked by tia
  11. AnYbOdY WiLLiNg To HeLp

    As soon as she arrived she went straight to the kitchen to see if the monkey was there. It was: what a relief! She wouldn’t have liked to admit that her mother had been right. Monkeys at a birthday? her mother had sneered. Get away with you, believing

    asked by annaiiz
  12. physics

    A satellite has a mass of 100 kg and is in an orbit at 2.00*10^6 m above the surface of the Earth (a) what is the potential enegry of the satellite at this location?(b) what is the magnitude of the gavitational forece on the satellite? a) Since the weight

    asked by becky
  13. Math

    Is this correct: sqrt2/sqrt10=sqrt2/5sqrt2 nope. it would be sqrt2/(sqrt5)(sqrt2) no.d sqrt2/sqrt10= sqrt (2/10)= sqrt (1/5) sqrt 0.2 thanks can you help me with this please? Factor:9x^2-8y^2 oh ok; can one of you help me with this: 4sqrtx^12/24sqrtx^2

    asked by margie
  14. calculus help work

    a force of 1250 pounds compresses a spring 5 inches from its natural length. find the work done in compressing the spring 8 additional inches. f=kd 1250=k5 k=250 then what do i do. i have to do this the calculus way, not the physics way. by using integrals

    asked by david
  15. Chemistry

    That worked out perfectly! I understand where you're going now! THANK YOU SO MUCH!!! Use the electron-dot symbols to show how the bonding (covalent or ionic) takes place. Use as many of each atom as needed for: 1. Carbon and Hydrogen 2.Silicon and Fluorine

    asked by Megan
  16. Chemistry

    what symbols are used to represent the charges on atoms in a polar covlaent bond? the polarity of the bond? I am a little confused by the question. I would answer that the polar covalent bond is represented with small delta + and small delta -; however,

    asked by Bryan
  17. math

    If A^TA is an invertible matrix, prove that the column vectors of A are linearly independent. You know that if statement X implies statement Y then that is equivalent to Not(Y) implies Not(X). You can start by taking the column vectors of to be linearly

    asked by mathstudent
  18. physics

    IO, a small moon of the girant plant jupiter has an orbital period of 1.77 days and an orbital raduis equal to 4.22*10^5km. From these data, determine the mass of jupiter. nvm XD i solved it myself ^^

    asked by becky
  19. ALGEBRA

    i AM HAVING TROUBLE GRAPHING SOLVING THE FOLLOING BY GRAPHING. cAN SOMEONE HELP PLEASE. 2X=Y=1 2X-Y=5 i do know that the lines do not intersect what do I do with the problem

    asked by DANIELLE
  20. ALGEBRA

    Do I place the following two equations on the same line as they both represent the same lines. Pleas show. Thanks much. 3x-2y=8 6x+4y=16 I am sorry I am not too big on graphing. no they are not the same line. because if you had reduced 6x+4y=16---> you

    asked by DANIELLE
  21. English, Poetry Riddles

    Legs I have got, yet seldom do I walk; I backbite many, yet I never talk; In secret places most I seek to hide me, For he who feeds me never can abide me. [p.s pleeeeeeease help me!! :S

    asked by Becky
  22. Polotics

    What is City Hall? Why do people go to City Hall? What is another name for City Hall? What is the purpose of advertising City Hall? http://en.wikipedia.org/wiki/Town_hall

    asked by Melthea
  23. the bible

    which part of the bible has most pages the old or the new testtament The number of pages will vary depending on the publication. But I believe the Old Testament has more books in it than the New Testament does, if that makes any difference. The best you

    asked by rebekah
  24. math correction

    can someone correct this for me. Business and finance. The cost for a long-distance telephone call is $0.36 for the first minute and $0.21 for each additional minute or portion thereof. Write an inequality representing the number of minutes a person could

    asked by Jasmine20
  25. Chemistry

    Are the Carbon atoms full though. I don't know. My teacher was saying something about putting the atoms with dots on a diagonal and she said something about using arrows to indicate the "CC" bonds. ??????????????????????????????????????? I don't understand

    asked by Megan
  26. Science

    What is relative humidity? What is Absolute humidity? What is Specific humidity? But can you give me an answer a paragraph long each thanks a lot! Or just answer 1 or 2 of my questions I will take any answer!! P.S- Thank you so much for your help!! What is

    asked by Stephanie
  27. Math

    Using all four numbers 8, 4, 2, 1 --in that order, mkae equations that equal 0 through 10. (you may use the operations +,-,x and divide in any order and any number of times). 8-4-2-1=1 2? 8 divided by 4 + 2=3 4? 8/4/2+1=2 8/4+2x1=4

    asked by Logan
  28. alphabetical order

    actually- brother with an "'s" is the possesive form of the word brother. so it's actually brother('s) than brothers i thought that was it 'cause that's how the computer alphabetizes things, but i needed to make sure which word comes first in proper

    asked by quinn
  29. Algebra

    Posted by bailey on Monday, January 8, 2007 at 2:12pm. The area of a rectangular blanket in square centimetersis 40x^2+2x-65. The width is 4x-5cm^2. Find the dimensions of the blanket in terms of x. Can someone plz help with this? Do you have any more

    asked by bailey
  30. AP English

    My question is about the novel Crime and Punishment by Dostoevsky. How does the novel Crime and Punishment have universal significance in actual crime and punishment? Any help would be wonderful. Thanks. Thank you for using the Jiskha Homework Help Forum.

    asked by Ashley
  31. CALC HW

    FIND THE X VALUES OF ALL POINTS, -2PI LESS THAN OR EQUAL TO X LESS THAN OR EQUAL TO 2PI, WHERE Y=X+B IS TANGENT TO Y=X+BSINX. I KNOW THE ANSWER IS PI/2 AND 3PI/2, BUT WHY AREN'T THEY PLUS OR MINUS. If they are tangent, they have the same coordinates, and

    asked by anonymous
  32. CHEMISTRY

    IN A CERTAIN EXPERIEMT A SAMPLE OF HELIUM IN A VACUUM SYSTEM WAS COMPRESSED AT 25C FROM A VOLUME OF 6000.0ML TO A VOLUME OF 240.0ML WHERE ITS PRESSURE WAS FOUND TO BE 32.0 MM HG. WAHT IS THE ORIGINAL PRESSURE OF HELIUM? (P1V1)/T1 (P2V2)/T2 Change T to

    asked by TIFFANY
  33. GOVERNMENT

    Do you think the majority in Dickerson VS. The United States engaged n judicial activism? Why or why not? Can someone help me understand the difference between judicial activism and judicial restraint? Also I need to find a little more info on this case to

    asked by KAYLA
  34. Algebra

    Here is what I have done so far with thes two equation that I need to slove by graphing 2x+y=5 y=5-2x 3x-y=10 -y= 10- 3x I have substituted y= 5-2x into the second equation 3x- (5-2x)=10 5x+5=10 x=1 Here I got lost and don't know what to do next in

    asked by DANIELLE
  35. HELPPPP

    What is relative humidity? What is Absolute humidity? What is Specific humidity? But can you give me an answer a paragraph long each thanks a lot! Or just answer 1 or 2 of my questions I will take any answer!! P.S- Thank you so much for your help!!

    asked by Stephanie
  36. Civics

    Giving someone a job for being loyal to you during an election is called what>? "I scratch your back, you scratch mine" logrolling i learned that today in my class

    asked by Dylan
  37. history

    what is the legend of kailashnath templee.. in kanchipuram.?? plzz reply .. need it urgently .. I checked dozens of web sites about the Kailashnath Temple and none mentions any legends. This is the most complete article I found about the temple.

    asked by shivani
  38. Math

    1)Ms.Troy would like you to make a copy of an outfit that she owns and really likes-a sleeveless dress with a short-sleeve jacket. She has selected a lilac linen fabric that comes in 36-in.width. You make a pattern for the dress and record the following

    asked by Mirayah
  39. math

    how to solve this equation: 20 8 4 4 = 18 20 + (8/4) - 4 = 18 :) I do not understand the 8/4 part on this answer? Please clarify Count . 8/4 = 2 if you add that to 20 you get 22 and if you then subtract 4 you get 18.

    asked by brandi
  40. math check please

    would some please check this for me. An important fact to consider is that a person needs to burn off 3,500 calories to lose 1 pound. The following table shows the number of calories burned per hour (cal/h) for a variety of activities, where the figures

    asked by tony
  41. math correction

    can someone correct this for me.or teach me if i'm wrong Statistics. Sam must have an average of 70 or more in his summer course to obtain a grade of C. His first three test grades were 75,63, and 68. Write an inequality representing the score that Sam

    asked by Jasmine20
  42. Algebra

    The area of a rectangular blanket in square centimetersis 40x^2+2x-65. The width is 4x-5cm^2. Find the dimensions of the blanket in terms of x.

    asked by bailey
  43. Chem Help

    You are given several grams of solid sodium chloride and water and asked to make a solution. Explain what happpens on a molecular level as sodium chloride dissolves in the water. The solid (which is a network of ions) breaks apart, and the sodium ions are

    asked by Alisha
  44. math angles

    find the measure of m

    asked by Angelica
  45. History

    Hey, I have an essay question: Compare and contrast the views of Thomas Jefferson and Alexander Hamilton on the Constitution, National Bank, and Foreign Affairs. I have already researched this topic but I don't think I have enough sources. If you know of

    asked by Kinda needs help
  46. College Essay

    Is any one can help me to revise my college application? Thank you. Question: Please describe which of these activities ( extracurricular or personal activities or work experience) has had the most meaning for you, and why. I was used to be a President of

    asked by Kate
  47. socialogy

    can someone help me understand what are the major parts of society.How are they interelated. What are the consequences of these parts.How is society interelated. my teacher made a whole lecture which to me made no sence. I took notes as much possible but i

    asked by ejm42
  48. math ,correction

    can someone correct them for me. for this inequality: x>4 it is an open circle which looks like this: 0------------> and the open circle on 4 with a solid line going through the x axis straight on zero.so it would be: (4,0)(5,0)etc...... for the following:

    asked by Jasmine20
  49. Science

    You may have to decide a second theme be sure to show a variety of examples (plant, animal, and other kingdoms) from a variety of smaller habitats within your ecosystem. explain how your examples fit the extreme theme. this is ecology. Thank you for using

    asked by Nikki
  50. religion

    How did the childhood experiences of Siddhartha Guatama (Buddha) lead to his questioning of the spiritual practices of his time? http://www.wsu.edu/~dee/BUDDHISM/SIDD.HTM =)

    asked by kailin
  51. religion

    How do contemporary Buddhist practices reflect the foundations of the religion? Go to http://www.google.com and enter buddhism -- be sure to spell it correctly! =) How do contemporary Buddhist practices reflect the foundations of the religion? By following

    asked by kailin
  52. French

    Can some please help me transaleet the following into french. I am new to french I am slow at picking it up. 1. do you want to play tennis with me? 2. YES, bUT i HAVE TO WORK * Oui, mais jai travalier 3. When are Marie and Andre traveling to Paris? *Quad

    asked by DANIELLE
  53. writeacher,religion

    Have i answered this correctly or even have some points here I tried to my best of my abilities. How did the childhood experiences of Siddhartha Guatama (Buddha) lead to his questioning of the spiritual practices of his time? Siddhartha Guatama childhood

    asked by kailin
  54. math

    write a motion rule for the translation in part a. the palm of the hand moves from ( 3,2 ) to ( 5,4 ). so each point moves 2 units to the right and 2 units up

    asked by jose
  55. Science

    What is a supernova? supernova is the explosion of a star, possibly caused by gravitational collapse, during which the star's luminosity increases by as much as 20 magnitudes and most of the star's mass is blown away at very high velocity, sometimes

    asked by Sara
  56. unit rate

    score 98 points in 6 games Points per game: 98/6 reduced.

    asked by seen
  57. CHEMISRY

    A SAMPLE OF 5.5L OF ARAGON DAS IS STORED IN A SYLINDER AT A TEMPERATURE OF 32.2C AND A PRESSURE 8.42 ATM. THE SAMPLE IS TRANSFERED COMPLETELY TO ANOTHER 2.8L CYLINDER. SEVERAL HOURS AFTER THE TRANSFER THE SECOND CYLINDER HAS OBTAINED A TEMPERATURE OF 60C.

    asked by TIFFANY
  58. CHEMISTRY

    DETERMINE THE TEMPERATURE REQUIRED FOR 0.0354MOL OF GAS TO FILL A BALLOON TO 2.5L UNDER 0.998K PA PRESSURE PV = nRT. Change kPa to atmospheres and use R = 0.08206 L*atm/mol*K.

    asked by TIFFANY
  59. Maths

    1) Factorise x2 -6x +8 (the 2 is squared) 2) Hence solve this equation: x2 -6x +8 = 0 Also, what would the line look like on a graph with the equation y = 10/x Thankyou =) 1) x^2 - 6x + 8 factors are: (x - 2)(x - 4) -->look for possible factors of 8 and

    asked by Amy
  60. French

    Hiya, I have had to write a short piece of writing for french, which I will have to memorise and speak outloud to my teacher. To acheive the highest level possible (level 7, grade C at GSCE) we had to include past, present and future tenses. Please could

    asked by Sarah
  61. French Essay, Needs Correcting Please

    If you could help me I'd be really greatful. We had to use past present and future tense. It isn't very long because I have to memorise it for a speaking exam. Here it is: Parle-moi de toi! J’mappelle Sarah et j’ai trieze ans; mon anniversaire c’est

    asked by Sarah
  62. English

    We have been looking at story openings in english. Could you take a look at my opening that I did for homework and give me some tips (and let me know if I have any huge grammatical mistakes). Here it is: It all started the day Jules McGregor moved to our

    asked by Claire
  63. calculus

    The volume of a solid is given by V=pi x^2(lnx)^2. what is the approximate change in the volume when x is increased from 2.718 to 3.000? dv= PI 2x(lnx)^2 dx + Pix^2 *2lnx * 1/x reduce that. For x, use 2.718 dx= 3-2.718 check my thinking.

    asked by Mischa
  64. Polotics

    What is a creative name for city hall. Municipal Service Center

    asked by Melthea
  65. CHEMISTRY

    A TANK OF COMPRESSED CO2 HAS A TEMPERATURE OF 43.5C AND A VOLUME OF 42.5L THE CO2 IS COMPLETELY TRANSFERRED INTO A SMALLER TANK THAT HAS A VOLUME OF 25.0L WAHT IS THE TEMPERATURE OF THE SMALLER TANK IF THE PRESSURE REMAINS CONSTANT? V1/T1 = V2/T2 Don't

    asked by TIFFANY
  66. math correction

    Translate the following statements into inequalities. Let x represent the number in each case. 2 times a number, increased by 28, is less than or equal to 6 times that number.

    asked by Jasmine20
  67. Slope intercept

    I need help with slope intercept form??????????????????????????? wait what don't you understand first of all with slope intercept? like what part..narrowing it down i can get you a website or i can explain a lot easily

    asked by Krystal
  68. math

    what iz 2553 x 26 _______ ? 2553 x 26 ______ 15318 5106 + ________ 66378

    asked by kayleegirl345
  69. french questions

    are these correct? Si tu pense que ton colère affecté tes relations et qualité de vie. Si tu pense de ta colère constante Si c’est causer par quel que choses qui a arriver long temps passé Si il causer toi de faire des choses de vengeance Si il

    asked by Rita
  70. French Essay Prompt

    Il semble que nous sommes formes surtout par l'influence des personnes autour de nous. Qui a joue un role important dans votre vie? Comme-vous inluencde d'autres personnes? Illustrez votre repinse en donnant des exemples precis. Thank you for using the

    asked by aubrey
  71. Modern World History

    where can i find a glossry of key people on here? Key people like Pericles, Plato, Socrates, Locke, and Michelangelo. Brief description of what they did and their accomplishmnents? Your best source is an encyclopedia like Wikipedia or Encarta. You can also

    asked by Bryan
  72. English

    what is the shift of the mood and setting of the story thanx alot:-) i didn't someone was going to read the story. i need someones point of view cuz i doing a huge essay and what i wrote is too short. thanx again ;-) i think like you said "after being

    asked by annaiiz
  73. algebra1

    slope (-3,3),(1,3) well 1st here is the forumla y2-y1/x2-x1 then 3-(-3)=-6 then -3-1=-4 slope=-6/-4 0 _ -2 __

    asked by lena
  74. American History

    Environmental effects of American Industrialization (1945 - 1970) Can anyone please give me sites that show the environmental destruction of America because of growing industries during that time period? Thanks! Since this is not my area of expertise, I

    asked by Anonymous
  75. math

    I did not understand the 8/4 part of this answer, please clarify Count. thanks

    asked by brandi
  76. CHEMISTRY

    A GAS OCCUPIES A VOLUME OF 584 ML AT A PRESSURE OF 12.01K PA AND A TEMPERATURE OF 303K. whEN THE PRESSURE IS CHANGES, THE VOLUME BECOMES 477ML. IF THERE HAS BEEN NO CHANGE IN TEMPERATURE, WHAT IS THE NEW PRESSURE? ........ PLEASE HELP ME WITH THIS

    asked by TIFFANY
  77. History I

    How did human history in North America during the period described in the prologue differ from the events of Asia. Thank you for using the Jiskha Homework Help Forum. Remember when you ask for help to be as explicit as possible. To which prologue are you

    asked by Michelle
  78. religion correction

    How do contemporary Buddhist practices reflect the foundations of the religion? By following all the practices such as the Sila, Samadhi, and Prajna. Helps them avoid the five percepts and have a better life and more faith towards the religion. I'm not

    asked by kailin
  79. Math

    6,000 x 21 ______ 6,000 x 21 ______ 6000 12000 ______ 12,6000 Hope this helps.

    asked by Koco123