1. Physics!!!!

    3. You push your physics book 1.50 m along a horizontal table- top with a horizontal push of 2.40 N while the opposing force of friction is 0.600 N. How much work does each of the following forces do on the book: (a) your 2.40-N push, (b) the friction

    asked by Anonymous on October 24, 2015
  2. chemistry

    I would also like to see Nathaniels work solved:P I have a similar question If 1.00 mol each of carbon dioxide and hydrogen is initially injected into a 10.0-L reaction chamber at 986 degrees Celsius, what would be the concentrations of each entity at

    asked by Jessica on March 31, 2008
  3. physics

    An object of mass 10.0 kg is released from the top of an inclined plane which makes an angle of inclination of 30 degrees with the horizontal. The object slides along the inclined plane. The questions refer to the instant when the object has traveled

    asked by Chika on July 31, 2010
  4. Physics

    A baseball is tossed at a steep angle into the air and makes a smooth parabolic path. Its time in the air is t and it reaches a maximum height h. Assume that air resistance is negligible. a. Show that the height reached by the ball is gt^2/8. b. If the

    asked by Allen on July 17, 2011
  5. In-class presentation (history)

    Hi Look, I'm stuck. I've been trying to get an idea all week. The last thing that I want to do is use a powerpoint as my visual aid. In fact i've removed it from even being considered. At one point I thought about doing a video confrence or asking

    asked by Em on August 9, 2011
  6. In-class presentation URGENT history

    Hi Look, I'm stuck. I've been trying to get an idea all week. The last thing that I want to do is use a powerpoint as my visual aid. In fact i've removed it from even being considered. At one point I thought about doing a video confrence or asking

    asked by Em on August 9, 2011
  7. Math

    My Shopping List 1. Please describe how to find a unit price. * a price for foodstuffs, stated or shown as the cost per unit, as per pound, per kilogram, per dozen, Contemporary definitions for unit price Expand. noun. the cost of a single commodity Unit

    asked by straight A student on January 13, 2017
  8. Chemistry

    [6 points] You need to make a solution of Ca(NO3)2 for a class demonstration. First, you measure a quantity of the solid Ca(NO3)2 by weighing the reagent container before obtaining the sample (4.2540 ± 0.0003 g) and after taking some reagent (3.9440 ±

    asked by Alex on April 7, 2010
  9. English

    1.In "Delfino II:nDiez in the Desert," the first thing that went wrong on Diez's ill-fated trip was that. A. a woman became delirious and died. B. a rash struck those who had been slashed by cactus needles. C.Diez got in a fistfight with his coyote

    asked by GummyBears on December 7, 2015
  10. Physicss

    A guy playing basket-ball needs to make the penalty shot for his team to win. Given that the ball is thrown from a height of 2 meters at an angle of 60 degrees, that the post is situated at a distance of 7 m and standing at 3.5 m: a) What does the initial

    asked by Brian on November 18, 2011
  11. Art

    choose the most appropriate method of restoration and preservation for broken pottery vessel 1.use duct tape to patch the pot,then display in case 2.use special glue to repair the pot and store in a glass case*** 3.sit the pieces outside to bleach in the

    asked by sendtheword on October 15, 2018
  12. Physics

    A guy playing basket-ball needs to make the penalty shot for his team to win. Given that the ball is thrown from a height of 2 meters at an angle of 60 degrees, that the post is situated at a distance of 7 m and standing at 3.5 m: a) What does the initial

    asked by Brian on November 19, 2011
  13. Business Research

    1. You are the head researcher on a study that is tracking vocational preferences from high school through middle adulthood. List the steps you would take in selecting the sample to be used in the study. 2. A researcher decides to give a questionnaire on

    asked by Lindsey on January 25, 2012
  14. economic

    supposes that a borrower and a lender agree on the nominal interest rate to be paid on a loan. Then inflation turns out to be higher than they both expected. Using a method similar to the GDP deflator, compute the percentage change of the overall price

    asked by maya on April 25, 2011
  15. Math help quickly

    Use the expressions for left and right sums and the table below. right-hand sum = summation (n above and i =1 on the bottom) f(ti) * change in t = f(t1) * change in t + f(t2) * change in t + .... + f (tn) * change in t left-hand sum = summation (n above

    asked by Zoe on March 13, 2012
  16. Check my work please!

    How does subduction change the ocean floor? a) subduction cause magma to accumulate on the ocean floor b) subduction causes oceanic crust to break into pieces c) subduction causes the ocean floor to sink into deep-ocean trenches d) subduction causes

    asked by Destiny on April 24, 2015
  17. Chemistry

    In the laboratory you will be provided with a 1.0 x 10-5 M primary stock solution of fluorescein (MW=332.31g/mol). The calibration curve should include a blank, 0.025, 0.05, 0.075, 0.10, 0.15, and 0.25 micromolar fluorescein solutions. Since you will be

    asked by Guy on October 19, 2016
  18. Math11

    You want to buy a used all-terrain vehicle (ATV) that costs $2800.00. You Have $1100.00 in savings and can save $200.00 more a month. Your local credit union offers loans at 6.50% per annum over a term of 12 months. You have a bank credit card with an

    asked by Jerra on April 29, 2014
  19. math

    What happens to y as x gets larger? What happens to x as y gets larger? d) Given a line containing the points (1,4), (2,7), and (3,10) determine the slope-intercept form of the equation, provide one additional point on this line, and graph the function.

    asked by joni on January 12, 2007
  20. chem

    I'm stuck on this one aswell... 50.0 ml of a 0.0500 M solution of lead (II) nitrate is mixed with 40.0 ml of a 0.200 M solution of sodium iodate at 25°C. Calculate the Pb2+ and IO3- concentrations when the mixture comes to equilibrium. At this temperature

    asked by Ilene on May 2, 2007
  21. physics

    Two dogs pull horizontally on ropes attached to a post; the angle between the ropes is 65.0ú. Dog " A" exerts a force of 256 N and dog " B " exerts a force of 344 N . I) Find the magnitude of the resultant force. ( Answered = 508 N ) II) Find the angle

    asked by kuwaiti on November 10, 2006
  22. IT 221

    The key to the successful use of a communication plan is to start it before the implementation of the final solution or change in the process. Start with a realistic evaluation of the the people and groups that have or could have an influence on the

    asked by Sam on December 9, 2008
  23. Algebra

    You commute 56 miles one way to work. The trip to work takes 10 minutes longer than the trip home. Your average speed on the trip home is 8 miles per hour faster. What is your average speed on the trip home? And please go through the steps and give me an

    asked by JIM on September 24, 2007
  24. Algebra

    You commute 56 miles one way to work. The trip to work takes 10 minutes longer than the trip home. Your average speed on the trip home is 8 miles per hour faster. What is your average speed on the trip home? I got to this point xy=56 (x-8)(y+10)=56 I

    asked by JIM on September 24, 2007
  25. chemistry

    What mass of benzoic acid can be made from a reaction where 4.87g benzyl alcohol is combined with 300mL of bleach? The reaction is conducted in water and dichloromethane. Describe a method of separating the benzoic acid from the sodium chloride byproduct

    asked by Chad on February 8, 2010
  26. chemistry

    What mass of benzoic acid can be made from a reaction where 4.87g benzyl alcohol is combined with 300mL of bleach? The reaction is conducted in water and dichloromethane. Describe a method of separating the benzoic acid from the sodium chloride byproduct

    asked by Linda on February 7, 2010
  27. word problem

    ok, this is probably a crazy question...but i just want to double check my answer. The question is: What is the least 9 digit number there is using the numbers 1-9 only one time. ??? 123456789 good, that makes me feel better. I was thrown by it at

    asked by Jara on August 16, 2005
  28. Algebra 2

    A package with square ends has combined length and girth(girth is perimeter of a cross section) of 120 in. The surface area of the entire package is 3600 sq. in. Determine the dimensions of the package. s in. * s in.* l in. One solution is: 11.08in. *

    asked by Nancy on April 29, 2012
  29. algebra2

    A package with square ends has combined length and girth(girth is perimeter of a cross section) of 120 in. The surface area of the entire package is 3600 sq. in. Determine the dimensions of the package. s in. * s in.* l in. One solution is: 11.08in. *

    asked by Chelsea:) on April 26, 2012
  30. Chemistry

    How would the following affect the calculated value of neutralizing power of antacid (make it higher, lower or no effect)? [The lab uses the back titration technique] 1) The solution mixture of reacted antacid and excess of HCl spattered out the flask

    asked by Emily on November 6, 2017
  31. word problem

    A man has 37 coins in his pocket, all which are dimes and quarters. If the total value of his change is $6.70, how many dimes and how many quarters does he have? Let x represent the number of dimes and y represent the number of quarters. its asking me just

    asked by Carlos on April 5, 2017
  32. Chemistry

    mass of empty flask with stopper = 32.634 g mass of flask with water and stopper = 59.479 g density of the water = 0.9973 g/cm^3 mass of water = 26.845 g volume of water = 26.918 cm^3 the flask is then emptied and an unknown substance is added mass of

    asked by Vanessa on October 16, 2007
  33. Statistics (44)

    The travel-to-work time for residents of the 15 largest cities in the United States is reported in the 2003 Information Please Almanac. Suppose that a preliminary simple random sample of residents of San Francisco is used to develop a planning value of

    asked by Mia on May 6, 2014
  34. Chemistry

    A closed container is filled with oxygen. The pressure in the container is 435kPa . What is the pressure in millimeters of mercury? (i know that 1atm=760mm Hg=101,325 Pa) How do I use this to solve for the question? so: 435kPa*101,325=44,076,375Pa, & O2 =

    asked by leo on October 20, 2007
  35. English

    Can you check these sentences for me, please? Thank you very much for your help. 1)Big Brother is a TV programme (or a reality show?) about people and relationships. 2) In particular, contestants have to stay in the same house for ten weeks. 3) They have

    asked by Franco on April 13, 2010
  36. business math

    John has a credit card with a 18% rate and uses the average daily balance method. His average daily balance was $285.26, he made $6483.76 in purchases and paid $538.08. His previous balance was $367.69. What is his new balance?

    asked by Jasona on April 30, 2012
  37. psychology

    Random assignment can be described as a research method: used to balance the independent and dependent variables. no longer used because of its unpredictability. increasing the likelihood that the experimental group and control group will be different.

    asked by cindy on October 31, 2010
  38. psychology

    Random assignment can be described as a research method: used to balance the independent and dependent variables. no longer used because of its unpredictability. increasing the likelihood that the experimental group and control group will be different.

    asked by cindy on October 30, 2010
  39. Health

    Girth measurements are reliable method of measuring body composition? A. True B. False*** There are many different methods of measuring body fat however the results may vary and it is often hard to determine their accuracy? A. True B. False***

    asked by Abby on September 23, 2015
  40. English

    Okay, So I didn't post this one because I thought I had it right.. but now im unsure. My school appeared on the news last week because we had made an important change in our community. Our 8th grade class had planted a large garden in what was once only a

    asked by Zhana on February 23, 2015
  41. Math ~ Check Answers ~

    Please Check My Answers. 1: Solve each inequality. m – 7 < 6 a. m < - 1 b. m > 1 c. m < 13 d. m < -13 2: Solve each inequality. p + 12 > 9 a. p > 21 b. p > 3 c. p > -21 d. p > -3 My Answers: 1: b. m > 1 2: a. p > 21

    asked by Cindy on January 16, 2014
  42. chemistry

    I have to write a balanced equation for the reaction of a solid lead being added to a solution of silver nitrate. Solid silver forms and the lead disappears as it goes into the solution as lead (ii) nitrate. I think it should be Pb + AgNO3 >>>> Ag +

    asked by jazz on April 14, 2014
  43. math

    Which system of inequalities is represented by the graph? A system of inequalities is graphed on a coordinate plane. One line passes through left parenthesis negative 5 comma 3 right parenthesis and left parenthesis 0 comma 8 right parenthesis. The second

    asked by venusthedalek on January 22, 2019
  44. algebra

    A medical rescue helicopter is flying at an average speed of 172 miles per hour toward its base hospital. At 2:42 p.m., the helicopter is 80 miles from the hospital. Use this information for Items 4–6. 4. Which equation can be used to determine m, the

    asked by Sarah on September 10, 2015
  45. literature

    plz to anyone who has finished the lit book with 7 tests answer back need help. with exms like pair of silk stockings, pauls case,goodman brown, call of the wild PLZZZZZZZ help me it has been 15yrs

    asked by sus on June 12, 2007
  46. Algebra (check my answers)

    Please check these answers. Multiply -7(2a2 -4) = -14a2 + 28 Multiply 0.5(a + b -5) = 0.5a + 0.5b - 2.5 Factor bx - by + bz = b(x - y + z) Combine like terms (simplify) 12x + 4 - 11y - 6x - 9 - y = 6x - 12y - 5 Evaluate the expression 3x2y when x = 3 and y

    asked by Sharon on November 8, 2011
  47. JAVA PROGRAM SELECTION SORT USING RECURSION

    JAVA PROGRAM Details: I'm having a trouble with the print lines, i'm not sure where to start but i think I got the rest down correctly. Please if there is a mistake in this program, let me know or correct my current program below, this program should be

    asked by Cuchi on September 27, 2008
  48. Math Word Problem

    A metra commuter train leaves Union Station in Chicago at 12 noon. Twp hours later an Amtrak train leaves on the same track, traveling at an average speed that is 50 miles per hour faster than the Metra train. At 3PM the Amtrak train is 10 miles behind the

    asked by amy on September 16, 2010
  49. Chemistry

    Hank Hill loves everything about gas propane, C3H8. One day his son Bobby asks him the following set of questions about propane. Hank hems and haws for a few moments and finally tells his son he'll get back to him with answers but he has to mow the lawn

    asked by Anonymous on May 9, 2011
  50. physics

    A 280 N force is pulling an 80.0 kg refrigerator across a horizontal surface. The force acts at an angle of 18.0° above the surface. The coefficient of kinetic friction is 0.200, and the refrigerator moves a distance of 6.00 m. (a) Find the work done by

    asked by joshua on October 28, 2010
  51. physics

    A 280 N force is pulling an 80.0 kg refrigerator across a horizontal surface. The force acts at an angle of 18.0° above the surface. The coefficient of kinetic friction is 0.200, and the refrigerator moves a distance of 8.00 m. (a) Find the work done by

    asked by david on October 28, 2010
  52. physics

    A 3.00 102 N force is pulling an 80.0 kg refrigerator across a horizontal surface. The force acts at an angle of 18.0° above the surface. The coefficient of kinetic friction is 0.200, and the refrigerator moves a distance of 8.00 m a) Find the work done

    asked by Anonymous on October 26, 2010
  53. physics

    A 3.00 102 N force is pulling an 80.0 kg refrigerator across a horizontal surface. The force acts at an angle of 18.0° above the surface. The coefficient of kinetic friction is 0.200, and the refrigerator moves a distance of 8.00 m. a) Find the work done

    asked by Anonymous on October 28, 2010
  54. Physics

    A 2.30 102 N force is pulling an 80.0 kg refrigerator across a horizontal surface. The force acts at an angle of 21.0° above the surface. The coefficient of kinetic friction is 0.200, and the refrigerator moves a distance of 7.00 m. (a) Find the work done

    asked by Andrew on November 13, 2010
  55. Literature

    This is one of my pre-writing exercise: Have you ever noticed that some reviewers list the criteria they use to evaluate something right in their review? When you write your essay, you'll need to be clear what criteria you used to evaluatate the work. In

    asked by y912f on February 6, 2009
  56. Repost for Dora

    solution is made by mixing 20.0 mL of toluene C6H5CH3d=0.867gmL with 150.0 mL of benzene C6H6d=0.874gmL. Assuming that the volumes add upon mixing, what are the molarity (M) and molality (m) of the toluene For Further Reading * chemistry - DrBob222,

    asked by DrBob222 on April 4, 2008
  57. Chemistry

    PCl5 --> PCl3 + Cl2 (Kp = 630 at 546 K) A system is prepared by placing equimolar amounts of the three gases shown in the equation above in a suitable rigid container held at constant volume. Equilibrium is established at 546 K. (A) When equilibrium is

    asked by Molly on April 25, 2011
  58. social studies

    What does this quote mean? “Why should the Indian be expected to plant corn, fence lands, build houses, or do anything but get food from day to day, when experience has taught him that the product of his labor will be seized by the white man to-morrow?

    asked by patrick on December 1, 2010
  59. Language Arts

    Can you define this in simpler terms: Determine the meaning of words and phrases as they are used in the text, including figurative and connotative meanings; the cumulative impact of specific word choices on meaning and tone. How might this be important in

    asked by Bob on January 10, 2014
  60. English

    1. For example, red is for Line 1, and green is for Line 2. (subway system) 2. For example, red is Line 1, and green is Line 2. (subway system) Which one is grammatical? Are both grammatical?

    asked by John on October 22, 2008
  61. College Gen.Chemistry

    A student wanted to determine the amount of copper in a sample of copper ore. The student dissolved a 2.500 ± 0.001 g piece of copper ore in about 75 mL of nitric acid; then, a complexing agent was added. The student transferred this solution to a

    asked by Anonymous on March 25, 2014
  62. Chemistry - Science (Dr. Bob222)

    A student wanted to determine the amount of copper in a sample of copper ore. The student dissolved a 2.500 ± 0.001 g piece of copper ore in about 75 mL of nitric acid; then, a complexing agent was added. The student transferred this solution to a

    asked by Anonymous on March 25, 2014
  63. Biology quick question

    What is the method of nitrogenous waste removal for the following & choose between ammonia, urea or uric acid Tunicates Fishes Amphibians Reptiles Birds Mammals I think tunicates are urea and fishes are ammonia? But please help because I'm not sure and I

    asked by Sarah on December 10, 2014
  64. Biology quick help

    What is the method of nitrogenous waste removal for the following & choose between ammonia, urea or uric acid Tunicates Fishes Amphibians Reptiles Birds Mammals I think tunicates are urea and fishes are ammonia? But please help because I'm not sure and I

    asked by Sarah on December 10, 2014
  65. maths

    determine the cost ratio (Retail Method) for Twilight Games and Comix Store if the cost of goods available for sale is $36,000 and the retail value of good available for sale is $90,000(express your answer to the nearest one-thousandth)

    asked by JIM CHARLES on April 6, 2012
  66. math

    10a) Simplify the expression and explain each step. 12 + 3(2y – 3) Step 1: apply distributive property Step 2: combine like terms Step 3: simplify b) Factor the expression completely. 18b – 12 What is the GCF of 18 and 12? Use ladder method or listing.

    asked by help on November 13, 2017
  67. Physics

    A small coin is inside a bowl. The bowl is a surface of revolution of the curve y=100x4 m−3. This coin slides around the inside of the bowl at a constant height of y=0.01 m above the bottom of the bowl. What is its angular velocity in rad/s? please just

    asked by K on June 25, 2013
  68. Career planning

    Which of the following is an effective first reaction to a problem . A. Asking questions to help you understand the problem B. Deciding on a solution as quickly as possiable C. Finding someone else to handle the problem D. Removing yourself from the

    asked by Kayla on May 20, 2019
  69. Simplfing Fractions

    Three problems I need to know if I am correct or not if not I will place how I got the answer and maybe some one can show me where I messing up aT Simplify 1+2/3 over top 2+1/2 My answer was 2/3 to me it does not seem right If I am wrong please let me know

    asked by Toni on June 1, 2007
  70. Chemistry

    Why is the equivalence point of a weak acid-strong base titration above 7.0? How can the data reflect this? The titration of a weak acid with a srong base produces a salt of the two. The anion is hydrolyzed in water solution but the cation is not. A^- +

    asked by Anonymous on April 23, 2007
  71. Home Economics(sewing)

    1)what does the term "disposal of fullness" mean? 2)What are 4 methods of controlling fullness and how is that method done? 3)What are 5 reasons why people dispose of fullness? 4)CAN YOU SEND ME THE NAME OF A WEBSITE(S) THAT HAS PICTURES OF GARMENTS

    asked by kerry-Ann on April 9, 2009
  72. Chemistry 12

    a) Use the standard reduction potentials table to balance the following redox equation: H2O2 + I + H = H2O + I2 b) Balance the following redox equation by the oxidation number method: Ag + HNO3 = AgNO3 + NO + H2O

    asked by Laura on May 24, 2011
  73. computer science

    Mercy Hospital decides to install a netwrok to serviceits various wards and operating rooms and emergency room that will give them scheduling capibilities in real time. The ER and OR have less than 10 computer total but need preference to the server that

    asked by dwayne on October 16, 2010
  74. Social Studies 8th thank you

    1. The Bourbon Democrats would have been likely to support which of the following? (Choose all that apply.) (3 points) lower taxes*** less government spending growth of industry*** African American rights*** 2. Unhappy farmers formed what organization? (1

    asked by Linda on March 24, 2015
  75. physics

    A 2.20-kg ball, moving to the right at a velocity of +1.27 m/s on a frictionless table, collides head-on with a stationary 7.20-kg ball. Find the final velocities of (a) the 2.20-kg ball and of (b) the 7.20-kg ball if the collision is elastic. (c) Find the

    asked by S on October 12, 2014
  76. Physics

    A 275 kg piano slides 4.0 m down a 30° incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is 0.40. a) Calculate the magnitude of the force exerted by the man. b)

    asked by Josh on December 11, 2013
  77. Physic

    You are moving into an apartment and take the elevator to the 6th floor. Suppose your weight is 640 N and that of your belongings is 940 N. (a) Determine the work done by the elevator in lifting you and your belongings up to the 6th floor (15.2 m) at a

    asked by Lena on March 5, 2015
  78. Physics

    A 275 kg piano slides 4.0 m down a 30° incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is 0.40. a) Calculate the magnitude of the force exerted by the man. b)

    asked by Josh on December 11, 2013
  79. physics

    You are moving into an apartment and take the elevator to the 6th floor. Suppose your weight is 750 N and that of your belongings is 990 N. (a) Determine the work done by the elevator in lifting you and your belongings up to the 6th floor (15.2 m) at a

    asked by Anonymous on November 4, 2013
  80. AP physics 2

    You are moving into an apartment and take the elevator to the 6th floor. Suppose your weight is 790 N and that of your belongings is 1080 N. (a) Determine the work done by the elevator in lifting you and your belongings up to the 6th floor (15.2 m) at a

    asked by Johnny on February 18, 2011
  81. maths

    300 men were engaged to complete a job in a certain number of days. but due to another assignment fifteen men dropped the second day, fifteen more men dropped the third days and so on .if takes fifteen more days to finish the work now.find the number of

    asked by simranpreet on December 3, 2012
  82. Chem

    There are three questions in particular that I am having problems with. Here they are 1. A standard solution of FeSCN2+ is prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN. The equilibrium concentration of FeSCN2+ ([FeSCN2+]std)

    asked by Mark on January 19, 2009
  83. social studies

    1. which of the following staments would describe a reason why the confederation government was unable to help georgia solve its problems with the indians? it was too busy fighting foreign wars. the president would veto any action it took. it was a week

    asked by someone help i am new on December 7, 2014
  84. science

    Please help me with this question.... The isotope caesium-137, which has a half-life of 30 years, is a product of nuclear power plants. How long will it take for the amount of this isotope in a sample of caesium to decay to one-sixteenth of its original

    asked by Mary on February 5, 2007
  85. Mathematics

    I really need help with these three questions. Thank You. 1. Calculate the finance charge and new balance using the previous balance method. Previous balance = $179.32 Annual rate = 16% Finance charge $ ? New purchases = $117.42 Payments/credits = $85.00

    asked by Anonymous on January 27, 2010
  86. Microeconomics

    1. The utility function is given by: U=x+y and the budget line is x+2y=100. Then the price of good x goes up to 4. Find the Hicksian substitution effect, income effect, and total change in demand for good x from the change --- Ok i read the theory but i

    asked by Andrew on November 28, 2006
  87. (:

    help with Quadratic Equations and Functions: 5)Solve 2x2 +6x = 4 by completing the square. 6)Solve 3x2 - 6x- 24 = 0 using the quadratic formula. 7)The area of a circle is 25 in2. What is the radius, including the units? Area of a circle is ¢³r^2. 8)The

    asked by neveah gomez on May 20, 2012
  88. Chemistry

    I wrote the balanced equation for cream of tartar and baking soda: NaHCO3+KHC4H4O6->KNaC4H4)6+H2CO3 I identified the conjugate acid base pairs: NaHCO3 and H2CO3, KHC4H4O6 and KNaC4H4O6 I wrote a balanced equation for carbon dioxide gas and water:

    asked by Bridget on November 30, 2015
  89. Calculus (Definite Integrals - Work)

    Recall that work is defined to be force times distance, and that the weight (force) of a liquid is equal to its volume times its density. A fish tank has a rectangular base of width 2 feet and length 6 feet and sides of height 5 feet. If the tank is filled

    asked by Mishaka on March 12, 2012
  90. Differental Equations

    a) Sketch the phase line for the differential equation dy/dt=1/((y-2)(y+1)) and discuss the behavior of the solution with initial condition y(0)=1/2 b) Apply analytic techniques to the initial-value problem dy/dt=1/((y-2)(y+1))), y(0)=1/2 and compare your

    asked by Erica on February 3, 2013
  91. Differential eqns

    a) Sketch the phase line for the differential equation dy/dt=1/((y-2)(y+1)) and discuss the behavior of the solution with initial condition y(0)=1/2 b) Apply analytic techniques to the initial-value problem dy/dt=1/((y-2)(y+1))), y(0)=1/2 and compare your

    asked by Erica on February 3, 2013
  92. Differential Equations

    a) Sketch the phase line for the differential equation dy/dt=1/((y-2)(y+1)) and discuss the behavior of the solution with initial condition y(0)=1/2 b) Apply analytic techniques to the initial-value problem dy/dt=1/((y-2)(y+1))), y(0)=1/2 and compare your

    asked by Erica on February 3, 2013
  93. physics

    Use conservation of energy to determine the angular speed of the spool shown in the figure below after the 3.00 kg bucket has fallen 4.05 m, starting from rest. The light string attached to the bucket is wrapped around the spool and does not slip as it

    asked by david on April 6, 2016
  94. math

    When 5 is added to both the numerator and denominator of a fraction the result becomes 1/2.When 1 is subtracted from both the numerator and denominator the fraction becomes 1/5.Find the fraction. plzz do whole method, i cant understand it.

    asked by hamza on November 19, 2016
  95. Pre-Calculus

    Two hoses together fill a pool in 2 h. If only hose A is used, the pool fills in 3 h. How long would it take to fill the pool if only hose B were used? I multiplied 3 and 2 and got 6 hours. Is this a valid method? Thanks

    asked by Lucina on April 25, 2015
  96. Mat/117 DQ1

    How do you know if a quadratic equation will have one, two, or no solutions?Please give examples. How do you find a quadratic equation if you are only given the solution? Please give an example.Is it possible to have different quadratic equations with the

    asked by Rose on February 27, 2012
  97. CHEMISTRY

    How do you get the concentration with buret readings? What would the concentration of HC2H3O2 (M) be? For example, Molarity of the NaOH solution: 0.2619 M Final buret reading: 31.10 ml Initial buret reading: 0 Volume of NaOH solution: 31.0 ml concentration

    asked by Anna on March 20, 2013
  98. Physics

    A 0.1134kg spherical meteor of diameter 3 cm enters the earth’s atmosphere at an elevation of 121920m with a velocity of 13411.2 m/s. The meteor’s temperature is -73.15˚C. The specific heat at constant volume (Cv) of the meteor is 800 J/kg˚C. (a) If

    asked by Jack on November 28, 2016
  99. biology

    7. Imagine you have 2 chambers connected by a flexible, semipermeable membrane and completely filled with solutions - one chamber contains 50ml of a 50mM NaCl solution (A), and the other (B) contains 100 ml of a 100mM NaCl solution? If the membrane permits

    asked by ....... on February 5, 2013
  100. Chemistry

    1. If a student forms CaCO3 from the presence of carbon dioxide, but continued with the trial anyway, how would this affect his/her calculations (too high, too low, or no effect)? Explain your answers. a) The volume of NaOH required for the back titration.

    asked by Josh on April 2, 2013

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