Questions Asked on
July 7, 2010

  1. chemistry

    Sodium metal and water reacts to form hydrogen and sodium hydroxide. If 5.98g of sodium react with water to form .26g of hydrogen and 10.40g of sodium hydroxide, what mass of water was consumed in the reaction?

    asked by Amanda
  2. Chemistry

    Silver chloride, often used in silver plating, contains 75.27% Ag. Calculate the mass of silver chloride required to plate 195mg of pure silver.

    asked by Tiffany
  3. Physics

    A 200 g mass attached to a horizontal spring oscillates at a frequency of 2 Hz. At one instant the mass is at x=5 cm and has a Vx=-30 cm/s.Determine: a) the period ( i got T=.5s) b) the amplitude c) the max speed d) the total energy need equations to solve

    asked by Sarah
  4. Chemistry

    A student placed 17.0 g of glucose (C_6H_{12}O_6) in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100 mL mark on the neck of the flask was reached. The flask was then shaken

    asked by Tiffany
  5. Chemistry

    A car tyre has a volume of 10 L when inflated. The tyre is inflated to a pressure of 3 atm at 17°C with air. Due to driving, the temperature of the tyre increases to 47°C. a) what would be the pressure at this temperature? b) how many litres of air

    asked by Shoaib
  6. Chemistry

    Determine the number of moles of oxygen atoms in each of the following. 5.91mol H2O2 2.7mol N2O 2.23mol CO2

    asked by Tiffany
  7. Physics

    The ultrasonic transducer used in medical ultrasound imaging device is a very thin disk m = .10g driven back and forth in SHM at 1.0 MHz by an electromagnetic coil. a.) The maximum restoring force is 40,000 N. What is the maximum oscillation amplitude that

    asked by Kara
  8. Chemistry

    How many kilograms of chlorine are in 22 kg of each of the following chlorofluorocarbons CFCs? 1.CF2Cl2 2.CFCl3 3.C2F3Cl3 4.CF3Cl

    asked by Tiffany
  9. physics

    A person with mass 70 kg is climbing a ladder (length 6m, mass 20 kg) that leans against a smooth wall (no friction). A frictional force fs between the ladder and the floor keeps it from slipping. The angle between the ladder and the wall is 30 degrees.

    asked by josh
  10. ap chemistry

    purpose three models that explain JJ Thomson's findings and evaluate them? What does this mean? are you suppose to make up your own or look to others?

    asked by kelly
  11. MAJOR HELP NEEDED

    So this is what I have to do and I really don't get it. I've gotta describe ecological succession in terms of changes in the abiotic parts of an ecosystem. What do I do? Ecological succession refers to the changes that take place over time in the types of

    asked by Andrea
  12. physics

    A 0.50-kg ball is attached to a string of 0.50 m and swung in a horizontal circle with a velocity of 1.0 m/s. What is the centripetal force of the ball?

    asked by Jesse
  13. marketing opportunity cost

    Maurice receives $100 as a birthday gift. In deciding how to spend the money, he narrows his options down to four choices: Option A, Option B, Option C, and Option D. Each option costs $100. Finally he decides on Option B. The opportunity cost of this

    asked by Ali
  14. chemistry

    Imagine that you have a 7.00 gas tank and a 3.50 gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch. If you fill the larger tank with oxygen to a pressure of 115 , to what pressure

    asked by Tiffany
  15. Chemistry

    A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4, for a laboratory experiment. How many grams of Na3PO4 will be needed to produce 750 mL of a solution that has a concentration of Na^+ ions of 1.3 M? Express your answer numerically

    asked by Tiffany
  16. Need HELP ASAP - PLEASE ` economics

    Suppose the economy has been producing its potential, but it is now experiencing a recession. Which of the following is a discretionary fiscal policy that would bring the economy closer to its potential output? Check all that apply. 1) A tax cut 2) A tax

    asked by BC
  17. trig

    cotxcot2x-cot2xcot3x-cot3xcotx=1

    asked by kiran
  18. chemistry

    I need help solving this question.. An aqueous solution of ethylene glycol (C2H6O2) IS 40% ethylene glycol by mass, and has a density of 1.05g/ml. what are the molarity, molality fraction of the solution?

    asked by Linda
  19. college chemistry

    A closed container is filled with oxygen. The pressure in the container is 325 . What is the pressure in millimeters of mercury?

    asked by Tiffany
  20. Statistics

    1. For the following exercise, complete the following by using the data sets below that provides the ages of the first seven presidents: a. Find the mean, median, and range for each of the two data sets. b. Find the standard deviation using the range rule

    asked by Anonymous
  21. Geography

    [THESE QUESTIONS ARE NOT THE SAME AS MY PREVIOUS POST) I am working on my take home quiz questions now...and i am not sure about the answers of the folowing questions...can anyone please help me to check???? THANKS A LOT!!!! (The "*" represents the answer

    asked by Monique
  22. Literature! HELP

    Romanticism became popular _____. A. before the Enlightenment B. during the Enlightenment C. at the end of the Enlightenment D. a century after the end of the Enlightenment

    asked by Allen
  23. Business Communication

    Select the best choice. If commas are unnecessary, select D, "No commas needed." A. Bryan grilled, hot dogs, hamburger patties, chicken hindquarters and shrimp kabobs on his new barbeque grill. B. Bryan grilled hot dogs, hamburger patties, chicken

    asked by Rain Misoa
  24. Geography

    I am working on my take home quiz questions now...and i am not sure about the answers of the folowing questions...can anyone please help me to check???? THANKS A LOT!!!! (The "*" represents the answer I chose) In the United States, early warning systems

    asked by Monique
  25. college chemisrty

    A certain amount of chlorine gas was placed inside a cylinder with a movable piston at one end. The initial volume was 3.00 and the initial pressure of chlorine was 1.65 . The piston was pushed down to change the volume to 1.00 . Calculate the final

    asked by Tiffany
  26. Business Communication

    Indicate whether the underlined words or groups of words need capital or lower case letters by selecting the best choice. If an underlined section is correct, select "No change." "Hush little baby," my grandfather would often whisper softly to me, "Don't

    asked by Rain Misoa
  27. chemistry

    When .03 mol Na is added to 100g of water, the temp. of the resulting solution rises from 25C to 37.9C. If the specific heat of the solution is 4.18 J/(g C), calculate delta H for the reaction, 2Na(s) + 2H2O(l) --> 2NaOH(aq) + H2(g)

    asked by Amanda
  28. physics

    calculate the maximum increase in photon wavelength that can occur during Compton Scattering. (answer in pm).

    asked by xyz
  29. writing

    Is this correct possessive pronoun? My brother owes money and he refuses to pay back MINE (Possessive pronoun)

    asked by Deb
  30. College Chemistry

    Given 20 mL NaOH; 0.1 M, add 0.05 M HCl, 10 mL at a time. What is the pH initially of NaOH? What is the pH after adding 10 mL 0.05 M HCl? What is the pH after adding 20 mL 0.05 M HCl? What is the pH after adding 30 mL 0.05 M HCl? What is the pH after

    asked by Erika
  31. Business Communication

    Indicate whether the underlined words or groups of words need capital or lower case letters by selecting the best choice. If an underlined section is correct, select "No change." Alejandro shared his concerns about the increased crime with councilmember

    asked by Rain Misoa
  32. Chemistry

    Upon decomposition, one sample of magnesium fluoride produced 1.64 kg of magnesium and 2.57 kg of fluorine. A second sample produced 1.38 kg of magnesium. How much fluorine (in grams) did the second sample produce?

    asked by Tiffany
  33. US History

    Which of these resolutions was included in the Compromise of 1850 to satisfy the South? A.admission of Texas to the Union as a slave state B.Admission of California as a free state to balance Missouri C.agreement that the slave trade was to be banned in

    asked by Am
  34. arithmetic

    WAT IS 2/3 TO THE 2ND POWER TIMES 3/5 TO THE 2ND POWER

    asked by VIOLANDA
  35. BIOLOGY

    what role do microorganisms play in ecological succession? they play role in ecosystem by occuping a niche. have i got it down correct?

    asked by Andrea
  36. physics

    900k,what is the pressure inside a container? I understand that the air pressure is proportional to both the air's density and air temperature, but I'm unsure of the calculation to determine the pressure

    asked by Danielle
  37. Physics

    Force and Motion: A 12 kg armadillo runs onto a large pond of level, frictionless ice. The armadillo's initial velocity is 5m/s along the positive direction of the x-axis. Take its initial position on the ice as being the origin. It slips over the ice

    asked by Rick
  38. Physics - Projectile Motion

    "A person fires a bullet horizontally from a gun at the same instant that another bullet is dropped from the same height as the rifle barrel. Discuss which bullet will hit the ground first." I'm thinking that the bullet that is dropped will hit first,

    asked by Stuck
  39. physics

    1. How far (in meters) must a 600 kg pile driver fall, if it is to do 14000 J of work? 2. A spring whose spring constant is 150 N/m is compressed 0.800 m. What speed (in meters/second) can it give to a 0.600 kg ball when released? 3. A 550 N crate rests on

    asked by Ricky
  40. Geometry

    Points (5, 3) and (6, 2) lie on line k. Which is the slope of the line that is parallel to k?

    asked by BOB
  41. Physics - Another Question

    "An airplane if flying level at 80.0m above the ground with a speed of 350km/h. The bombardier wishes to drop food and medical supplies to hit a target on the ground. At what horizontal distance from the target should the bombardier release the supplies?"

    asked by Stuck
  42. Food Web

    A food web contains green plants, rabbits, squirrels, mice, seed-eating birds, hawks, and owls. Which organisms in this food web would contain the greatest biomass? Which one would have the least? Explain I think that the greatest biomass would be plants

    asked by Amanda
  43. stats

    A financial institution wishes to estimate the mean balances owed by its credit card customers. The population standard deviation is estimated to be $300. If a 98 percent confidence interval is used and an interval of ±$75 is desired, how many cardholders

    asked by Ali
  44. For Lily

    Please do not append a new question at the end of somebody else posting. Your question will likely be passed over, since most tutors will not look at a posting if they see that it has been answered. http://www.jiskha.com/display.cgi?id=1278474837

    asked by Reiny
  45. math

    Use the symbol < or > to complete the statement -3----- 1/7

    asked by Norma
  46. Grammar

    Affect or Effect 1. Television has a strong _____ on public opinion 2.My mood can _____ my thinking, too. 3.I see that you're trying to ___ apathy, but i know that you really do care. 4. Falling on my head had a bad ____ on my memory. 5. His years of

    asked by LaLy
  47. math

    how to solve for radius of horizontal curve with coordinates(NE) for points A,B, C on the curve Point A : N1405.4018 E1256.7569 Point B : N1283.3703 E1294.7027 Point C : N1225.9373 E1286.6137

    asked by Stacey Graham
  48. Geometry

    Point P lies in plane M. How many circles are there in plane M that have center P and a circumference of 6π inches? a) none b) one c) two d) four e) more than four

    asked by Liv
  49. geometry

    Points (2, 0) and (0, 3) lie on line k. Which is the slope of the line that is perpendicular to k?

    asked by Superman
  50. CHEMISTRY

    I just took a chemistry midterm and our teacher let us keep the exam. I was wondering if you could let me know if I was right or wrong for the following questions. I can ask my professor later for details. Which of the following are best described as

    asked by G
  51. BIOLOGY

    which of the following are mature(climax) communities? a tundra b sand dune c temperate rainforest d wetland I'm guessing it's b - sand dune

    asked by Andrea
  52. college chemisrty

    A cylinder with a movable piston contains 2.00 of helium, , at room temperature. More helium was added to the cylinder and the volume was adjusted so that the gas pressure remained the same. How many grams of helium were added to the cylinder if the volume

    asked by Tiffany
  53. Algebra

    Hello, could someone check my answers to the following 1.For the function f(x) = x^2 - 2x + 1, (a) find f(0) My Ans: (0) = 0² - 2(0) + 1 = 0 - 0 + 1 = 1 f(0) = 1 (b) solve f(x) = 0 My Ans: 0 = x² - 2x + 1 (x - 1)(x - 1) = 0 (x - 1)² = 0 x = 1 2. (Solve

    asked by Tamir
  54. chemistry

    The vitamin niacin can be isolated from liver, yeast, milk, and whole grain. Which source would be the best for a multivitamin tablet

    asked by kelly
  55. Statistics

    2. Any given data set consists of a set of numerical values. Please indicate by stating yes or no for each of the following statements whether or not it could be correct for any data set. (This question is not referring to the data that is given above.) a.

    asked by Anonymous
  56. English

    the first published Tarzan story tells of: a Tarzan's first meeting with Jane b conflict with his cousin William Clayton c the death of Tarzan's parents in an African jungle my answer is c but i am not really sure it has referred to the first meet between

    asked by Rainbow
  57. geometry

    Congruent triangles have a relation. Which is not an equivalence relation? ________________________________________ A reflexive B symmetric C distributive D transitive

    asked by Superman
  58. chemistry

    This is what it says on his website. Look at the posts from 06/28/10 to 07/07/10, but specifically look at 07/07/10. Our test that we took was our midterm. Sorry to keep bothering you. I just want to prove that I am not taking a take home exam :)

    asked by G
  59. physics

    1. How far (in meters) must a 600 kg pile driver fall, if it is to do 14000 J of work? 2. A spring whose spring constant is 150 N/m is compressed 0.800 m. What speed (in meters/second) can it give to a 0.600 kg ball when released? 3. A 550 N crate rests on

    asked by Ricky
  60. stats

    Hess, Inc. sells a single product with a contribution margin of $12 per unit and fixed costs of $74,400 and sales for the current year of $100,000. How much is Hess’s break even point?

    asked by Ali
  61. math

    what is the total surface area in meters of a cylinder that is 12m in diameter and 14m in height

    asked by Tiffany
  62. english

    whats the appropriate way of greeting others -Good Morning, how was your day today? -Hey, what's up?

    asked by yovamelia
  63. PSY 240

    •Post a 5- to 7-slide Microsoft® PowerPoint® presentation summarizing the different perspectives on sexual orientation and identity. Here's my problem. I have read the entire chapter regarding this assignment and didn't come across any perspectives on

    asked by Nikki
  64. BIOLOGY TEACHER

    Biology teacher help me with two questions. what role do microorganisms play in ecological succession? describe ecological succession in terms of changes in the abiotic parts of an ecosystem

    asked by Andrea
  65. English

    In a cavern, in a canyon Excavating for a mine Dwelt a miner forty-niner And his daughter, Clementine Oh, my darling, oh, my darling Oh, my darling Clementine You are lost and gone forever Dreadful sorry, Clementine ------------------ (Does the front part

    asked by rfvv
  66. MATH

    a picture measures 16inches wide by 20inches long. if the frame is to be 20inches wide, what is the scale factor of the frame as a dilation of the picture, and what is the length of the frame?

    asked by Tiffany
  67. physics

    A boulder weighs 800N at the surface of the earth. What would be its weight at a distance of three earth's radii from the center of the earth?

    asked by weng
  68. Statistics

    A test of 60 youths and 140 adults showed that 22 of the youths and 10 of the adults were careless drivers. Use a 1% level of significance to test the claim that the youth percentage of careless drivers is higher than the adult percentage. Next find the

    asked by Polly
  69. psychology

    Why is reinforcement generally preferable to punishment in promoting behavior modification?

    asked by jerry
  70. college

    7) Which of the following is true? A. The product P in the marketing mix stands for only tangible merchandise. B. The product P in the marketing mix stands for only physical goods. C. The product P in the marketing mix stands for both physical goods and

    asked by jesse
  71. Algebra

    Need help plz. Don't really get this "reversing the digits" What is this really called in math language? Prob:Find the product of 32 and 46. Now reverse the digits and find the product of 23 an 64. The products are the same. Does this happen with any pair

    asked by Katti
  72. english

    identify the folowing tenses give reasons for identification. i have never met any body famous john is having a shower at the moment i go shopping at least twice a week i have been working herefor 10 years

    asked by rose
  73. BIOLOGY

    which of the following are mature(climax) communities? a tundra b sand dune c temperate rainforest d wetland I'm guessing it's sand dune or wetland

    asked by Andrea
  74. Math

    A square of area 2 is inscribed in a circle. What is the area of the circle?

    asked by Vince
  75. Com/155

    Can someone tell me if this is the correct use of pronouns? My brother owes me money and he refuses to pay me. (Possessive pronoun) I now have to pay my parents back. (Subject pronoun) My parents said they’ve given me enough time already. (Object

    asked by Deb
  76. Math

    Can someone please check this for mistakes please? y=4(x+3)-2x y=4x+3-2x y=2x+3 2x+3=y 2x=y-3 x=y/2-3 Hopefully I have rearranged the formula y=4(x+3)-2x to express x in terms of y.

    asked by Ann
  77. Math

    How do I find the x intercepts of the parabola y=x^2-6x-7? Thanks

    asked by Dave
  78. ENGLISH

    What is the proper noun and common noun in this sentence. On his journey back to America, Victor sailed on the Princess.

    asked by ALEX
  79. algebra

    find the equation for the line that passes through the point (-5,-1) and that os parallel to the line with the equation -x+2y=5

    asked by cm
  80. ???????????

    What role do micro-organisms play in ecological succession?

    asked by Andrea
  81. You tell me:-)

    Hey, this is a simple question my teacher asked us all students today infront of the class and no one got it right. I'd like to know what the importance of sustainability is?

    asked by Rebecca
  82. Maths

    How do I solve this equation please? x^2 + -5x = 0

    asked by Del
  83. Business Communication

    Identify the sentence that uses numbers and abbreviations correctly. A. My professor assigned 5 homework problems. B. One tbsp. equals fifteen milliliters. C. 20 horses are in the field. D. The main cave at Lascaux is called the Great Hall of Bulls: e.g.,

    asked by Rain Misoa
  84. 1st grade

    help me make a sets of objects showing more than in a set cards

    asked by ced
  85. geometry

    Which is the slope of a line with the coordinates (1, 4) and (3, 1)?

    asked by Superman
  86. BIOLOGY teacher ms sue

    Could you put that question in simple terms so i can understand. Im talking about this one describe ecological succession in terms of changes in the abiotic parts of an ecosystem.

    asked by Andrea
  87. English Literature

    I need to write an essay that will include the following: The Iliad, Richard III, War and Peach and Henry IV. I need to compare and contrast these four stories in relation to war. Can someone help me 1.) with a possible thesis and 2.) how to go about

    asked by Michelle
  88. ipc

    The relationship between the angle of incidence and the angle of refraction is known as _______ law.

    asked by shandolyn
  89. BIOLOGY

    what role do microorganisms play in ecological succession? they play role in ecosystem by occuping a niche. have i got it down correct?

    asked by Andrea
  90. COM/155

    aRE THESE CORRECT? My brother owes me money and HE refuses to pay me. (Possessive pronoun) I now have to pay my parents back. (Subject pronoun) My parents said they’ve given ME enough time already. (Object pronoun) EVERYBODY is mad at me now. (Indefinite

    asked by Deb
  91. Business

    The Smart Chips Company specializes in developing first-of-its-kind microchips;yet its market share has been hurt by "clone" microchips. The Robbins text outlines requirements for Value Chain Management. In 4-6 paragraphs discuss how you would put these

    asked by Joan
  92. CHEMISTRY

    AMMONIA GAS OCCUPIES A VOLUME OF 5.00 L AT 4DEGREES C AT 760 TORR. FIND ITS VOLUME AT77DEGREES C AND 800 TORR

    asked by CHEM CHEM
  93. math

    find m

    asked by Norma
  94. accounting

    The Ritz Manor is a popular seaside resort. A double room costs $220 for one night. To reserve a room, guests must pay one night’s stay in advance. On each floor of the hotel, Vendalite Company operates vending machines with energy bars, juices, and

    asked by Anonymous
  95. accounting

    The Ritz Manor is a popular seaside resort. A double room costs $220 for one night. To reserve a room, guests must pay one night’s stay in advance. On each floor of the hotel, Vendalite Company operates vending machines with energy bars, juices, and

    asked by jazzyshoes2004
  96. Statistics

    3. Indicate whether the given statement could apply to a data set consisting of 1,000 values that are all different. a. The 29th percentile is greater than the 30th percentile. b. The median is greater than the first quartile. c. The third quartile is

    asked by Anonymous
  97. physics

    what is the value of the acceleration due to gravity of the earth at an altitude twice the radius of the earth?

    asked by weng
  98. chemistry

    Dear Dr. Bob, Go to this website listed and you will see that this is not a take home exam. This is my professor's website and you can see his comment on the exams we took today 7/7/10. I just want to know what my score is so I can just relax. type in eee

    asked by G
  99. physics

    Fretta and her brother deucde to visit some friends near a house.they decide to travel along the road and go 250 m(W),360 m(W40degreesN), and then200 m(N).. we need to find :the resultant displacement. hi please help me with this, so far iv figured it out

    asked by imran
  100. English

    i just want to check the answers the years between 1920 and 1930 could be described as a time that showed an increase in methods of communication i think it is false i think the new fashion and dance are not the way of communication most of the authors

    asked by Rainbow
  101. CHILD CARE

    SAMUEL IS BEGINNING TO REALIZE THAT HE HAS A TALENT FOR ART, AND HE FEELS GOOD ABOUT IT WHICH OF ERIKSONS STAGES MAY HE HAVE REACHED(A) AUTONOMY VS SHAME (B) INDUSTRY VS INFERIORITY ( C)INITIATIVE VS GUILT (D)IDENTITY VS ROLE CONFUSION

    asked by colleen
  102. medieval history

    how did renaissance and medieval hermeneutics differ, and why does it matter?

    asked by Laja
  103. child care

    the best strategy for encouraging social competence with a group of school-age children is to (a(reassure the student about positive behavior (b)punish students for antisocial behavior (c)use external rewards (d) model good social skills

    asked by colleen
  104. Literature HELP!!

    Effectively interpreting symbols in a poem requires _____. A. a degree in English B. knowledge about the time period and author as well as evidence from the poem C. Internet research to see what other people have said about the poem D.rhythm and meter to

    asked by Ashley
  105. Business Communications

    Which of the following selections contains a run-on? If none of the selections contains a run-on, select "Correct." A. Everyone praised Matthew for his will power. B. He quit smoking five years ago, he still craves a cigarette from time to time. C.

    asked by Rain
  106. physcial science

    which observation most clearly supports the inference that liquids are composed of small particles in motion

    asked by ryan
  107. billing and coding

    You’re reviewing reimbursement for a Medicare surgical craniotomy case. The case falls into DRG 1, which has a relative weight of 3.0970 and a geometric mean length of stay of 6.3. The hospital’s current standard reimbursement rate is $1500. Calculate

    asked by Anonymous
  108. Chemistry

    How do you find the density of Uranium Hexafloride?

    asked by Victoria
  109. Math

    What property is demonstrated by the following? y = 3x + 7 and x = 3 y = 3 • 3 + 7 A.reflexive property B.symmetry C.transitive property D.substitution

    asked by Alexis
  110. ms sue y u not helping me

    ms sue i wanna get this done before going to sleep, please provide me with help, atleast the first question, i don't get it. could you give me a small anser so i can atleast figure whats going on.

    asked by Andrea
  111. HELP MATH

    What property is demonstrated by the following? y = 3x + 7 and x = 3 y = 3 • 3 + 7 A.reflexive property B.symmetry C.transitive property D.substitution

    asked by Alexis
  112. Math

    Find the equation of a line with slope m = -3 that passes through the point(5, -7) A.y = -3x + 22 B.y = -3x - 22 C.y = -3x + 8 D.y = -3x -8

    asked by Alexis
  113. Algebra

    Dont even know where to start on this one! x +3 - 1/x=0 2a-b =8 3a+2b=5 Please help!!!

    asked by Jo
  114. Computer

    Acess An employee at xyz Recruiters would like to add some additional fields to the Client table. He needs to add fields that will store the Web page for a client as well as whether or not the client participates in a preferred client program. 1. What data

    asked by Mimi
  115. Creative writing

    what are some drafting strategies when writing

    asked by Amber
  116. Business

    Using requirements of Value Chain Management put these requirements to work specifically at the Smart Chips Company in order to help it remain competitive in the long run.

    asked by Jennifer
  117. Sociology

    Until recent times, democracy—that is freely elected governments and civil societies (something we take for granted in the US) were not considered desirable in many Third World Countries. Why was that the case? Why has this changed in recent times?

    asked by Sue Ann
  118. child care

    child care staff are most effective during science activities when they

    asked by colleen
  119. government

    If Congress disagreed with a Supreme Court ruling on a federal statute, it could possibly

    asked by tasha
  120. calc

    You've dropped a lucky penny into the middle of a hemispherical water basin of radius 3m. There is a light on the upper edge of the basin. The penny falls vertically along the axis of symmetry of the basin, and when it is 1m from the bottom of the basin it

    asked by laur
  121. ap chemistry

    The vitamin niacin can be isolated from lover, yeast, milk, and whole grain. Which source would be the best for a multivitamin tablet

    asked by ben
  122. physical science

    If the number of coils in the wire is doubled from 100 to 200, and the original rate of 2 times per second is kept the same, what will be the new voltage induced?

    asked by somone
  123. biology

    You are the director of research for a drug company. The following list of candidate drugs is brought to you. Which is the most likely to be worth developing as a cancer chemotherapy agent? A drug that a. interferes with cellular respiration b. causes

    asked by Amy
  124. english literature

    Why did Wordsworth use simple diction in "The Solitary Reaper"?

    asked by ashley
  125. math

    A crate's weight is 4 pounds more than one-third its weight. How many pounds does it weigh? 2 3 4 6 Explain.

    asked by M.A.
  126. math

    Bob constructed a decorative planter using 4inch squares attached to a rectangular base. what is the volume of the planter/

    asked by Tiffany
  127. math

    a picture measures 16inches wide by 20inches long. if the frame is to be 20inches wide, what is the scale factor of the frame as a dilation of the picture, and what is the length of the frame?

    asked by Tiffany
  128. Biology/ms. sue

    ms. sue help =-(

    asked by Andrea
  129. math

    11-6/7/7 is the answer 0 or 3.14

    asked by Norma
  130. math

    Suppose that the number of new homes built, H, in a city over a period of time, t, is graphed on a rectangular coordinate system where time is on the horizontal axis. Suppose that the number of homes built can be modeled by an exponential function, H= p *

    asked by Anonymous
  131. math

    Find mFind m„£a and m„£b. A) m„£a ƒ­ 120„a ; m„£b ƒ­ 60„a B) m„£a ƒ­ 60„a ; m„£b ƒ­ 120„a C) m„£a ƒ­ 110„a ; m„£b ƒ­ 70„a D) m„£a ƒ­ 80„a ; m„£b ƒ­ 100„a „£a and m„£b.

    asked by Norma
  132. world history

    During the "time of troybles" in the early 17th century , russia a) was divied and torn by civil war b)Was reconquered by mongol invaders c)revolted agaist the absolute rule of ivan iv "the terrible" D)invaded china, but was defeated

    asked by Sergio
  133. business

    The Smart Chips compnay specializes in

    asked by Joan
  134. COM/155

    How can I make this to be possessive? My brother owes me money and he refuses to pay me. (Possessive pronoun)

    asked by Deb
  135. Computer

    An employee at xyz Recruiters would like to query the Recruiter table. She has created a query and entered the fields she wants to display in the result in the design grid. Now, she enters the criteria. 3. What would the employee enter in the Criteria row

    asked by Mimi
  136. English

    in the Tarzan excerpt in this unit, Tarzan was trying to get a land that was: a difficult to enter b both c populated with prehistoric animals my answer is b it is right?

    asked by Rainbow
  137. English

    in the Tarzan excerpt in this unit, one obvious difference betwween Tarzan and the man-thing was: a their hunting abilities b both c the man-thing had a hairless tail my answer is b i am sure c is right but i think a is right

    asked by Rainbow
  138. English

    women were not able to make any progress in their rights during the 1920s false women got vote and they could do some jobs that just for men before most of the authors listed for the years between 1920 and 1930 wrote fiction false is it right?

    asked by Rainbow
  139. Math

    Soybean meal is 18% protein, cornmeal is 9% protein. how many pounds of each should be mixed together to get a 360 pound mixture that is 15% protein ? Word problems are my favorites, but this one is confusing me. Help is very much appreciated

    asked by Christy
  140. English

    the setting for the excerpt about Tarzan the terrible in this unit is a none b during the jazz age c during ww1 i know the previous novel is set the early day of ww1 but i am not sure this one is set during ww1

    asked by Rainbow
  141. English

    in the Tarzan the terrible chapter1 in this unit, tarzan is most concerned with a finding food to survice b getting to know the man-thing c rescuing his wife, jane i think a and b are correct he and the man-thing killed the lion and ate deer together i

    asked by Rainbow
  142. math

    what is answer to equation 3x+1=-5x+65? I came up with x=33, but don't think I did it right.

    asked by ryan
  143. CULTURAL DIVERSITY

    My question is, what discrimination did portugues face. I have been doing alot of research and am not finding anything on discrimination. Any websites or books you could suggest?

    asked by cassie
  144. child care exam number 00390500

    proximal development

    asked by colleen
  145. English Literature

    I've posted a couple times before but I'm still at a lost, your team has been very helpful, if I could bother you once more. I have to write an essay based on four different wars - The Iliad, War and Peace, Richard III and Henry IV, someone earlier gave me

    asked by Michelle
  146. BIO

    I really need help with this question, Damon gave me an answer, but I do not know if it is for this question or for the one posted after. This is the only question I need help on, I promise not to post any other questions after this I need help

    asked by Andrea
  147. algebra

    find the slope (4,-4)

    asked by Bob
  148. To Al 92

    http://www.jiskha.com/display.cgi?id=1278284743 I haven't been on in a few days, but noticed you posted that follow up question. Sorry I missed it.

    asked by MattsRiceBowl
  149. BIO teacher help

    ms sue i got an answer

    asked by Andrea
  150. Math

    If g(x)>0 for all real values of x, which of the following could be the function g? a) g(x) = x + 1 b) g(x) = x - 1 c) g(x) = x^2 + 1 d) g(x) = x^2 - 1 e) g(x)= x^3 1

    asked by Kimberly
  151. Business

    why do small businesses need a pay plan?

    asked by Marissa
  152. ENGLSH

    According to most Romanticists, the developments of science and industry brought about what kind of changes to the world? A.useful changes B.harmful changes C.essential changes D.unimportantchanges

    asked by ashley
  153. math

    divide-15/-3 can anyone help me

    asked by Norma
  154. math

    which of the following triangles is both an obtuse triangle and isosceles triangle. A triangle with angles measuring: a) 60,60,60 b) 120,30,30 c) 110,15,55 d) 30,70,80

    asked by Tiffany
  155. COM/155

    My brother owes me money and he refuses to pay me. (Possessive pronoun) Is brother the possessive or is it me?

    asked by Deb
  156. English

    Tarzan is best labbled as which archetype? a bad boy b none c chief d super-hero e charmer i think c and d are the possible amswers because i think Tarzan has some characteristic as same as c and d

    asked by Rainbow
  157. child care

    one of the most important function pf a child's peer group is

    asked by colleen
  158. math algebra

    apply parallelogram method fx=30N fr=? fy=20N theta=?

    asked by Anonymous