1. math

    Use the discriminant to determine whether the following equations have solutions that are: two different rational solutions; two different irrational solutions; exactly one rational solution; or two different imaginary solutions. x^2=3x-6

    asked by sarah on February 17, 2011
  2. math

    use the discriminant to determine whether the following eqautions have solutions that are;two different rational solutions;two different irrational solutions;exactly one rational solution;or two different imaginary solutions x^2=3x-6

    asked by sam on February 16, 2011
  3. chemistry

    given that 5milimeter of 5.2mol per liter NaCl will be used to prepare 0.026mol per liter NaCl, describe how you will prepare this solution?

    asked by stephen on May 22, 2019
  4. chemistry

    When a base is introduced into this buffer, which of H2CO3 and HCO3− reacts with the base to maintain the pH of the solution? HCO3− H2CO3

    asked by Jennifer on March 16, 2017
  5. Chemistry

    If the 3 moles of Calcium Nitride was then dissolved in 2 L of liquid ammonium what would the molarity of the Calcium Nitride /ammonium solution be?

    asked by moata on April 15, 2012
  6. chemistry

    Calculate the mass of nickel(II) sulfate and the mass of water contained in 200. g of a 6.00% solution of nickel(II) sulfate

    asked by Sarah on March 4, 2014
  7. MATH

    use the discriminant to determine whether the following equation have solutions that are : two different rational solutions : two different irrational solutions : exactly one rational solution : or two different imaginary solutions 7+5z^2=-8z

    asked by LIZY on March 26, 2013
  8. Chemistry

    What is the boiling point of each solution? a).50mol glucose in 1000g H2O b)1.50mol NaCl in 1000g H2O

    asked by Kim on April 29, 2010
  9. chemistry

    In 24 g of a 7.8% by mass solution of CaSO4? How many grams of solute are present gCaSO4? how many grams of solvent are present g solvent?

    asked by Anonymous on December 9, 2010
  10. Math/chem

    If the temperature of a solution goes up 25degrees in 7 minutes, what is the rate of change of temperature? (Rate= temp. Change/ time)

    asked by Jamie on September 3, 2014
  11. Chemistry

    Determine the pH of a solution made by mixing 50,00 mL of 0,100 M nitric acid with 100 mL of 0,200 M nitric acid

    asked by Anonymous on September 3, 2015
  12. Chemistry

    To 1.0 ml of 1.5%NaCl, water is added to a final volume of 100ml. What is the molarity NaCl of this final solution? 1.5g/100ml I do not know where to go from here?

    asked by Samantha on November 30, 2014
  13. Math

    Can someone please help/show me how to Graph linear equations?? Directions~ Graph the following linear equations by plugging in values for x, solving for y, and keeping track of your x- and y-values in a table. You should determine at least three points on

    asked by Abby on October 20, 2015
  14. math

    Roscoe must play 9 commercials during his 1-hr radio show. Each commercial is either thirty seconds or sixty seconds long. If the total commercial time during that hour is 6 minutes, how many commercials of each type does Roscoe play? Round answers to the

    asked by duran on May 11, 2016
  15. Physics

    Consider eight, eight-cubic centimeter (8 cm3) sugar cubes stacked so that they form a single 2 x 2 x 2 cube. How does the surface area of the single, large cube compare to the total surface area of the individual eight cubes? Report your answer as a

    asked by Ariel on December 4, 2015
  16. math

    please help with in a day jamal spent 1 2/3 hours watching television 1 4/5 hours taking an afternoon nap, and 7/8 hour helping his mother with housework how much time did Jamal spend on watching television and helping with housework do I have to change

    asked by stacy on May 11, 2015
  17. Maths - Cartesian Equations

    Find the corresponding Cartesian equation for each pair of parametric equations: x = t - (1/t) and y = 2*[t + (1/t)] The answer is y^2/16 - x^2/4 = 1 I have no idea where to begin. I tried squaring both equations in hope to easily remove t^2 but ended up

    asked by Jichu on December 27, 2016
  18. physics

    Consider eight two-cubic centimeter (2 cm3) sugar cubes stacked so that they form a single 2 x 2 x 2 cube. How does the surface area of the single, large cube compare to the total surface area of the individual eight cubes? Report your answer as a ratio.

    asked by Ciara on April 6, 2015
  19. math

    the profits of Mr/ Lucky's company can be represented by the equation y=-3x^2+18x-4, where y is the amount of profit in hundreds of thousands of dollars and x is the number of years of operation. He realizes his company is on the downturn and wishes to

    asked by jordan on December 1, 2009
  20. physics im stuck

    Two identical small insulating balls are suspended by separate 0.27 m threads that are attached to a common point on the ceiling. Each ball has a mass of 6.20 10-4 kg. Initially the balls are uncharged and hang straight down. They are then given identical

    asked by physdummy on August 31, 2008
  21. Chemistry PLEASE HELP!

    Check all of the following statements which are TRUE for a titration. Select one or more: a. A suitable primary standard must be available. b. The concentration of the solution in the buret (the titrant) must be known before the titration is begun. c.

    asked by Sophie on May 5, 2013
  22. english

    Can some one explain this passage I do not understand it it is by hazlitt it is called "on the want of money" There are two classes of people that I have observed who are not so distinct as might be imagined - those who cannot keep their own money in their

    asked by steph on April 17, 2007
  23. Math(Factorial)

    A women student is to answer 10 out of 13 questions on a test. Find the number of choices where she must answer: (a) the first two questions; (b) the first or second questions but not both; (c) exactly 3 out of the first 5 questions (d) at least 3 of the

    asked by Anonymous on April 9, 2014
  24. accounting

    Selected T-accounts for Rolm Company are given below for the just completed year: Raw Materials Manufacturing Overhead Bal. 1/1 31,000 Credits ? Debits 390,000 Credits ? Debits 420,000 Bal. 12/31 56,000 Work in Process Factory Wages Payable Bal. 1/1 73,000

    asked by sally on September 8, 2012
  25. thermodynamics

    There are 1.36 kgm of air at 137.9 Kpaa stirred with internal paddles in an insulated rigid container whose volume is 0.142 m3, until the pressure becomes 689.5 Kpaa. Determine (a) the work input, (b) Δ(pV), and (c) Q. Cp=1.0062 kj/(Kgm.°K), Cv = 0.7186

    asked by abuan on February 29, 2016
  26. Algebra/Language Arts

    I have a 15 page paper due tomorrow. I finished the paper, and edited it and all, that's not my problem. My cover page is a work of art that I designed and I wanted to put a note on how it relates to my essay. How would I go about doing this? Do I add a

    asked by MathMat on March 13, 2014
  27. English

    1. I have a lot of work to do. - Why don't you ask your brother to help you? - You should ask your brother to help you. - So you can't go out to play soccer, can you? - (Somethine else) 2. I am going to Vietnam this winter. - Really? Congratulations! -

    asked by rfvv on November 26, 2015
  28. eng 22

    Which of the following leads to the deepest appreciation of a film? Turning off your brain completely and letting life’s pressures slip away Paying attention to what a film is trying to say Learning the technical names of a film’s elements Learning the

    asked by kim on February 19, 2012
  29. Trig- math

    Find the area of a triangle if the sides of the triangle have the lengths 849mi, 930mi, and 1301mi. Here's my work: a=849 b=930 c=1301 A=.5(849)(930)sinA sin A = 394,785 mi^2 (this number doesn't seem right to me, can you explain to me what I did wrong)?

    asked by Alexis on November 23, 2014
  30. physics

    A 68 student consumes 2500 Cal each day and stays the same weight. One day, he eats 3500 Cal and, wanting to keep from gaining weight, decides to "work off" the excess by jumping up and down. With each jump, he accelerates to a speed of 3.4 before leaving

    asked by ekaterina on November 28, 2011
  31. physics

    There are 1.36 kgm of air at 137.9 Kpaa stirred with internal paddles in an insulated rigid container whose volume is 0.142 m3, until the pressure becomes 689.5 Kpaa. Determine (a) the work input, (b) Δ(pV), and (c) Q. Cp=1.0062 kj/(Kgm.°K), Cv = 0.7186

    asked by silent on February 29, 2016
  32. physics

    A movable piston having a mass of 8.00 kg and a cross-sectional area of 5.00 cm2 traps 0.200 moles of an ideal gas in a vertical cylinder. If the piston slides without friction in the cylinder, how much work is done on the gas when its temperature is

    asked by julie on January 4, 2011
  33. physics help please...

    A movable piston having a mass of 8.00 kg and a cross-sectional area of 5.00 cm2 traps 0.200 moles of an ideal gas in a vertical cylinder. If the piston slides without friction in the cylinder, how much work is done on the gas when its temperature is

    asked by julie on January 4, 2011
  34. trig

    A car drives 1000 feet on a road that is 8 degrees to the horizontal, as shown in the figure. The car weighs 3400 lb. Thus gravity acts straight down on the car with a constant force F=-3400j. Find the work done by the car in overcoming gravity?

    asked by Jonny on June 6, 2014
  35. Physics 102 (College)

    A few homework problems. 1) The temp of a monotomic ideal gas remains constant (isothermic) during a process in which 4250 J of heat flows out of gas. How much work is done? Pos/neg? delta T = 0 and delta U = 0 by inference Q = 4250 U = 3/2 nRT Thanks for

    asked by Carla on February 27, 2011
  36. Math help

    The weights of ripe watermelons grown at Mr. Smith's farm are normally distributed with a standard deviation of 2 lb. Find the mean weight of Mr. Smith's ripe watermelons if only 5% weigh less than 18 lb. (Give your answer correct to one decimal place.) lb

    asked by Tom614 on June 12, 2013
  37. physics

    A constant force of 20N is applied tangentially to a string wound on the rim of a 40 cm diameter wheel, initially at rest. (i) How much work does this force do as it turns the wheel through 45„a? (3 %) (ii) If the wheel has mass 8.0 kg and radius of

    asked by Oisin on July 20, 2010
  38. thermodynamics

    There are 1.36 kgm of air at 137.9 Kpaa stirred with internal paddles in an insulated rigid container whose volume is 0.142 m3, until the pressure becomes 689.5 Kpaa. Determine (a) the work input, (b) Δ(pV), and (c) Q. Cp=1.0062 kj/(Kgm.°K), Cv = 0.7186

    asked by abuan on February 29, 2016
  39. Physics

    A 17.8 kg block is dragged over a rough, horizontal surface by a constant force of 72.8 newtons acting at an angle of 31.3 degrees above the horizontal. the block is displaced 64.4 m and the coefficient of kinetic friction is 0.239. find the work done by

    asked by Giana on September 20, 2015
  40. UOG. Cemistry

    Supposing we allow 272g of phosphorus to react with excess oxygen which forms tetraphosphorus decoxide P4O10 in 89.5% yield. In the second step reaction, a 96.8% yield of H3PO4 is obtain by reacting P4O10 with 6H2O. Work out the mass of H3PO4 obtained?

    asked by Kawale Bogken (Boryal) on May 17, 2016
  41. Physics

    A charge of 28.0 nC is placed in a uniform electric field that is directed verticall upward and that has a magnitude of 4.00*10^4 N/C. What work is done by the electric force when the charge moves (a)0.450 m to the right (b) 0.670 m upward (c) 2.60 m at an

    asked by Harper on January 28, 2008
  42. Molecular Speeds

    Can someone just work me through how to do this one problem? I should be OK on the rest then. Calculate the rms speeds of N2 molecules at 23 degrees C and at 125 degrees C. Sketch the approximate curves of the molecular speed distributions of N2 at 25

    asked by Anna on November 19, 2008
  43. Physics

    A roller coaster with people on board has a total mass of 4500 kg and starts at a height of 22 meters with a speed of 2.0 m/s. 50 kJ of work is done by friction on the way to the bottom of the ride. What is the speed at the bottom of the ride? I'm

    asked by mssailormouth on June 22, 2019
  44. LEARNING SKILLS

    Suppose you're just beginning to study the information in your third shipment of material. When can you expect the next shipment to be sent? A. When you submit a certain number of examinations in your current shipment B. When you call DIAL-A-QUESTION® and

    asked by Anonymous on January 27, 2011
  45. Writing...Grammar

    Is the common error in the following sentence a dangling modifier? Having risen because of the rains, the hikers were unable to cross the river. Yes. As Ms. Sue said earlier, the phrase ("Having ... rains") needs to be close to what it modifies. So ask

    asked by Mandi on July 27, 2007
  46. BUSINESS

    You have been asked to evaluate the country you selected as a potential market for your product(s)/service(s) and present your findings to other managers of the organization in a memo. In your memo, be sure to address the following: Provide a brief

    asked by Sugar on September 22, 2008
  47. english Ms. Sue Help Please check my answers

    Jaws of the Water ACT TWO At rise we see DAD, TINA, and MARK rushing in and out of the living room. Each enters carrying important items—such as sleeping bags, rain gear, and gallons of water—sets them down, and exits. All three come in together, and

    asked by Sumii on April 23, 2013
  48. geometry

    A spherical scoop of ice cream has radious 1.25 inches. The scoop is placed on top of a cone with radious of 1 inch and height of 5 inches. Is the cone large enough to hold all the ice cream if it melts? Show your calculations and explain your answer.

    asked by Piggy on March 2, 2012
  49. Social studies

    What is one of the things the federales reserve system does? Set income tax rate at the federal level Influence interest rates•• Decided who can open bank account Give loans to bank customers How might the government deal with a huge company that has

    asked by Kayla on May 9, 2017
  50. Some Lab Question (s)

    Yes...another calculation problem. Rxn: 1ml isopentyl alcohol + 1.5ml glacial acetic acid + 3 drops sulfuric acid=> isopentyl acetate to calculate the theoretical yield.. I know that the acetic acid is in excess but how would I calculate the theoretical

    asked by ~christina~ on March 8, 2008
  51. math

    Tx unemployment rate is 7.2% If a total of 390,000 people who are able to work using the unemployment rate to determine how many people would be unemployed?

    asked by Denyse on September 3, 2012
  52. Physical Science

    An exercise spring has a spring constant of 315 N/m. How much work is required to stretch the spring 30 cm? What force is needed to stretch the spring 30 cm?

    asked by William on December 19, 2012
  53. Physics

    A container of gas is at a pressure of 1.3x10^5 Pa and a volume of 6.0m^3. How much work is done by the gas if it expands at constant pressure to twice its initial volume? Please help ;_;

    asked by IDK on April 27, 2016
  54. chemistry

    balance: SO2(g)+O2(g)------->SO3(g) the concentration of SO2 and O2 are determined to be [0.06] and [0.03] if the following reaction has a Kc of 3.6x10^2, what is the concentration of SO3???? any work would be much appreciated thank you!!

    asked by Mandy on February 28, 2012
  55. Biology

    Which of the following statements about enzymes is not true? A) Enzymes work best at a specified pH B) All enzymes have the same shape as their substrates. C) Enzymes are proteins. D) The shape of an enzyme allows it to do its job.

    asked by Victoria on May 12, 2017
  56. physics

    The work done by an electric force in moving a charge from point A to point B is 2.76 10-3 J. The electric potential difference between the two points is VA − VB = 47.5 V. What is the charge

    asked by michelle on January 12, 2011
  57. physics

    A 4.5 kg can of paint is sitting on top of a 0.8 meter high step ladder. How much work did you do to move the can of paint to the top of the ladder?

    asked by Josue on December 15, 2010
  58. Math

    Which is the expression that can be factored using the greatest common factor for this equation? 6p^3-12p^2+9p A. 3(2p^3-4p^2+3p) B. 3p(2p^2-4p+3) c. 3p^2(2p^2-4p+3) D. 6p(p^2-2p+9) I believe it is B because only A and B work but B is the greatest common

    asked by B6 on March 29, 2013
  59. math 115

    could someone check my work please? 1.List the factors of each of the following numbers.66 1,11,6 2.Use the following list of numbers for exercises 13 and 14. 0, 1, 15, 19, 23, 31, 49, 55, 59, 87, 91, 97, 103, 105 15,55,105 answer 3.1,55, 1,57,

    asked by p on September 2, 2009
  60. Physics 112

    Moving a charge from point A, where the potential is 370V , to point B, where the potential is 190V , takes 4.1×10−4J of work. Part A What is the value of the charge?

    asked by Phil on January 30, 2014
  61. Maths

    It takes 3 artists 24 days to paint a building. Calculate how long it will take 6 artists to paint the building if they work at the same rate

    asked by Chantell on January 23, 2016
  62. chemistry

    1.30 grams of chromium reacts with 9.5 grams of iodine. What is the percent of chromium in this compound? How do I work out this answer. I know answer is 12.02, but can figure out how to get it! Thanks!

    asked by Quick chem question on March 26, 2011
  63. math help

    Consider the following. (Give your answers correct to two decimal places.) (a) Determine the value of the confidence coefficient z(á/2) for 1 - á = 0.87. (b) Determine the value of the confidence coefficient z(á/2) for 1 - á = 0.91. can someone just

    asked by Tommy8 on June 22, 2013
  64. English-Writing

    In citing work in an essay from a textbook in MLA format do you: use the textbook name and then the page number or do you use the publishers name with the page number?

    asked by Sue on December 4, 2009
  65. Math

    The ratio of 7th to 8th graders in a play is 2:3. There are 30 students in the play. How many are 8th graders? How do you work this problem is like this 2/3 x30/1=60/2=20 is this right

    asked by Johnnie on February 6, 2019
  66. physics

    a warehouse employee is pushing a 38 kg desk across a floor at a constant speed of 0.4 m/s. How much work must the employee do on the desk to change the speed of 1.5m/s?

    asked by jorge on November 2, 2014
  67. computer science

    You work for a company that requires you to compute the average temperature for 8 A.M. to 6 P.PM. each day. You are to computer program to compute the average temperature.

    asked by jamal on February 2, 2012
  68. physics

    what happens when light moves from a material with a lower index of refraction to another material with a higher index of refraction? please sho work and thank u

    asked by maria on December 1, 2010
  69. Physics

    the human body is only about 25 % efficient at converting input chemical energy to useful work. where does the rest of the input chemical energy go?

    asked by John on November 16, 2016
  70. Math

    Please help me with this home work Triangle ABC ~ Triangle ADE AD=5; DB=3.5; BC=5.1; AE=6; EC=x What is the length of AB? What is the length of DE? Write an expression that represents AC? What is the length of EC? What is the length of AC? Thank you

    asked by Kenny on November 11, 2015
  71. Trignometry

    Can you please help me prove that ((1-cosx)/(1+cosx))=(cscx-cotx)^2? I can only do work on one side to prove that its end result is equal to the other side.

    asked by Potterhead on December 16, 2013
  72. Biology

    I am a bit confused about conjugation, transduction and transformation. I understand the basics but how do they work? More confused with transduction and transformation. Thanks for any help in advance!

    asked by Anonymous on January 17, 2010
  73. math

    If 16 men can construct 800 tables in 9 days how long will it take 15 men to construct 1000 tables if they work at the same rate

    asked by victor on June 9, 2017
  74. math

    Terry bicycles for 1/4 at an average speed of x km/hr. He then cycles for 1/3 hour at an average speed of x+10 km/hr. he cycles a total distance of 15 km. work out the value of x.

    asked by maverick on December 10, 2009
  75. Math

    Flying against the wind, Lisa made the flight from Reno in 3 h with a steady airspeed of 400km/h. Returning later with a tail wind that had doubled in magnitude, she landed 225 km beyond the starting point in 3 h. What was the original wind speed? How far

    asked by Anonymous on February 6, 2011
  76. Chemistry

    One of my homework problems deals with finding the change in entropy of the surroundings using the equation delta(S)= -delta(H)/T(temp.) The numbers given were T=263K and delta(H)fusion=6.0*10^(3) J/mol I know how to solve the problem, I just want to know

    asked by Confused on February 24, 2013
  77. Algebra

    if you are looking at the horizon, you can determine the distance you are from the horizon in miles D from a height h in feet by the equation of D = 1.2 square root h if you are standing on a mountain top that is 12000 feet in elevation how far are you

    asked by Rasmussen on August 27, 2013
  78. Physics

    A squash ball hits a wall at a height of 4m and a distance of 6m away. If the ball left the racquet with a speed of 15m/s, with what angle did the player hit the ball? I have applied concepts of projectile motion and tried kinematic equations. However I

    asked by Tim on June 20, 2016
  79. chemistry

    Question: how to solve for a 28.4 L sample of methane gas is heated from 35.0° C to 76.0° C. The initial pressure of the gas is 1.00 atm at 35.0° C. Assuming constant volume, what is the final pressure of the gas? Could someone give me the setup for

    asked by sandy on November 22, 2011
  80. Math (algebra)

    I have no idea how to solve this problem... A village wants to build a community center that is projected to cost 1.2 million dollars. Cost per resident is increased by #$ as it is discovered that there are 225 fewer residents than when planning began 2

    asked by Ashley on October 12, 2012
  81. prealgebra

    a junior basketball player has a goal of scoring at 1,000 points during his high-school career. his team plays twenty games per year, after two years he has 320 points. to be successful, how many points does he have to average per game over his last two

    asked by mikey on October 18, 2017
  82. Chemistry- gaz and stoechiometry

    The preparation of KClO3 follows these equations: 2KMnO4 + 16HCl->2KCl + 2MnCl2 + 5Cl2 (g) + 8H2O 3Cl2 (g) + 6KOH ->KClO3 + 5KCl + 3H2O 1) How many moles of KClO3 are produced by one mole of KMnO4 I think the only link between the two equations is Cl2 but

    asked by Ele on April 28, 2016
  83. Eng Ms. Sue

    I'm typing the final draft of my essay. I finished but I'm having major difficulty figuring out of how to cite my quote properly on my work cited page. I have been to alot of websites that shows examples but I'm so confused. Can you please help me. That's

    asked by Michele on February 18, 2009
  84. Social Studies

    Which of the following was true of people moving to suburbs and purchasing automobiles? A. Women were allowed to drive and thereby gained more freedom. B. It was a lifestyle only the wealthy could afford. C. Women were left isolated all day as men took the

    asked by Martha on March 12, 2019
  85. Statistics

    You have heard the commercial for the restaurant that lets you pick any 3 appetizers, any of the 6 entree items and then a dessert. You have been told there are 72 different meal options. How many desserts are available? I don't understand how to calculate

    asked by Kim on May 26, 2009
  86. geometry

    hi, can anyone plz help? im asked to work out the gradient of a straight line, which i understand fine. Its which units to use that confuse me. if distance is on the vertical axis and time/days is along the horizontal axis, what will the gradient be

    asked by bertie on May 27, 2007
  87. Physics

    A block and tackle with a velocity ratio of 5 is used to raise a mass of 25kg through a vertical distance of 400M at a steady rate.if the effort is equal to 60N,determine (a)distance moved by the effort (b)work done by lifting the load(c)the loss in energy

    asked by Wisdom on February 4, 2015
  88. P.E Plzzz help

    I forgot to post these questions in my last post... 11.You think your friend is depressed and may be considering suicide. Which of the following actions should you avoid? A. Tell him how concerned you are about him; you'll probably embarrass him. B. Leave

    asked by Labbayk on October 31, 2015
  89. Social Studies

    Which of the following was true of people moving to suburbs and purchasing automobiles? A Women were allowed to drive and thereby gained more freedom. B It was a lifestyle only the wealthy could afford. C Women were left isolated all day as men took the

    asked by Daven on March 9, 2017
  90. social studies

    please help. Which of the following was true of people moving to suburbs and purchasing automobiles? A. Women were allowed to drive and thereby gained more freedom. B. It was a lifestyle only the wealthy could afford. C. Women were left isolated all day as

    asked by shakira on March 14, 2019
  91. History

    Which accurately describes the Columbian Exchange during the Age of Discovery? The Columbian Exchange was a system of cultural sharing developed by Columbus and the natives on the island of Hispaniola. The Columbian Exchange was the transfer of plants,

    asked by Rylee on December 1, 2017
  92. Math plz help

    2. | y+4|

    asked by Gloony90 on October 3, 2017
  93. caculus

    ʃ dx/x^4(1/x^2-2)^2 please help i need solution..i got the answer.. answer= 1/6(1-2x^3)=c thanks

    asked by ME on January 23, 2012
  94. Math

    What is the. Solution to 89+k=-42? A)k=131 B)k=47 C)k=-47 D)k=-131

    asked by Annon on October 11, 2017
  95. Chemistry

    A 8.6 x 10^-3M solution of H3PO4 has a pH=2.30. What is Ka for H3PO4

    asked by Anonymous on March 11, 2010
  96. Biology

    Need help with these-- 8. Medicinal uses of plants include all of the following EXCEPT a. cancer treatment b. treatment of cardiac disorders c. decongestant d. albinism treatment D? 9. Two plants that are used to make BOTH paper and cloth are a. bamboo and

    asked by mysterychicken on March 1, 2010
  97. physics (Newton's Laws)

    Please help, A cat is stuck in a tree. You are designated with the job to get it out, yet you do not want to climb the tree, because you may get stuck as well. Instead you set up a pulley system. A rope (consider it massless) runs from the seat you sit on

    asked by Kathy on March 17, 2013
  98. physic

    A student on a piano stool rotates freely with an angular speed of 3.07 rev/s. The student holds a 1.38 kg mass in each outstretched arm, 0.759 m from the axis of rotation. The combined moment of inertia of the student and the stool, ignoring the two

    asked by Mary on March 25, 2010
  99. Physics

    A student on a piano stool rotates freely with an angular speed of 3.07 rev/s. The student holds a 1.38 kg mass in each outstretched arm, 0.759 m from the axis of rotation. The combined moment of inertia of the student and the stool, ignoring the two

    asked by Mackenzie on March 22, 2016
  100. chemistry

    Am doing a lab report on the determination of the product of a redox reaction: the reaction of bromate and hydroxylammonium ions. here is the lab Experiment: In this experiment you will determine the equation of a redox reaction by the use of experimental

    asked by khela on October 26, 2010

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