1. Finance

    Medallion Cooling Systems, Inc., has total assets of $10,000,000, EBIT of $2,000,000, and preferred dividends of $200,000 and is taxed at a rate of 40%. In an effort to determine the optimal capital structure, the firm has assembled data on the cost of

    asked by Lillian on August 9, 2010
  2. Chemistry

    a)What mass of water is produced from the complete combustion of 2.30×10−3 g of methane? b)What mass of oxygen is needed for the complete combustion of 2.30×10−3 g of methane? This is the unbalanced equation given: CH4+O2->CO2+H2O

    asked by Cindy on September 21, 2010
  3. biology

    After a meal rich in starch, the blood with the highest concentration of sugar would be in what blood vessel? What are the 2 blood vessels containing blood with the highest concentration of oxygen? The websites given last time did not help, please can

    asked by paula again on September 16, 2009
  4. chemistry

    N2H4 + O2 ----> What is the correct product for this equation N2 + H2O or NO2 + H2O?? Then, what is the correct oxidizer and reducer? I think oxygen is the oxidizer and nitrogen is the reducer and hydrogen isn't in any of these categories? Thank you!

    asked by Anonymous on March 19, 2018
  5. chemistry

    a compound contains only carbon hydrogen and oxygen analysis of a sample showed that it contained by mass 53.4% carbon and 11.1% hydrogen . what is the simplest formula for this compound .. step by step plese

    asked by Ahmad on February 19, 2014
  6. Chemistry

    HELP PLEASE the volume of a sample of oxygen is 200.0ml when the pressure is 3.00atm and the temp is 37.0 C. What is the new temp if the volume increases to 400.0ml and the pressure decreases to 2.000 atm?

    asked by Kalei on February 22, 2012
  7. Chemistry

    A sample of magnesium with a mass of 1.00 g is burned in oxygen to produce an oxide with a mass of 1.66 g. What is the empirical formula of the magnesium oxide produced? I know the answer is MgO. What are the steps to get that answer?

    asked by Doris on October 10, 2010
  8. Chemistry 106

    An unidentified metal forms an ionic compound with the carbonate anion. The metal forms a 2+ cation. If the minimum ration of the number of protons in the metal to the oxygen protons s 5:6, what is the metal?

    asked by Samantha on October 13, 2010
  9. Chemistry

    Exactly 1.0 mole of oxygen and 7.0 moles of nitrogen gas are in a container. The total gas pressure is 5.7 atm. What is the partial pressure of nitrogen in atm? I'm not sure how to go about setting up the problem. Any help is appreciated!

    asked by Amanda on February 12, 2014
  10. Chemistry

    The combustion reaction of acetylene gas is represented by this equation: 2 C2H2(g) + 5 O2(g) ==> 4 CO2(g) + 2 H2O(g) How many grams of CO2 and grams of H2O are produced when 52.0g C2H2 burns in oxygen?

    asked by Ralph on March 22, 2010
  11. chem

    A 4.91 g sample of aluminum completely reacts with oxygen to form 6.85 g of aluminum oxide. Use this data to calculate the mass percent composition of aluminum in aluminum oxide. i got 61.2% first and it was wrong. then i got 53.0% and it was wrong

    asked by hannah on November 11, 2010
  12. Enviromental Anthro.

    1. How do Fairhead and Leach explain the forest-savanna mosaic in West Africa? a) villagers planted trees and told stories about them b) corporations began logging and mining in the region c) the state prohibited slash and burn farming and created a

    asked by Val on May 7, 2012
  13. Financial Accounting

    Incentive Corporation was organized in 2009 to operate a financial consulting business. The charter authorized the following capital stock: common stock, par value $4 per share. 12,000 shares. During the first year, the following selected transactions were

    asked by gdlola on June 15, 2011
  14. Physics

    You and your friends are organizing a trip to Europe. Your plan is to rent a car and drive through the major European capitals. By consulting a map you estimate that you will cover a total distance of 5000 \rm km. Consider the euro-dollar exchange rate

    asked by John on January 23, 2010
  15. sci275

    considering the amount of energy required to produce animal based foods and goods, should humans change their habits so they consume products closer to the bottom of the food chain because it is more efficient?

    asked by melly on December 11, 2007
  16. chemistry

    Calculate the amount (volume) of 5.25% (wt./vol.) NaOCl solution (commercial bleach) required to oxidize 100mg of 9-fluorenol to 9-fluorenone. Whenever appropriate, use balanced chemical equations as a part of your calculation.

    asked by Jane on February 2, 2009
  17. physics

    A tandem bicycle team must overcome a force of 165 N to maintain a speed of 9.00m/s. Find the power required per rider, assuming that each contributes equally. Answer in watts.

    asked by steve on October 21, 2009
  18. Earth Science

    Considering the amount of energy required to produce animal-based foods and goods, should humans change their habits so they consume products closer to the bottom of the food chain because it is more efficient? PLEASE HELP.

    asked by Lori on December 8, 2009
  19. Statistics

    Use the given data to find the minimum sample size required to estimate a population proportion or percentage. Margin of error: 0.06; confidence level 90% ^p and ^q unknown n= (round up to the nearest integer)

    asked by Rob on April 30, 2013
  20. Science

    Considering the amount of energy required to produce animal-based foods and goods, should humans change their habits so they consume products closer to the bottom of the food chain because it is more efficient?

    asked by April on July 8, 2012
  21. Physics

    A cylinder with a movable piston encloses 0.39 mole of ideal gas at 308K . How much heat is required to increase its volume isothermally by a factor of 3? 1100J 1400J 1600J 550J

    asked by Lindsay on April 22, 2014
  22. business math

    mary smith purchased a new car for $28,750. she made a 15% down payment and financed the balance at her bank for 3 years. what payments are required at the end of every month, at 18% interest, to pay off the loan?

    asked by gloria on December 16, 2013
  23. science

    Follow on the Sall Sue question earlier. What frequency would be required for sally and her cheerful and hard-wroking partner to produce the standing wave with three nodes. Identify the steps.

    asked by CJ on April 23, 2010
  24. dressmaking

    the top of pants or skirt is finished with facing when a)extra strength is required at the waistline 2)its not possible to layer the fabric 3)a stay tape cant be used at the seams or 4)you don't want the waistband to be visible from the right side

    asked by Ayesha on March 19, 2012
  25. Please help! Chemistry

    In a fume cupboard molten lead(ii) bromide is electrolysed using graphite electrodes. Write half-equations for the reaction at the (i).cathode (ii). Anode (iii). Overall equation (states required).

    asked by Jeconiah on August 25, 2012
  26. chemistry

    Calcultate the volume (in mL)of 0.250M silver nitrate solution required to react completely with a 5.00g piece of copper wire. (Assume the reaction runs at 100% yield.)

    asked by Tinkerbell on April 13, 2011
  27. chemistry

    If 0.755 g of Al3+ dissolved in 960 mL of water reacts stoichiometrically according to the balanced equation, what volume (mL) of 0.0875 M aqueous Cl- is required? Al2(SO4)3(aq) + 3 BaCl2(aq) → 2 AlCl3(aq) + 3 BaSO4(s)

    asked by eng on April 3, 2010
  28. chemistry

    Calculate the amount (volume) of 6.25% (wt./vol.) NaOCl solution (commercial bleach) required to oxidize 150 mg of 9-fluorenol to 9-fluorenone. Whenever appropriate, use balanced chemical equations as a part of your calculation

    asked by Fann on January 31, 2010
  29. Math

    $2500 is invested in an account that pays 12% interest, compounded continuously. Find the time required for the amount to triple and round the final answer to the nearest tenth of a year.

    asked by Tamie on November 12, 2014
  30. economics

    3. Draw a simple T-account for First National Bank which has $5,000 of deposits, a required reserve ratio of 10 percent, and excess reserves of $300. Make sure you balance sheet balances

    asked by Anonymous on April 20, 2011
  31. Please help! Chemistry

    In a fume cupboard molten lead(ii) bromide is electrolysed using graphite electrodes. Write half-equations for the reaction at the (i).cathode (ii). Anode (iii). Overall equation (states required).

    asked by Jeconiah on August 25, 2012
  32. ochem

    Calculate the amount (volume) of 5.25% (wt./vol.) NaOCl solution (commercial bleach) required to oxidize 100 mg of 9-fluorenol to 9-fluorenone. Whenever appropriate, use balanced chemical equations as a part of your calculation.

    asked by steve on January 29, 2009
  33. Chemistry

    What volume of benzene (C6H6, d= 0.88 g/mL, molar mass = 78.11 g/mol) is required to produce 1.5 x 103 kJ of heat according to the following reaction? 2C6H6(l)+15O2(g)-->12CO2(G)+6H2O(g) :delta:Hrxn=-6278kj

    asked by Gweedo8 on July 6, 2009
  34. Chemistry

    A single titration was performed which required 12.60 mL of 0.100 M Na2S2O3. The density of the original, undiluted unknown bleach was 1.040 g/mL. Calculate the number of moles of ClO- in the sample titrated.

    asked by Tori on March 8, 2015
  35. physics

    A 0.200 kg block of ice at 15ºC is placed into a pan on a stove, heated to a liquid, and then to vapour with a final temperature of 115ºC. Calculate the total amount of heat required for this process.

    asked by shan on June 3, 2012
  36. Physics URGENT HELP

    An athlete is training and is required to perform shuttle runs. From the starting position they sprint out to 10m (this takes 2 seconds). Where would the maximum acceleration occur? Justify your answer. Please help! Thankyou.

    asked by Melody on August 29, 2013
  37. Chemistry

    Calculate the amount (volume) of 6.25% (wt./vol.) NaOCl solution (commercial bleach) required to oxidize 150 mg of 9-fluorenol to 9-fluorenone. Whenever appropriate, use balanced chemical equations as a part of your calculation.

    asked by Shannon on February 1, 2011
  38. chemistry

    What volume of ammonia gas, measured at mmHg and 43.5 degrees C, is required to produce 8.41g of ammonium sulfate according to the following balanced chemical equation: 2NH3(g)+H2SO4(aq)->(NH4)2SO4(s)

    asked by Monteshia on November 17, 2014
  39. Organic Chemistry 51B

    calculate the amount (volume) of 6.25% (wt./vol.) NaOCl solution (commercial bleach) required to oxidize 150 mg of 9-fluorenol to 9-fluorenone. Whenever appropriate, use balanced chemical equations as a part of your calculation.

    asked by Anonymous on February 1, 2010
  40. Physics

    An athlete is training and is required to perform shuttle runs. From the starting position they sprint out to 10m (this takes 2 seconds). Where would the maximum acceleration occur? Justify your answer. Please help! Thankyou.

    asked by Melody on August 29, 2013
  41. Chemistry

    Calcultate the volume (in mL)of 0.250M silver nitrate solution required to react completely with a 5.00g piece of copper wire. (Assume the reaction runs at 100% yield.)

    asked by Tinkerbell* on April 15, 2011
  42. science

    Hi, quick question: Graphite is burned in oxygen to give carbon monoxide and carbon dioxide. If the product mixture is 33% CO and 67% CO2 by mass, what is the heat from the combustion of 1.00 g of graphite? dH values: CO:-110.5 kj/mol, CO2: -393.5 kj/mol

    asked by ben on November 24, 2009
  43. Chemistry

    In the balanced equation for the combustion of CH3CH2OCH2OCH2OCH2CH3, the coefficient of the organic compound is... the coefficient of oxygen gas is… the coefficient of carbon dioxide gas is… the coefficient of liquid water is… hint: in case your

    asked by Abby Walker on July 8, 2012
  44. chemistry

    The diving atmosphere used by the U.S. Navy in its undersea Sea-Lab experiments consisted of 0.036 mole fraction O2 and 0.058 mole fraction N2, with helium (He) making up the remainder. What are the masses of nitrogen, oxygen, and helium in a 7.22-g sample

    asked by Nagaa on December 20, 2010
  45. chemistry

    when you insert a glowing wooden toothpick into a oxygen-filled pipet what would you observe? a. nothing b. the glow of the toothpick went completely out c. heard a gentle pop d. the glow of the toothpick got brighter and may have reignited. again Im

    asked by grace on May 10, 2010
  46. chemistry

    Write the rate equation for the relative disappearance of dinitrogen pentoxide. Write the rate equations for the relative appearance of nitrogen dioxide and oxygen gas. When writing the equations, remember to think about how many NO2 and O2 molecules are

    asked by Anonymous on April 26, 2012
  47. stoichiometry

    Hydrogen cyanide is produced industrially from the reaction of gaseous ammonia, oxygen, and methane. 2 NH3(g) + 3 O2(g) + 2 CH4(g) ¨ 2 HCN(g) + 6 H2O(g) If 5.27 103 kg each of NH3, O2, and CH4 are reacted, what mass of H2O will be produced, assuming

    asked by ari on September 23, 2008
  48. Chemistry

    Question: What mass of water, in grams, would have to be decomposed to produce 17.6 L of molecular oxygen at STP? Work: n=PV/RT x=(1 atm)(17.6 L)/(0.0821)(273 k) x = 1.27348295454546 1.27348295454546 x 2 = 2.54696590909092 Grams= Moles x 18.0 Grams =

    asked by Bradley on July 13, 2011
  49. chemistry

    I would really like help for this question ASAP! pleasee! I thank you ahead of time. The question refers to an experiment using equal volumes of O2 gas and three other gases "X", "Y", "Z", at the same temperature and pressure. If the respective masses are:

    asked by md. on June 9, 2011
  50. chemistry

    I would really like help for this question ASAP! pleasee! I thank you ahead of time. The question refers to an experiment using equal volumes of O2 gas and three other gases "X", "Y", "Z", at the same temperature and pressure. If the respective masses are:

    asked by md. on June 9, 2011
  51. Chemistry

    Draw the condensed structural formula for ethylbenzene, 1,3 dichlorobenzene,1,2 and 4-trimethylbenzene ? Any help would be appreciated, thank you I also was wondering if anyone could let me know if I am going in the correct direction with this question>

    asked by Beth on July 26, 2010
  52. ELA

    Video Presentation Permission Form Mary O'Dell Video Broadcast Permission Form Willow High School Teacher’s Name: __________________________ Date: __________ Name of Video:____________________________________________ Video rating - G PG PG-13 R NR (not

    asked by Dolphin on February 15, 2018
  53. chemistry

    A furnace that provides heat by burning methane gas must have the correct mixture of air and fuel to operate efficiently. What is the mole ratio of air to methane gas in the combustion of methane? Hint: Air is 20% oxygen.

    asked by john on May 27, 2011
  54. Chemistry - Enthalpy change and stoichiometry

    N2 + O2 = 2NO enthalpy change = +180.6kJ c) what is the enthalpy change for the formation of one mole of nitrogen monoxide? d) What is the enthalpy change for the reaction of 1.000 * 10^2g of nitrogen with sufficient oxygen? I do not understand how to

    asked by Farah on February 23, 2011
  55. science

    3) Some ionic compounds contain a mixture of different charged cations. For example, some titanium oxides contain a mixture of and ions. Consider a certain oxide of titanium that is 28.31% oxygen by mass and contains a mixture of and ions. Determine the

    asked by annuni on February 13, 2012
  56. college math

    Find the distance of the shotcut and the distance of the long way for two locations. find the number of seconds saved ( 2.1 and 5.8) Approximate the are of the affected region (24 and 248 Sq Ft). find the average amount of oxgen saved per second saved

    asked by JC on March 1, 2011
  57. Science

    1. Glucose is a simple sugar made up of carbon, hydrogen, and oxygen. What kind of molecule is glucose? A) Glucose is protein B) Glucose is a nucleic acid*** C) Glucose is an organic molecule D) Glucose is an inorganic molecule 2. Glucose is a simple

    asked by orangygirl on January 21, 2016
  58. Chemistry HEAT OF FUSION

    What amount of energy is required to melt a 26.9 g piece of ice at 0oC? The heat of fusion of ice = 333 Jg-1 Heat required to melt the ice = J What amount of energy must be removed from 120 g of water to cool it from 72.1oC to 12.4oC? Specific heat of

    asked by tanner on October 6, 2011
  59. physics

    A force of 0.053 N is required to move a charge of 36 µ a distance of 30 cm in a uniform electric field. What is the size of the electric potential difference between the two points?

    asked by tyler on January 12, 2012
  60. science

    prove that the maximum horizontal range is 4 times the maximum height attained by a projectile which is fired long the required oblique direction

    asked by nt52 on June 28, 2012
  61. math

    Describe the sequence and types of transformations required to transform the graph of y=x^3 into the graph of y=2f{-2(x-1)}+4. Give the equation of the new transformed function with detailed explanation.

    asked by Anonymous on January 25, 2013
  62. physics

    A horizontal force of 5.0 N is required to move a body of mass 3.0 kg with uniform velocity along a horizontal floor. Find the coefficient of kinetic friction.

    asked by Ange on November 17, 2011
  63. trigonometry

    A ship at A is to sail to C, 56km north and 258km east of A. After sailing N25°10’E for 120mi to P, the ship is headed toward C. Find the distance of P from C and the required course to mean C.

    asked by John on January 5, 2013
  64. College Chemistry

    how many grams of metallic copper are required to react with the number of moles of Cu2+ , 0.16mol, to form CuCl overall reaction can be taken as: Cu2+(aq) + 2 Cl- (aq) + Cu(s)-->2CuCl(s)

    asked by Maggie on October 7, 2010
  65. Chemistry

    What is the specific heat of a substance if 2100 J is required to raise a 312 g sample by 15 degrees Celsius? So I use the q = mcΔT formula 2100J = (312 g)c(85 °C - 15 °C) I'm not sure if I did it right.

    asked by Katherina Ramos on May 20, 2014
  66. AP CHEM

    You need to use KH2PO4 and K2HPO4 to prepare a buffer with a pH of 7.45. Which of the following ratios of [base]/[acid] is required? For phosphoric acid, (H3PO4), Ka2 = 6.2 × 10–8. Do I use the Hasselbach equation?

    asked by Jenny on March 23, 2016
  67. trigonometry

    A ship at A is to sail to C, 56km north and 258km east of A. After sailing N25°10’E for 120mi to P, the ship is headed toward C. Find the distance of P from C and the required course to mean C.

    asked by John on January 5, 2013
  68. physics

    A 783 kg car travels along US 321. What net force is required to keep the car traveling at a constant speed of 28.8 mph around a curve whose radius is 26.4 m?

    asked by Alex on November 20, 2009
  69. Physic

    A winch drags a 200 kg crate along a 15 degrees incline at 0.2 m/s. The coefficient of kinetic friction is 0.22. What is the power required as the crate moves up the slope?

    asked by Naniso on November 5, 2015
  70. trigonometry

    A ship at A is to sail to C, 56km north and 258km east of A. After sailing N25°10’E for 120mi to P, the ship is headed toward C. Find the distance of P from C and the required course to mean C.

    asked by anonymous on January 10, 2013
  71. Physics

    A ball traveling with an initial momentum of 2.5 kg*m/s bounces off a wall and comes back in the opposite direction with a momentum of -2.5 kg*m/s. What impulse would be required to produce this change?

    asked by Amanda on March 10, 2014
  72. Social Studies

    Officials whose jobs are not provided for in the constitution but are required by law are known as____ a constitutional officers b secretaries of state-*** c deputies d statutory officers

    asked by bopper on February 8, 2016
  73. Social Studies

    Officials whose jobs are not provided for in the constitution but are required by law are known as____ a constitutional officers b secretaries of state c deputies-**** d statutory officers

    asked by bopper on February 7, 2016
  74. chemistry

    titration of 50ml of 0.25ammonia with 0.5M HCL . a) find the initial PH value b) volume of HCL is required to reach the equivalent poinnt c)the ph at the equivalence point

    asked by anne on November 29, 2014
  75. Social studies

    Officials whose jobs are not provided for in the constitution but are required by law are known as_____. A. constitutional officers B. secretaries of state C. deputies D statutory officials Not sure?

    asked by Amber on January 28, 2016
  76. Physics

    How much heat is required to convert 175 g of ice at -2°C to water at 2°C? I have no idea how to solve this. Nothing I've found in the book or on-line is helping. Can someone point me to how to solve? Thank you

    asked by Anna on July 6, 2016
  77. math

    Suppose that you must order concrete for a sidewalk that is to be 58 ft by 3 ft to a depth of 6 in. How much concrete is required? (Answer to the nearest 1/2 cubic yard.) my answe is 11.5 and is wrong.ugh

    asked by Debin on December 4, 2012
  78. physics

    2.) A horizontal force of 100 N is required to push a piece of furnisher across a floor at a constant velocity. (a.) What is the net force acting on the furniture?

    asked by Anonymous on August 18, 2010
  79. Physics

    How man joules are required to increase the temperature of 1 kg of granite by 1000K using 790 joule/kilogram-kelvin as the specific heat of granite.

    asked by John on March 28, 2010
  80. home inspection

    Based on standards of practice guidelines, which of the following home components is normally required to be inspected? A. Awnings C. Storm window B. Storm door D. Balconies

    asked by kyle on December 4, 2013
  81. Chemistry

    If 22.15 milliliters of 0.100 molarity sulfuric acid is required to neutralize 10.0 milliliters of lithium hydroxide solution, what is the molar concentration of the base?

    asked by Kaela on November 28, 2012
  82. Physics

    If 32s is required for an object to reach maximum height, what will be the time for an object to come back to its initial position? is it 32sec or -32 sec since it's traveling downwards???

    asked by Anonymous 22 on December 8, 2016
  83. logic and programing

    1.An algorithm and a flowchart is required to obtain the average weight of a group of N-students. It should read and show each student’s name, age and weight in kilograms.

    asked by guralap on June 19, 2016
  84. Chemistry

    How much heat, in kilojoules (kJ), is required to raise the temperature of 2.50kg Hg(l) from -20.0 to -6.0C? Assume a density of 13.6g/ml and a molar heat capacity of 28.0 J mol -1 C -1 for Hg(l). Please helpppppp .... thanks in advance

    asked by Bob on October 21, 2013
  85. Chemistry

    In a routine laboratory analysis, a solution of sodium chromate with a chromium concentration of 175.0 ppm is required. Calculate the molarity of this solution.

    asked by Jessica on November 25, 2014
  86. CHEMISTRY

    If 4.32 g of solid C reacts stoichiometrically according to the balanced equation, how many grams of solid TiO2 are required? 3TiO2(s) + 4C(s) + 6Cl2(g) → 3TiCl4(l) + 2CO2(g) + 2CO(g)

    asked by Anonymous on February 25, 2010
  87. Chemistry

    The molar heat of fusion for water is 6.009 kJ/mol. How much energy would be required to melt 15.11 mol ice? Answer in units of kJ. Thanks in advance!

    asked by Radio Active Wear on April 23, 2015
  88. Chemistry

    The standard molar heat of vaporization for water is 40.79 kJ/mol. How much energy would be required to vaporize 8.51 ×1010 molecules of water? Answer in units of kJ. Thanks for the help!!!

    asked by Radio Active Wear on April 23, 2015
  89. Physics

    An experiment requires sound intensity 0.942 W/m2 at the distance of 2.7 m in any direction from a speaker. What total sound power is required? Answer in units of W.

    asked by Aj on October 21, 2012
  90. chemistry

    calculating the molarity of acetic acid in a vinegar sample given that 5.00 of vinegar required 43.50 mL of 0.1050 M NaOH to just reach the methyl red endpoint.

    asked by Pam on April 24, 2013
  91. Chemistry

    If 1.0L of spilled 1M HCl needed to be neutralized using solid sodium carbonate, how many grams of solid would be required? a)53g b)106g c)1060g d)530g

    asked by Kelsey on November 3, 2010
  92. chemistry

    a 30.0ml sample of diprotic acid is titrated with .260M KOH. if 68.5ml is required to reach the equivalence point, what is the concentration of the acid?

    asked by john on October 12, 2011
  93. Chemistry

    N2 (g) + 3 CL2 (g) ---> 2 NCL3 (g) delta H = + 230 kj ----- a) What mass of N2 would absorb 96.5 kj of heat as it reacts? b) What volume of Cl2 at STP would be required to react with the N2 in part (a)?

    asked by Soba on June 3, 2008
  94. maths

    find the number of bricks, each measuring 25 cm x 16 cm x 10 cm required to construct a wall 24 m long, 6 m high and 0.4 m thick. the mortar occupies (1/10)th of the volume of the wall

    asked by leena on February 25, 2013
  95. Physical Science

    a rocket moves through outer space at 11,000 m/s. At this rate, how much time would be required to travel the distance from Earth to the Moon, which is 381,000 km?

    asked by Dana on September 15, 2013
  96. Chemistry

    A 0.2861 gram sample of an unknown acid (HX) required 32.63 mL of 0.1045 M NaOH for neutralization to a phenolphthalein endpoint. What is the molar mass of the acid?

    asked by Jake on February 19, 2009
  97. Physics

    A sustained force of 44 N moves a model airplane 10 m along its runway to provide the required speed for takeoff. Find the kinetic energy at takeoff.

    asked by Genesis on September 20, 2015
  98. Physics

    A box with a mass of 5 kg is lifted (at constant velocity) to a height of 3 m to place it on the shelf of a closet. How much work was required to lift the box to this position?

    asked by Alex on February 10, 2011
  99. physics

    A 550 N crate rests on the floor. How much work in joules is required to move it at constant speed 7.0 m along the floor, against a friction force of 150 N?

    asked by kassy on October 17, 2016
  100. Chemistry

    Suppose that 12.41 mL of 0.169 M NaOH(aq) was required to titrate 0.1579 g of an unknown acid (HX). What is the molar mass of the acid? Answer in units of g/mol.

    asked by Andrea on May 29, 2016