1. Physics .. help!!

    Imagine a landing craft approaching the surface of Callisto, one of Jupiter's moons. If the engine provides an upward force (thrust) of 3270 N, the craft descends at constant speed; if the engine provides only 2190 N, the craft accelerates downward at 40

    asked by COFFEE on February 7, 2007
  2. Chemistry 171 Lab

    Suppose we collect hydrogen gas, H2(g), over water at 21◦C in a vessel with total pressure of 743 Torr. If the hydrogen gas is produced by the reaction of aluminum with hydrochloric acid: 2Al(s) + 6HCl(aq) → 2AlCl3(aq) + 3H2(g) what volume of hydrogen

    asked by Rae on June 15, 2016
  3. calculus

    a trapezoid is a quadrilateral with (only) two sides (called bases) that are parallel. an isosceles trapezoid has two equal legs. the area of a trapezoid is A=(1/2)*h*(b1+b2) where b1 and b2 are the two parallel bases and h is the altitude. your problem: a

    asked by robert on November 18, 2011
  4. Physics

    In the 1950’s, an experimental train that had a mass of 41000 kg was powered across a level track by a jet engine that produced a thrust of 5.89 × 105 N for a distance of 520 m. Find the work done on the train. Answer in units of J.

    asked by James on February 27, 2011
  5. physics

    In the 1950’s, an experimental train that had a mass of 16200 kg was powered across a level track by a jet engine that produced a thrust of 5.02 × 105 N for a distance of 565 m. Find the work done on the train. Answer in units of J

    asked by kari on October 13, 2014
  6. information literacy

    When choosing your search strategy for a search engine, it's best to A. combine keywords into phrases by using quotation marks. B. enter the least important word first. C. use verbs, articles, and capitals. D. ignore alternate spellings. My answer is a

    asked by tasha on January 16, 2012
  7. calculus

    3. The radius r of a sphere is increasing at a constant rate of 0.04 centimeters per second. (Note: The volume of a sphere with radius r is v=4/3pir^3 ). a. At the time when the radius of the sphere is 10 cm, what is the rate of increase of its volume? b.

    asked by Yoona on January 3, 2012
  8. Science (URGENT#2)

    Select any four of the physical properites listed in Table 1.1 on page 22 and use them to describe: gold, sugar, water. I don't quite understand what this question is asking. Here is the table of physical properties as mentioned. State - solid, liquid, gas

    asked by John on May 7, 2009
  9. Chemistry (chromatography)

    I had a chromatography experiment for chemistry and here is one of the questions: Did the compounds travel farther in the water or the isopropyl alcohol (rubbing alcohol)? Explain why you think that this is the case. Now, the compounds traveled the

    asked by Fading on October 12, 2016
  10. physics

    a woman is draining her fish tank by siphoning the water into an outdoor drain the rectangular tank has footprint area A and depth H . the drain is located a distance D below the surface of the water in the tank , where D>>H . the cross section area of the

    asked by momen on January 1, 2017
  11. Physics

    Consider a glass with full of water of mass density ρ=1,000 kg/m3 and height h=20 cm. There's a circular hole in the bottom of the glass of radius r. The maximum pressure that pushes the water back into the hole is roughly (on the order of) p=σ/r, where

    asked by Mathslover Please help on May 6, 2013
  12. Physics Help

    Consider a glass with full of water of mass density ρ=1,000 kg/m3 and height h=20 cm. There's a circular hole in the bottom of the glass of radius r. The maximum pressure that pushes the water back into the hole is roughly (on the order of) p=σ/r, where

    asked by Mathslover Please help on May 8, 2013
  13. chem

    The label on a one-pint bottle of water lists the following components. If the density is the same as pure water and you drink 2 bottles of water in one day, how many milligrams of each component will you obtain? calcium 28 ppm, fluoride 9ppm, magnesium 14

    asked by sandra on June 10, 2010
  14. American Lit

    Which sentence has an elliptical adverb clause with an understood word or words? Water turns into ice when the temperature is lowered to 32°F. As we travel higher than does the sea level, the boiling point of water drops. Methyl alcohol boils at a lower

    asked by Anonymous on February 12, 2016
  15. Chemistry

    When sodium chloride, NaCl, is added to water, it forms a solution. Rank the steps involved in the dissolution of salt in water from first step to last step. To rank items as equivalent, overlap them. a.) NaCl crystal is added to water b.) NaCl solution

    asked by LuigiR on November 14, 2015
  16. Math Multiplying Fractions

    A swimming pool in the shape of a rectangular prism is 50 meters long 25 meters wide and 3 meters deep. A liter is the same as 0.001 cubic meters. How many liters of water are needed to completely fill the pool? I know how to find the volume which is 3750

    asked by Jerald on February 4, 2014
  17. chemistry homework help!!

    many gases are shipped in high pressure containers. consider a steel tank whose volume is 42.0L and which contains O2 gas at a pressure of 165atm at 23 degrees celsius. 1.) what mass of O2 does the tank contain? 2.) what volume would the gas occupy at STP?

    asked by danielle on February 17, 2012
  18. Statistics

    Total plasma volume is important in determining the required plasma component in blood replacement theory for a person undergoing surgery. Plasma volume is influenced by the overall health and physical activity of an individual. Suppose that sample of some

    asked by Desperate on July 7, 2012
  19. Statistics

    Suppose an automobile association reports that the average time it takes to respond to an emergency call is 25 minutes. Assume the variable is approximately normally distributed and the standard deviation is 4.5 minutes. If 104 calls are randomly selected,

    asked by Renita on February 3, 2012
  20. business

    2. Think of a risk response plan that you have in your personal life, such as automobile, homeowner’s, or renter’s insurance. What were some of the decision criteria that influenced your decision about how much coverage to purchase? How does your

    asked by barry on July 1, 2011
  21. chemistry

    Finding molarity and molality(best answer)? An aqueous solution is prepared by diluting 3.30 mL acetone,(d= 0.789g/mL) with water to a final volume of 75.0 mL. The density of the solution is 0.993 g/mL. What is the molarity, molality and mole fraction of

    asked by sam on October 7, 2011
  22. Science

    Could you please help me. When water is electrolyzed, two gases ar produced. As indicated in the chemical equation, twice the volume of one gas is produced compared to the other. a) Which gas is produced in larger quantities? Explain * I think it's

    asked by Samantha on April 11, 2008
  23. holy school

    H2 S + HNO3 --------> NO + H2 O + S 150 g of hydrogen sulfide are dissolved in 3500 mL of water. a. What is the molarity of the hydrogen sulfide solution? b. How many grams of sulfur can be produced from 50 mL of this solution? c. 22.4 L of nitrogen

    asked by mamta on March 3, 2013
  24. Physics

    An open-topped tank completely filled with water has a release valve near its bottom. The valve is 1.75m below the water surface. Water is released from the valve to power a turbine, which generates electricity. The area of the top of the tank, AT, is 11.5

    asked by Santi on September 4, 2014
  25. Science

    When water is electrolyzed, two gases ar produced. As indicated in the chemical equation, twice the volume of one gas is produced compared to the other. a) Which gas is produced in larger quantities? Explain * I think it's hydrogen, but i am not sure why

    asked by Sam on April 11, 2008
  26. Science 8 grade

    A little aluminum boat (mass of 14.50g) has a volume of 450.00cm3. The boat is placed in a small pool of water and carefully filled with pennies. If each penny has a mass of 2.50g, how many pennies can be added to the boat before it sinks?

    asked by Thao on October 17, 2008
  27. Science

    A little aluminum boat (mass of 14.50g) has a volume of 450.00cm3. The boat is placed in a small pool of water and carefully filled with pennies. If each penny has a mass of 2.50g, how many pennies can be added to the boat before it sinks?

    asked by Kevin on October 17, 2008
  28. Environmental Science

    I'm having diffulculty finding the answer through this passage. Could you please help me out? Industry accounts for 19 percent of water used in the world. Water is used to manufacture goods, to dispose of waste, and to generate power. The amount of water

    asked by Mack on April 21, 2007
  29. physics

    You hold a hose 45 degrees to the horizontal and at a height of 1 m from the floor. The water reaches a maximum distance of 10 m from where you are standing. Now you place your thumb over the end of the hose to occlude the opening by 80%, which in turn

    asked by carolyn on April 4, 2015
  30. physics

    You hold a hose 45 degrees to the horizontal and at a height of 1 m from the floor. The water reaches a maximum distance of 10 m from where you are standing. Now you place your thumb over the end of the hose to occlude the opening by 80%, which in turn

    asked by carolyn on April 7, 2015
  31. Physics

    You hold a hose 45 degrees to the horizontal and at a height of 1 m from the floor. The water reaches a maximum distance of 10 m from where you are standing. Now you place your thumb over the end of the hose to occlude the opening by 80%, which in turn

    asked by carolyn on April 6, 2015
  32. Algebra

    TeaPots n Treasures sells loose Oolong tea for $2.15 per ounce. Donna mixed Oolong tea with shaved almonds that sell for $0.95 per ounce to create the Market Street Oolong blend that sells for $1.85 per ounce. One week, she made 300 oz of Market Street

    asked by Lee on April 7, 2016
  33. physics

    An aluminum can is filled to the brim with a liquid. The can and the liquid are heated so their temperatures change by the same amount. The can’s initial volume at 5 oC is 3.5×10−4​ m3. The coefficient of volume expansion for aluminum is

    asked by Guadalupe on May 13, 2014
  34. physics

    A 1500-kg car coast in neutral down a 2.0degrees hill. The car attains a terminal speed of 20.0 m/s. The question is:how much power must the engine deliver to drive the car on a level road at 20.0 m/s?? Help me out please!!

    asked by Anonymous on April 29, 2014
  35. creating enviornment

    which of the following behaviors might be resolved by changing the environment? a. two children fighting over a toy fire engine. b. children wandering rather than participating in activities during center time. c. children climbing on furniture d. all of

    asked by Anonymous on June 30, 2014
  36. physics

    a rocket blasts off and moves up with an acceleration of 12 m/s2 until it reaches 30 m then the engine shuts down and the rocket continues in free fall. What is the max hieght of the rocket and what is the total duration of the rockets flight?

    asked by kristin on September 1, 2011
  37. Physics

    A rocket is fired vertically with an acceleration of 16m/s^2. After time T, the rocket's engine runs out of fuel and it begins to fall freely. The maximum height of the rocket is 940m, what is the minimum value of T?

    asked by Liam on September 30, 2016
  38. creating environment for learning

    which of the following behaviors might be resolved by changing the environment? a. two children fighting over a toy fire engine. b. children wandering rather than participating in activities during center time. c. children climbing on furniture d. all of

    asked by Anonymous on June 30, 2014
  39. chemistry

    Okay so the question is: what would be the molarity of a saturated aqueous solution of NaI prepared at 25 C, assuming that the added NaI does not add significantly to the volume of the water? My question is, I got confused on what formula I use to for the

    asked by Unknown on June 10, 2015
  40. Chemistry

    Natural gas is almost entirely methane, CH4. What volume of natural gas at 20 C and 1.00 atm pressure is required to heat one quart of water from 20 C to 100 C? The density of methane at 20 C is 0.665 g/mL. The reaction for the combustion of methane is CH4

    asked by Anonymous on March 19, 2014
  41. Chemistry

    A salt water swimming pool is 47.0 m long, 25.1m wide, and 2.79 m deep. If the pool is filled with salt water having a density of 1.06 g/ cm3, how many pounds of salt water are in the pool when it is filled? 1 kg = 2.20 lb I'm not sure how to approach

    asked by Jamie on August 29, 2016
  42. math

    The path of water from a hose on a fire tugboat can be approximated by the equation y = −0.0055x2 + 1.2x + 10, where y is the height, in feet, of the water above the ocean when the water is x feet from the tugboat. When the water from the hose is 6 feet

    asked by anonymous on September 27, 2018
  43. math

    The path of water from a hose on a fire tugboat can be approximated by the equation y = −0.0055x^2 + 1.2x + 10, where y is the height, in feet, of the water above the ocean when the water is x feet from the tugboat. When the water from the hose is 6 feet

    asked by anonymous on September 27, 2018
  44. physics

    An insulated beaker contains 300g of water initially at 30 degree celsius. water at 100 degree celsius is added until the temperature of mixture reaches 50 degree celsius . the specific heat capacity of water is 4.2J/(kg degree celsius). how much water is

    asked by annie on May 22, 2016
  45. math

    a marine biologist wants to know the vertical distance a dolphin traveled during a jump.with the surface f the water being zero , it started under water at -35 feet, jumped up and out of the water to 27 feet. and returned to the water at -18 feel. what is

    asked by Leah on November 4, 2018
  46. Chemistry

    In a constant-pressure calorimeter, 60.0 mL of 0.330 M Ba(OH)2 was added to 60.0 mL of 0.660 M HCl. The reaction caused the temperature of the solution to rise from 21.71 °C to 26.21 °C. If the solution has the same density and specific heat as water,

    asked by Heather on February 11, 2012
  47. chemistry

    A volatile liquid was allowed to evorate in a 43.298g flask that has a total volume of 252mL.the temperature of the water bath was 100 celsius at the atmospheric pressure of 776 torr.the mask of the flask and condensed vapor was 44.173g.calculate the molar

    asked by Jetta on June 28, 2010
  48. Cell biology

    you ask your lab assistant to prepare IL of solution Zeta at a concentration of 1M. He comes up to you with a 0.5M stock solution ans asks for help in calculating how much to use. what do you tell him? I dont think my answer is correct. I got 2000 mL of

    asked by Maria on September 5, 2018
  49. Math

    What graph would be the best for this problem: The following are prices (in dollars) 2004 automobiles, as listed in a sale ad in the automobile section of the newspaper: 12,997 14,891 18,666 21,799 17,495 17,266 21,517 14,414 14,257 15,634 15,734 27,825

    asked by Anonymous on November 1, 2009
  50. chemistry

    When 0.320 moles of NH4Cl is dissolved in 1.00 L of water, the temperature drops by 13.7 degrees C. What is the heat of solution of ammonium chloride? The solution has a density of 1.0012 g/mL and a specific heat of 0.9818 cal/g degrees C. How do you find

    asked by anita on April 7, 2010
  51. Math

    On a site plan for a new house, a water main runs along the edge of the property straight from point W(10, 34) to point M(2, 2). The water service will enter the house at point H(24, 22). The grid intervals on the plan represent 0.5m. A) At what point on

    asked by Afreesh on January 15, 2011
  52. 6th grade math

    I'm not sure how to solve this problem using unit rate. Jonathan is baking several boxes of bread. He used 9cups of water to 12 cups of flour. How much water was used per cup of flour? Ans: 9cups water/12cups flour = 3/4 cups water --is the problem solved

    asked by Alex on October 10, 2013
  53. Chemistry

    Heat Capacity at constant volume: CV = (partial q / partial T) with V constant since volume is constant, work is zero and dq = dU, so CV = (partial U / partial T) with V constant Delta U = CV * Delta T Does this final relationship hold during a reaction

    asked by jake on March 5, 2009
  54. chemistry

    1. Ceramic material made by the sol-gel process involve the reaction of a. water and acids. b. ethanol and water. c. water and metal oxides. d. acids and metal alkoxides. e. water and metal alkoxides. my ans. c 2. The step in the sol-gel process that forms

    asked by 657 on December 2, 2012
  55. General chem lab

    This involves Enthalpy of Neutralization: A student determined the calorimeter constant of the calorimeter. Using a plotted line. The student added 50ml of cold water to 50 ml of heated water in a Styrofoam cup. The initial temperature of the cold water

    asked by Toni on March 24, 2007
  56. chemistry

    Calculate the number of grams of reactant left over when 28.35 grams of silver reacts with 50.0 liters of air at STP which is 20.9476 % oxygen by volume. The density of air at STP is 1.292 g/L. attemtp at solution volume of oxygen= .209476*50L=10.5L How do

    asked by jason on November 8, 2008
  57. Math

    Hayden had 2 1/2 gallons of water in his watering can. The seed packet said to use 1/4 of a gallon for peppers and 5/8 of a gallon for tomatoes. Hayden then used some of the water for lettuce. If Hayden had 3/4 gallons of water left over, about how much

    asked by iris on September 28, 2015
  58. Physics Fluids

    Water is flowing through a rectangular channel that is 12 m wide with a speed of 0.75 m/s. The water then flows into four identical rectangular channels that have a width of 3.0 m. The depth of the water does not change as it flows into the four channels.

    asked by Drew on April 6, 2015
  59. chem

    Calculate delta G, delta A, and delta Stotal for each of the following processes and state any approximations made: (a) Reversible vaporization of 39 g of C6H6 at its normal boiling point of 80.1°C and 1 atm; (b) Adiabatic reversible expansion of 0.100

    asked by tang on October 5, 2017
  60. 5th grade math

    Two pails of different sizes contain 34.5 liters of water altogether. When 0.68 liter of water is poured from the bigger pail into the smaller pail, the amount of water in the bigger pail is 9 times that in the smaller pail. How much water was there in

    asked by Bella on April 5, 2016
  61. S

    An automobile travelling at 80km/hrs has tyres of radius 80cm. On applying brakes the car is brought to a stop in 30 complete turns of the tyres. What is the magnitude of the angular acceleration of the wheels? How far does the car move while the brakes

    asked by Jitender on February 15, 2017
  62. physics

    the human body can survive a negative acceleration trauma incident if the magnitude of the acceleration is 250m/sq. s. If you are in an automobile accident with an initial velocity of 29.17 m/s and are stopped by an airbag that inflates from the dashboard,

    asked by judel on February 23, 2017
  63. physics

    The basic function of the carburetor of an automobile is to atomize the gasoline and mix it with air to promote rapid combustion. As an example, assume that 31.0 cm3 of gasoline is atomized into N spherical droplets, each with a radius of 8.00 10-5 m. What

    asked by neeba on September 13, 2012
  64. Organic Chemistry

    Assume that a round bottom flask holds 100 mL and the distilling head has an internal volume of 12 mL in the vertical section. At the end of a distillation, vapor would fill this volume, but it could not be forced through the system. No liquid would remain

    asked by Omama on October 19, 2010
  65. Engineering

    Three CSTRs are used in series. The second reactor has a volume twice that of the first and third reactors. The influent flow has a concentration of 150 mg/l of A, and the flowrate is 380 l/min. The reaction is first order, the rate equation is -dCa/dt=

    asked by Anonymous on October 7, 2018
  66. science

    Low water flows are a common problem for ecosystems in semi-urban streams. Should the suggestion of using domestic drinking water supplies to increase water flows in the streams be adopted?

    asked by Anonymous on July 24, 2012
  67. physics

    An 70 kg man drops from rest on a diving board −2.9 m above the surface of the water and comes to rest 0.58 s after reaching the water. The acceleration due to gravity is 9.81 m/s 2 . What force does the water exert on the man? Answer in units of N

    asked by allioe on January 10, 2014
  68. Physics

    An 75 kg man drops from rest on a diving board −3.1 m above the surface of the water and comes to rest 0.6 s after reaching the water. The acceleration due to gravity is 9.81 m/s2. What force does the water exert on the man? Answer in units of N.

    asked by Michael N. on January 24, 2011
  69. PHYSICS!

    An 70 kg man drops from rest on a diving board 3.2 m above the surface of the water and comes to rest 0.57 s after reaching the water. The acceleration due to gravity is 9.81 m/s2. What force does the water exert on the man? Answer in units of N.

    asked by MIKE HUNT on October 29, 2008
  70. PHYS

    the water in a swimming pool transfers 1.09 x 10^10 J of energy as heat to the cool night air. If the temp of the water, which has a specific heat capacity of 4186 J/kg x °C, decreases by 5.0°C, what is the mass of the water in the pool?

    asked by arriell on November 2, 2009
  71. Physics

    container holding 340g of water (initially at 14 degrees celsius) is placed in microwave oven, which is turned on for 3 minutes. Assuming all microwave energy is absorbed by water, how much water is left in container?

    asked by Dave on April 25, 2012
  72. science

    A mass,m of water at 100degree celcius is added to another mass of water ,m at a temperature,t. The reslting temperature of the mixture is T. If the specific heat capacity of water is 4.2J/gk. Drive an expression for L terms of other quantities.

    asked by n s k on April 22, 2012
  73. physics

    Water is forced out of a fire extinguisher by air pressure. How much gauge air pressure in the tank (above atmospheric) is required for the water jet to have a speed of 34.6 m/s when the water level is d = 0.520 m below the nozzle?

    asked by Anonymous on December 4, 2009
  74. math

    A fisherman has caught a 5kg fish with a line and is lifting it vertically out of the water. While the fish is still in the water he raises it at a constant speed of 0.4 ms^-1. If the water resists this motion with a force of 6N, what is the tension in the

    asked by todd on October 26, 2013
  75. chemistry

    The heat of fusion of water is 335 J/g, the heat of vaporization of water is 2.26 kJ/g, and the specific heat of water is 4.184 J/deg/g. How many grams of ice at 0 ° could be converted to steam at 100 °C by 9,946 Joules of heat?

    asked by Dakota on November 15, 2013
  76. Chemistry

    When 155 mL of water at 26 degrees Celsius is mixed with 75 mL of water at 95 degrees Celsius, what is the final temperature of the mixture? (d Water = 1.00 g/mL) Im really stuck on this problem and chemistry isnt exactly my strong point, thanks in

    asked by David on May 19, 2014
  77. physics

    If you slosh the water in a bathtub at the correct frequency, the water rises first at one end and then at the other. Suppose you can make a standing wave in a 145 cm long tub with a frequency of 0.31 Hz. What is the velocity of the water wave?

    asked by Anonymous on March 9, 2012
  78. English

    Thank you very much for your corrections. I still have a few alternatives for you to check. 1) The demand for new clothes created the necessity (better: caused the development of new machinery?) to invent machinery for cloth-making. 2) New factories were

    asked by Franco on November 26, 2010
  79. Chemistry/pH- Weak Acid

    Hi again! I have a new question, Can you help me? Consider 50.0 mL of a solution of a weak acid HA (Ka = 1.00.E-6), which has a pH of 4.000. What volume of water must be added to make the pH = 5.000? My Calculations: To calculate the concentration of x, I

    asked by Mary on August 17, 2008
  80. AP Physics

    Hi im new so maybe one of you can help me understand this question, can't find it anywhere in the book. A person weighs 723N in air and has a body-fat percentage of 29.3% . What is the overall density of this person's body? What is the volume of this

    asked by Danny on December 3, 2009
  81. Physics

    Hi im new so maybe one of you can help me understand this question, can't find it anywhere in the book. A person weighs 723N in air and has a body-fat percentage of 29.3% . What is the overall density of this person's body? What is the volume of this

    asked by Danny on December 4, 2009
  82. chemistry

    Vinegar is a solution of acetic acid, a weak acid. How can you produce more acetate ions in the solution? CH 'subtext' 3 COOH(aq) H+(aq) + CH 'subtext' 3 COO^- (aq) A. Evaporate some of the water. B. Decrease the pressure. C. Increase the volume of the

    asked by emma on September 10, 2016
  83. Physics-science

    A block of wood has a mass of 3.6kg and specific gravity of 0.6. It is to be loaded with lead of density of 11300 kg per cubic metre so that it floats in water with 0.90 of its volume immersed. What mass of lead is needed? (a) if the lead is on top of the

    asked by KAZIN BONNY on January 2, 2016
  84. Physics

    The recovery time of a hot water heater is the time required to heat all the water in the unit to the desired temperature. Suppose that a 62-gal (1.00 gal = 3.79 x 10-3 m3) unit starts with cold water at 11 °C and delivers hot water at 53 °C. The unit is

    asked by Anonymous on February 18, 2013
  85. physics

    The recovery time of a hot water heater is the time required to heat all the water in the unit to the desired temperature. Suppose that a 62-gal (1.00 gal = 3.79 x 10-3 m3) unit starts with cold water at 11 °C and delivers hot water at 53 °C. The unit is

    asked by Anonymous on February 18, 2013
  86. Chemistry - Urgent Please help!!

    The problems: 0.0513 grams of Al (Wt. 27.0) was reacted with excess HCI to produce H2 according to the following balanced equation: 2 Al + 6 HCI ---> 2 AlCl3 + 3 H2 a) Determine the number of moles of H2 evolved from that quantity of Al when collected over

    asked by Kishwa on April 23, 2013
  87. Precalculus

    Water is flowing at the rate of 50 m^3/min from a conical reservoir (vertex down) of base radius 45 meters and height 6 meters. What is the water level when the reservoir has 5000 m^3 of water left in it?

    asked by Maddie on August 17, 2015
  88. physics

    calculate the refractive index for a ray travelling from air to water given that the angle of incidence is 30degrees and the angle of refraction in the water is 22 degrees.Determine the speed of the ray in water.

    asked by ceasar on November 10, 2011
  89. Math

    A water delivery truck with a cylindrical tank measuring 8 ft in diameter and 8 ft long dispenses water to drought victims in cartons measuring 6 in. × 6 in. × 12 in. How many victims will get a full container of water

    asked by Chris on October 26, 2009
  90. physics

    A 400 calorie quantitiy of heat is added to 20 grams of water and as a result, the water reaches a final temp of 70 deg. C. The starting temp of the water was most nearly _____ deg C.

    asked by Sonya on November 12, 2010
  91. Math

    A fire hose has a circular cross-section which has a diameter of 20 cm. The hose is full of water and the water in the hose is flowing at a speed of 5m/s. How many liters of water can flow from the hose in 1 minute? (1m^3 = 1000 L)

    asked by Maria on October 23, 2012
  92. chemistry

    The boiling point of water at 735mmHg is 99.073C. What mass of NaCl should be added to 3.11kg water to increase the boiling point to 100.000C. Kb for water = 0.510K kg mol-1.

    asked by Gina on October 11, 2010
  93. math

    A water delivery truck with a cylindrical tank measuring 8 ft in diameter and 8 ft long dispenses water to drought victims in cartons measuring 6 in. × 6 in. × 12 in. How many victims will get a full container of water?

    asked by Brandi on October 29, 2009
  94. Calculus

    A cylindrical water tank has a radius of 2 feet and a height of 6.0 feet. Compute the work done to pump the water out of a filled tank through the top. [The density of water is 62.4 lbs/ft3.]

    asked by Beth on December 6, 2011
  95. Geometry

    A water delivery truck with a cylindrical tank measuring 8 ft in diameter and 8 ft long dispenses water to drought victims in cartons measuring 6 in. × 6 in. × 12 in. How many victims will get a full container of water?

    asked by aleah on November 23, 2009
  96. math

    A water delivery truck with a cylindrical tank measuring 8 ft in diameter and long dispenses water to drought victims in cartons measuring 6 in. × 6 in. × 12 in. How many victims will get a full container of water?

    asked by kate on December 20, 2009
  97. Calculus

    Water is flowing into a hemispherical bowl having a radius of 10cm at constant rate of 3cm^3/min. When the water is x cm deep, The water level rises at a rate of 0.0149 cm/min. What is the value of x?

    asked by Francois on September 26, 2016
  98. Physics

    A raft is 4.2 m wide and 6.5 m long and it floats on water (density of water = 1000 kg/m3). When a horse is loaded onto the raft, it sinks an additional 0.027 m deeper into the water. What is the weight of the horse (in N)?

    asked by Joe Shmo on July 22, 2013
  99. math

    A water delivery truck with a cylindrical tank measuring 8 ft in diameter and long dispenses water to drought victims in cartons measuring 6 in. × 6 in. × 12 in. How many victims will get a full container of water?

    asked by kate on December 21, 2009
  100. math

    A water delivery truck with a cylindrical tank measuring 8 ft in diameter and 8 ft long dispenses water to drought victims in cartons measuring 6 in. × 6 in. × 12 in. How many victims will get a full container of water?

    asked by Brandi on October 31, 2009