Questions Asked on
December 11, 2006

  1. Last physics help question (my thoughts given)

    A 160-N child sits on a light swing and is pulled back and held with a horizontal force of 100N. The tension force of each of the two supporting ropes is: a) 60N b) 94N c) 120N d) 190N e) 260N work: weight is down, the pull is back, so the tension must act

    asked by diane
  2. SCIENCE

    WHAT HAPPENS IF EARTH'S MINERALS ARE USED UP? Will more grow or will there be no more Some minerals are being formed all the tme; others are not and will die out, so to speak, or be redustributed and any one site will be too small to pay to mine.

    asked by ALEXIS
  3. physiology

    when the pH of the extracellular fluid DECLINES the a) pH of the urine increases b) kidneys reabsorb less water c) kidneys excrete more sodium ions d) kidneys secrete more potassium ions e) kidneys excrete more bicarbonate ions study guide question thank

    asked by pbear
  4. physiology

    The single most important factor influencing potassium ion secretion is a) the potassium ion content in the renal tubule cells b) intracellular sodium levels c) potassium ion concentration in blood plasma d) pH of the ICF c

    asked by pbear
  5. PHYSICS

    A 20.0 kg solid cylinder, 0.25m in radius, and a 5.0 kg thin hollow sphere, 0.50 m in radius, are released from rest at the exact same time at the top of a 10m long ramp inclined at 30º. a) What is the final velocity of the cylinder at the bottom of the

    asked by danny
  6. ANALOGIES

    1) fortuitous is to adventitious as a) egregious is to inconsequential b) callow is to unctuous c) cadaverous is to florid d) recondite is to arcane http://library.thinkquest.org/C005172/satPrep/unit3.html Go through the steps (click on Begin) in this

    asked by KK
  7. physiology

    a One of the major physiological factors that triggers thirst is: a) a rise in plasma osmolarity b) a dry mouth from high temperatures c) becoming overly agitated d) drinking caffeinated beverages a

    asked by sheila
  8. Science Question 2

    The helium flash converts three helium nuclei to what heavier element? A.beryllium B.boron C.lithium D.carbon E.iron Carbon. Carbon has six protons, obtained from three helium nuclei. http://abyss.uoregon.edu/~js/ast122/lectures/lec16.html A

    asked by Liz
  9. Finance

    Please answer following: 1. The purpose of secondary trading is to provide liquidity and competition between investments. provide a market for securities not handled in primary trading. provide jobs for brokers and dealers. provide lower commissions than

    asked by James
  10. PHYSICS

    The boom crane in the diagram is in static equilibrium and weighs 2000 N with its center of gravity in the middle of its length. It is supported by a frictionless pivot at the left end and a cable connected to the center of the boom and is supporting a

    asked by JENNY
  11. Physics

    A 3.00 kg object with an intial velocity of + 5.00 m/s in the postive X direction collides with and sticks to a 2.00 kg object with an intial velocity of -3.00 m/s in the negative Y direction. Find the final componet of velocity of the composite object.

    asked by Harry
  12. SCIENCE

    (aq) means the solution is dissolved in water used as a solvent. (l) means the COMPOUND (not element, usually) is a pure liquid. (g) means gas and (s) means solid. In the equation below, HCl(aq) + NaOH(aq) -->NaCl(aq) + H2O(l)This means that an aqueous

    asked by DrBob222
  13. business

    What is foreign investment? can some explain international investment theory to me? I am a 10 th grader I have to do a report and explain foreign investment and international investment theory in a paper where do I start? Please help Foreign investment is

    asked by larry
  14. physics

    An Atwood Machine has a pulley of radius Rpulley = 0.25m, and mass Mpulley = 6.0 kg with two blocks with masses m1 = 5.0 kg, and m2 = 10.0 kg. Treat the pulley as a uniform disk. a) Find the acceleration of each block. b) Find the angular acceleration of

    asked by nicole
  15. Homework

    How can I get help with my homework. Please remember these things: 1. This is a homework help website; please put your subject (math, science, English, or ??) in the subject line to make it faster for each teacher to find those questions in his/her areas.

    asked by Chante
  16. simplest form

    6x*2-11x+3 __________ 6x-9 thats a fraction and ur trying to simplify it Is that 6x2 or 6x*2= 12x. 9 over 36 18/21

    asked by hann
  17. physiology

    Oxidation reduction reactions a) occur via the gain of hydrogen or the loss of oxygen b) utilize hydrogenases c) require oxidases d) are rarely coupled together study guide question thank you a

    asked by pbear
  18. math

    -5(3x - 7) Sorry I meant this one:-4x2(3x2 - x + 1) *Your supposed to do the FOIL Method! -12x4 + 4x3 - 4x2

    asked by Margie...
  19. probability

    wooden balls are numbered 1-75. Five balls are drawn at random. What is the probability of drawing 5 consecutive numbers if no replacement occurs.? The first ball has a 1/75 chance of being selected. The second ball can be from either above or below the

    asked by matt
  20. word unscramble

    oelsanlchtoa Try these: http://www.ssynth.co.uk/~gay/anagram.html http://www.unscramble.net =) 1. ssiearf 2. oisb 3.smgleeu

    asked by Cory
  21. math,algebra

    What kind of expression is good to use for this problem so i can solve it. The kinetic energy of particle of mass m is founded by taking one-half of the product of the mass (m) and the square of the velocity (v). Write an expression for the kinetic energy

    asked by Jasmine20
  22. math

    ANTONIO SAID, "TO SOLVE 506-288, I CAN THINK OF 5 HUNDREDS AS 50 TENS." HOW MIGHT THIS HELP HIM SUBTRACT? I doubt if it would help. The logic is this. Take away 28 tens from 50 tens. that leaves 22. Now you have 226 -8 which is 218

    asked by jack
  23. physiology

    NAD+ and FAD a) are oxidized to form NADH+H+ and FADH2 b) pick up hydrogen and carry it to the electron transport chain c) are reduced molecules d) all of these Study guide question Thank you this one is b

    asked by pbear
  24. Calculus

    I am doing the AP calculus review, these are the questions I have no Idea on how to do: 1. if 0

    asked by alamgir
  25. biology

    hey! i've got a test on membranes in grade 11 bio in a couple of days, and i've been studying and whatnot. the only thing is, i'm having trouble rememberings all the terms and stuff. i know this is a long-shot, but does anybody have any ancronyms or word

    asked by narine
  26. drbob222,math

    Am going correct with this one. It is estimated that the Earth is losing 4000 species of plants and animals every year. If S represents the number of species living last year, how many species are on Earth this year? S-4000=1 S=1+4000 S=4001 of species we

    asked by Jasmine20
  27. Grammar

    In the following sentence: "These beginning songs are not my favorite part of the album, but I feel that each play an important role in the album." Would "play" have to be "plays." I know that each is a singular pronoun, but are we referring to the songs

    asked by Nicole
  28. physiology

    Factors that increase the secretion of antidiuretic hormone include all of the following except: a)increased osmolarity of the ECF b) decreased renal blood flow c) increased concentration of potassium ions in the ICF d) increased concentration of sodium

    asked by pbear
  29. physiology

    Excess potassium ion is eliminated from the body by a) the digestive system b) the kidneys c) the spleen d) sweating e) the liver b

    asked by pbear
  30. physiology

    When the amount of sodium ion in extracellular fluid INCREASES: a) ADH secretion decreases b) there is a decreased thirst c) there is an increase in the volume of urine produced d) osmoreceptors are stimulated e) aldosterone secretion increases study guide

    asked by pbear
  31. physiology

    an unintentional increase in CO2 is a cause of respiratory acidosis but a deliberate increase in CO2 is a compensation for metabolic alkalosis True or False

    asked by pbear
  32. SCIENCE

    What is the difference between (aq) and (l) ...what do they mean. I know Aq is a aueous solution while (l) is a liguid with only one element...but what is the difference between them? thanks duplicate post.

    asked by Krissy
  33. Art Ideas?

    I am suppose to do a carboard-cut out sculpture, as a piece to decide whether I go on a art conference or not. The theme is "reaching higher" I have thought of start hanging down...and a large filstrip with hand reaching higher and higher...eventually one

    asked by Krissy
  34. vocabulary

    What is another word for privateer? Pirate, corsair, buccaneer thanks thesaurus,com is really helpful for that

    asked by zeke
  35. Managerial Economics--Help!

    I just need help in reviewing my answers...they are all true/false questions..THANKS!!! 1. A principal-agent problem occurs when managerial decisions are inconsistent with the firm’s revenue maximizing objective. False 2. A firm making less than a normal

    asked by Sarah
  36. iraq study group

    the iraq study shares pres. bushes goal of a: A. unified iraq B.partitioned iraq C. dissolved iraq B and C are not what the President has stated is his goal. A unified

    asked by mak
  37. English

    in this sentence, what is the verb and label it linking or adjective: Rennet is an extract made from the lining of a calf's fourth stomach. I thought it would be is made and it would be action verb. My friend however thought that it was linking and that

    asked by Katie
  38. Science Question 1

    How many helium atoms must undergo fusion at 100 million K in the helium flash? A.Two B.Three C.Four D.Six E.It varies with density At that temperature, three form carbon, and a fourth with the carbon forms oxygen. This is the main source of carbon and

    asked by Liz
  39. physiology

    the respiratory mechanism of acid-base balance: a) operates well only within a very narrow margin b) requires an enzyme within red blood cells that causes the formation of carbonic acid c) is considered a chemical buffering system d) includes an increased

    asked by pbear
  40. physics

    (a) 2.0 kg of molten copper at its melting point of 1083 ºC (the copper is 100% liquid) is poured into a mold in a cooling water bath at 20 ºC. What mass of water is needed to bring the solidified copper and water to an equilibrium temperature of 30 ºC,

    asked by nicole
  41. Statistics

    Please help. Find the probability of getting 2 hearts if the cards are drawn from a regular deck and the first card is not replaced. A true/false quiz consists of twenty questions. If a student answers the twenty questions by making random guesses, what is

    asked by Mary
  42. English

    write an essay about what can you change in your school What rule don't you like, or what do you get in trouble for most often(if any).

    asked by Thunayan
  43. this n that

    who got the most grammy nominations last week with 8 Since this is not my area of expertise, I searched Google under the key words "eight grammy nominations" to get this information: Mariah Carey received eight Grammy nominations for her comeback CD, The

    asked by mak
  44. Algebra

    What is 2x=7? Is it a standard form, or slope-intercept form, or not a linear equation? Can you explain what a standard form and a slope-intercept form is PLEASE!? The standard form for a straight line is y=mx+b where m is the slope and b is the y

    asked by Anita
  45. math,algebra

    Is this correct Business and finance. The simples interest I on a principle of P dollars at interest rate r for time t, in years, is given by I= Prt. Find the simple interest on a principal of $6000 at 3% for 2 years. Simple Interest = Principle x Rate x

    asked by Jasmine20
  46. Microbiology

    I'm lost......... The G-C content of Micrococcus is 66-75% and of Stahylococcus, 30-40 moles %. Are these two genera closely related? Please explain..... I don't think so: See: http://en.wikipedia.org/wiki/GC-content

    asked by Anonymous
  47. algebra

    How do you factor 4x(squared)+12x+40? Thanks! 4x2+12x+40= 4(x2+3x+10) Is there any way to get it like ( ) *( )? I don't think the term within the parentheses can be factored. The only factors of 10 are 10*1 and 5*2 and neither of those will add to 3.

    asked by Marge
  48. Algabra

    THe domain of the function y=X2+3 is the set of all real numbers. What is the range of the function? The minimum x^2 is zero, so the minimum y is 3 So the range is from 3 to inf. 2+2= x+6/2x

    asked by Chital
  49. drbob222

    Are you available to help for a few more min. I am back. Been gone about two hours. What is it you don't understand about the former problem? Honestly I don't know what am I doing wrong or what should i be doing with the previous problem the one about

    asked by Jasmine20
  50. math

    80 cal/g x 5 g 400g/cal or 400 cal/g not sure can any one help Neither. 80 cal/g x 5g = 400 cal. The unit g cancels to leave calories. x2+2x-15

    asked by rena
  51. PHYSICS TEST !!

    Hi! I have a physics test and need help with a few study questions...if you know which equations to use or how to solve any of these PLEASE tell me...thankyou! 1. One cubic meter of liquid air at standard temperature and pressure is about 900 kg. When this

    asked by anonymous
  52. please rate my essay

    I had asked earlier if anyone had any ideas for an essay over the importance of accepting others as they are, and now I am finished with my essay so I am curious to see what you think. It will be given a rating of 1-4.

    asked by Anonymous
  53. algebra, math

    can someone explain to me in written words what is the difference between the following two statements x+2 and 2x x+2 is adding 2 to x 2x is multiplying x by 2 what is 2(3*3) It is 2*3*3=18.

    asked by Jasmine
  54. physiology

    Assume that fluid enters the distal convoluted tubule with an osmolarity of 100 mOsm and that the maximum osmolarity of medullary interstitial fluid is 1100 mOsm. As plasma ADH levels rise, the osmolarity of the urine a) approaches 300 mOsm, the normal

    asked by pbear
  55. history

    I need to find Sir John A. MacDonald birth certificate or job application http://www.jiskha.com/display.cgi?id=1163541475 what is the name for the combined houses of the missouri legislature

    asked by joe
  56. Math

    Find the integrals. (show steps) (integral sign) xe^(4x^2) I think this how is how its done: (integral sign) xe^(4x^2) it's a u du problem let u=4x^2 so, du=8x dx now you have an x already so all u need is 8 inside and and 1/8 outside the integral [1/8]

    asked by Jay
  57. physics (check my work pleas)

    A 5.00kg ball is swung at the end of a 1.25 m chain with a w of 2.0s^-1. Find the balls a)V (m/s) b) KE 1/2mv^2 c) I, inertia d) Ke with I e) Fc--> centripetal force Work a) v=rw v= (1.25m)(2.0s^-1) v= 2.5 m/s b) 1/2 mv^2 (.5)(5)(2.5)^2 c) I=mr^2 =

    asked by susane
  58. infinite discontinuity

    How do check the graph of a function has an infinite discontinuity at a point or not? (without the help of a graphing calculator) example: Check whether y = (x^2-9)/(3x-9) has an infinite discontinuity at x = 3 or not CAn you get rid of the denominator?

    asked by Jen
  59. Economics

    You’ve been hired by an unprofitable firm to determine whether it should shut down its unprofitable operation. The firm currently uses 70 workers to produce 300 units of output per day. The daily wage (per worker) is $100, and the price of the firm’s

    asked by Sally
  60. word riddle help please

    to find the clue you must search the text Cause in the Late evening when dark is dim and Peaches are gray walk 1 north and then head east, till you find the pretty thing and tell me what it is! Without the text that needs to be searched, we cannot help

    asked by sharon
  61. English

    Rennet is an extract made from the ling of a calf's fourth stomach. List the subject, verb(tell whether it is linking or action), and then list the Direct Objects or predicate nouns or adjectives. I think it would be:Rennet(S), is made(A.V.), and then i

    asked by Katie
  62. Science_PLEASE HELP ME!!!

    how can paired chromosomes differ? PLEASE HELP ME!!! Each of the paired chromosomes are received one from the father and the other from the mother. They reflect their own personal genetic makeup. That's how they can differ. I hope this helps. If not,

    asked by Amy
  63. In washington

    John bolton resigned as U.S. ambassador to: A italy B china C the UN the UN

    asked by mak
  64. U.S

    a propane explosoin flattened an industrial warehouse in Wisconsin's biggest city. Name the city Since this is not my area of expertise, I searched Google under the key words "propane explosion Wisconsin" to get this information: Propane leak likely source

    asked by mak
  65. math, algebra

    Can someone correct these for me Directions: Write each of the following phrases, using symbols. (1)The sum of m and n, divided by the difference of m and n.

    asked by Jasmine20
  66. math,algebra

    How do I even write an equation for this problem all i need someone to show me how to get an equation so i can solve it. It is estimated that the Earth is losing 4000 species of plants and animals every year. If S represents the number of species living

    asked by Jasmine20
  67. Writing-- Desperately Need Help!!

    This is an assignment due Wednesday. I NEED HELP!! You purchase an Aqua Delux Aquarium, Model D978,from Fish Emporium,899 Wilon Lane,Forest River,ND 58233,for $325 in cash at a July clearance sale. A sign by the cash register says that all sales are final

    asked by Chandra
  68. Microbiology

    A patient had a biopsy of a lesion which showed a cysticercus. What parasite would have caused her disease and how is it treated. How could it be prevented http://en.wikipedia.org/wiki/Cysticercosis

    asked by Anonymous
  69. drbob222,math

    Am going correct with this one. It is estimated that the Earth is losing 4000 species of plants and animals every year. If S represents the number of species living last year, how many species are on Earth this year? S-4000=1 S=1+4000 S=4001 of species we

    asked by Jasmine20
  70. Books of the Bible

    How can I learn the books of the Old Testement? I need to learn it by tommorrw. Thanks for you help! It is probably too late. Learn them in goups of six: use flashcards. i was just playing. i have 1 week. Please can i have some home work for friday

    asked by Melthea
  71. microbiology

    A patient was seropositive for HIV experieced abdominal pain, fatigue, and low-grade fever for 2 weeks. A chest x-ray showed lung infultrates. Gram and acid fast stains were negative. Viral culture showed a large enveloped polyhedral virus with double

    asked by Anonymous
  72. grammar

    what is the verb in the sentence 'the girl is very pretty'. Is it 'is'? Yes.

    asked by amy
  73. acceleration estimate(bobpursley)

    Well, bobpursley explained this to me. I didn't understand this well. Since there was an error in the data, I am posting it again t(sec) v(ft/sec) 1 12.2 1.5 13 2 13.4 2.5 13.7 velocity of an object moving along a line at various times. How do I estimate

    asked by Jen
  74. physiology

    which of the following is greater? a) the amount of ADH released when blood osmolarity is high b) the amount of ADH released when blood osmolarity is low

    asked by pbear
  75. physiology

    which of thew following hormones is important in stimulating water conservation in the kidneys? a) atrial natiuretic peptide b) thymosin c) aldosterone d) antidiuretic hormone c

    asked by pbear
  76. acceleration estimate

    t(sec) 1 1.5 2 2.5 v(ft/sec) 12.2 1.3 13.4 13.7 velocity of an object moving along a line at various times. How do I estimate the object's acceleration(in ft/sec^2) at t=1 TIA t(sec) 1, 1.5, 2, 2.5 v(ft/sec) 12.2 ,1.3 ,13.4 ,13.7 The second velocity of

    asked by Jen
  77. calculus

    f(x) = x^2 g(x) = e^2x h(x) = ln(2x) which function is increasing the fastest when x = 2 How do I do this? TIA I will assume that g(x) = e^2x = e^(2x) and now e^x * x . It is ambiguous the way you have written it (1) Differentiate each function to get

    asked by Jen
  78. Statistics

    Assume that the cure rate for a certain drug is 20% and that 15 patients are tested with this drug. Find the following: a) Mean b) Standard Deviation c) P (exactly 4 cures) d) P (exactly 4 cures) A snack company distributes chips in bags labeled 6 ounces.

    asked by Mary
  79. Grammar

    What is a direct object search wikipedia "direct object" they have a great article there. It comes after the action verb and it answers the question whom or what. i.e. The pitcher noticed me.(noticed whom? me) i.e. The pitcher threw the ball.(threw what?

    asked by Patricia
  80. English

    Rennet is an extract made from the lining of a calf's fourth stomch. In the sentence above, what is the verb and is it linking or action? I thought it would be an action verb-is made.But I am not sure. The verb in the main clause is IS. Rennnet IS an

    asked by Katie
  81. stonehenge

    i'm researching stonehenge for my 8th grade gifted class. where can i find a website that will show me how to build a replica of it? http://www.fromoldbooks.org/OldEngland/pages/0002-Stonehenge-Restored-plan/

    asked by amy
  82. bowl bound

    Who will face the ohio state in the BCS title game http://www.google.com/search?hl=en&q=bcs+title There are several results here that should answer your questions. =)

    asked by mak
  83. factbag

    russia's KGB secret service is now called the A CIA B FSB C ICU I believe it is FSB. a study says residents of what state beat all others in charitable giving? A- New York B-North Dakota C- Utah

    asked by mak
  84. 1st grade homework question

    can the earths minerals be all used up or do they regrow?? That question has been answered just a few posts below. If you can't find it, please repost.

    asked by ALEXIS
  85. drbob222

    Can you check my previous postage I'd reply already. Thank you done below What are about the other messages are they okay too. I think I just finished with all of them.

    asked by Jasmine20
  86. Music

    What should I do to become a good Conductor Learn Music. Learn instruments.

    asked by George W. Adams
  87. math,algebra

    I'm not understanding so the answer should read as follows and steps: 15x^4y^9 divided by 3x^2y^2 = 5x^2y^7 Can you check this one for me. Direction. Simplify each of the following expressions where possible. 6x^2y^3+9x^2y^3 divided by 3x^2y^2 My answer:

    asked by Jasmine20
  88. history

    i need to know either American congressional corruption or ethical actions by American congress between 1989-1994, thanx. How bout the Dan Rostinkowski scandle or the Justice Thomas confirmation hearings. Use Google for more info

    asked by INEEDHELP!!!
  89. human physiology

    Acetylcholine is known to increase the contractility of smooth muscle. And norepinephrine is known to decrease the contractility of smooth muscle. Oxytocin is a hormone that causes uterine contractions. Correct? I did an experiment with a lab rat. We

    asked by Tanya
  90. Pigskin Geography

    What is the city with the most precipitation? http://www.google.com/search?q=rainiest+city+US&rls=com.microsoft:en-us:IE-SearchBox&ie=UTF-8&oe=UTF-8&sourceid=ie7 See the first, second, and fourth websites among these results. =)

    asked by ashley
  91. Physics

    A steam engine goes through the following 3 step process. I) Isobaric compression from a volume of 100 L to 10 L at a pressure of 4 x 105 Pa II) Isovolumetric process from a pressure of 4 x 105 Pa to a pressure of 4 x 106 Pa at a volume of 10L. III) An

    asked by Eric
  92. Chemistry/gases/temp/volume

    Given 120mL of neon gas at 40 degrees C, what teperature corresponds to a volume that has been decreased by 30mL? (P1V2)/T1 = (P2V2)/T2. Use V1 = 120 mL and V2 = 120-30=90 mL Don't forget to change degrees C to Kelvin. Kelvin = 273 + oC.

    asked by Desiree
  93. CHEM

    how do I work this question out?: 50.00g of NaCl are dissolved in water to give a solution that contains 2.500% NaCl by mass. The density of the solution is 1.030g/mL. The volume of the solution is: a)941.8mL; b)1.942L; c)2.500L; and, d)50.0mL. I know the

    asked by K
  94. alphabetizing

    what comes first girls or girl's? girl

    asked by brandon
  95. Shakespeare

    I am having trouble finding scholarly articles/essays on issues found in King Lear. Any suggestions? First look at this site for Themes and Motifs: http://www.sparknotes.com/shakespeare/lear/ Then use a search to check articles on those themes. One is

    asked by Carter
  96. pre algebra

    If the sum of an integer and a greater integer is 19.What is the greater integer? 9+10=19

    asked by Emily
  97. Pigskin Geography

    (week 15) identify the state capitals in which a game will be played? Which games? When? Please give us more information so that we can help you.

    asked by Rick
  98. Math

    What is the maximum slope for a bridge on an interstate? Since this is not my area of expertise, I searched Google under the key words "maximum slope interstate bridge" to get this possible source:

    asked by Carter
  99. Science!!!!!! HURRY

    How can paired chromosomes differ? THANKS FOR HELPING ME!! pLEASE HELP ME WITH MY QUESTION

    asked by Amy