1. Maths2

    A plane leaves an airport X,20.6degree east and 36.8 degree north,and flies due south along the same longitude for 8hrs at the rate of 1000km/h to another airport Y,20.6 degree east and tita degree south.the plane then flies west to another airport Z for

    asked by Tosin on November 23, 2012
  2. Physics

    What quantitative information do you need to calculate each of the measurements of an object's motion Displacement: Average velocity: Average acceleration: Displacement: Final position minus initial position Average velocity: Displacement divided by time

    asked by Tpark on December 20, 2006
  3. chemistry

    hi, I am trying to find the solubility of Sodium Acetate by using 0.100 mol Hydroxide(base) and 0.837 mol acetic acid( vinegar). The theoretical solubility of sodium acetate is 82.3g/100ml at 25C. Doing calculations we would want NAOH concentration of

    asked by john on June 3, 2008
  4. chemistry

    Hi. I have a little problem with my chemistry task. I have 4 unknown solutions: 1 light blue (A),1 green (B), 2 without colour (C & D). As I understood that the blue one is CuSO4, green one is NiCl2, but 1 uncoloured is NH3, then... A - CuSO4 [couldn't ir

    asked by Ksenija on December 27, 2008
  5. Chemistry

    If the thermometer reads 22 c and this corresponds to 19.8mmhg of water pressure , what is the pressure of a pure gas collected over water if the total pressure is 760 mmhg?next calculate the pressure of the gas and lets assume its hydrogen gas in atm.

    asked by Flor on March 25, 2017
  6. Chemistry

    Another Equilibrium Question! The following reaction is at equilibrium in a closed 20.0-L container. At equilibrium, the pressures of NH3 and HCl are both equal to 0.00552 atm, and the mass of NH4Cl (s) is 35.4 g. Calculate the equilibrium pressure of NH3

    asked by Raskin on March 19, 2012
  7. physics

    A student investigates the interference of light in a Young’s double slit experiment. i). Explain why there is no interference pattern if the two slits are 5.0 cm apart. ii). Explain why it is better for the student to observe the interference patterns

    asked by aiman on August 15, 2015
  8. physics

    At the intersection of Texas Avenue and University Drive, a blue, subcompact car with mass 820 kg traveling east on University collides with a maroon pickup truck with mass 2000 kg that is traveling north on Texas and ran a red light. The two vehicles

    asked by help! on February 20, 2018
  9. science

    Arrange the following from the most work to the least. For each instance, calculate the total amount of work done. Show all calculations, including units of measure. 1. pushing a box of math books weighing 600 newtons a distance of 20 meters -12000J 2.

    asked by anonymous on November 5, 2009
  10. Chemistry (Help)

    Calculate the DHrxn of C57H110O6 (s) + O2(g) --> CO2(g) + H2O(l) with DHf. C57H110O6(s) -390.70 O2(g) 0 CO2(g) -393.5 H2O(l) -285.840 I balanced the equation: 2C57H110O6 (s) + 163O2(g) --> 114CO2(g) + 110H2O(l) and my work: DHrxn =

    asked by Anonymous on November 17, 2015
  11. math

    For a party, Mary has to bake 5 cakes, 3 pies, and 4 trays of cookies. One cake requires 2.5 cups of flour, one pie requires 1.25 cups of flour, and one tray of cookies needs 0.75 cups of flour. How much flour in all does Mary need to do the baking for the

    asked by anonymous on February 9, 2011
  12. probability self study

    each of three identical jewelry boxes has two drawers. in each drawer of the first box there is a gold watch. in each drawer of the second box there is a silver watch. in one drawer of the third box there is a gold watch while in the other there is a

    asked by Woody on May 19, 2015
  13. physics

    Here's a physics problem. I don't care about the answer, i just want to know how to do it. don't have to be too detailed.. but i don't really kno how to start this 1.) A model rocket blasts off from the ground rising straight upward with a constant

    asked by jo on September 18, 2010
  14. Math Help

    A recipe calls for 3 cups of flour to make 3 dozen cookies. Use the proportion to calculate how much flour is needed to make 9 dozen cookies. 3 cups/3 dozen= x cups/9 dozen A. 6 cups B. 3.5 cups C. 9 cups D. 12 cups Is the answer C? Thank you

    asked by callie on November 20, 2014
  15. math

    A recipe calls for 2 cups of flour to make 2 dozen cookies. Use the proportion to calculate how much flour is needed to make 6 dozen cookies. 2 cups/2 dozen= x cups/6 dozen A. 2 cups B. 4 cups C. 6 cups D. 12 cups Is the answer C?

    asked by MATH help on March 24, 2015
  16. programming

    Having troube with java, i am not a regular programmer, if anybody can help me out writting this program: write a program that takes two numbers from the java console representing, respectively, an investment and an interest rate(you will expect the user

    asked by John on February 4, 2010
  17. Chemistry

    2KMnO4(aq)+16HCl(aq)->2MnCl2(aq)+5Cl2(g)+8H2O(l)+2KCl(aq) A.)the volume of 0.414 M KMnO4 needed to produce 1.66 mol MnCl2 B.) the volume of 2.15 M HCl needed to produce 112 mL of 0.618 M KCl C.)the molarity (M) of the HCl solution when 26.42 mL react with

    asked by Anonymous on December 10, 2010
  18. Physics B

    Part 1 Calculate the magnitude of the linear momentum for each of the following cases: A proton with mass 1.67×10 −27 kg moving with a speed of 5.24 × 10 6 m/s. Answer in units of kg · m/s Part 2 A 15.1 g bullet moving with a speed of 327 m/s. Answer

    asked by Mary on November 12, 2012
  19. Bachelor of computer science

    A program is required to calculate the weekly pay for an employee. The pay clerk inputs an employee ID, hours worked and an hourly rate. The program will output the employee ID, and Gross Pay. Gross Pay is the sum of regular pay plus any overtime pay

    asked by Tanzina on April 13, 2017
  20. College Chemistry (Hard)

    The easiest fusion reaction to initiate is 1-1H + 1-1H------> 4-2He + 1-0 n The 1-1 indicates a small one above the other on the left side of the symbol of the element.So for 1-0n is a one above a zero on the left side of n (neutron). The number on the top

    asked by Jim on April 5, 2010
  21. geological radioactivity

    What ihe basis for the determination of Uranium 238-Lead radiometric date of 1120 ma for granite Wouldn't it be the ratio of U238 and lead in the granite? I do not think so, i have actually answer the question explaing it in words but i am not sure of it

    asked by bonita on March 28, 2007
  22. chemistry

    Strong base is dissolved in 665 mL of 0.400 M weak acid (Ka = 3.69 × 10-5) to make a buffer with a pH of 3.94. Assume that the volume remains constant when the base is added. HA(aq) + OH-(aq) -> H2O(l) + A-(aq) Calculate the pKa value of the acid and

    asked by craig on July 8, 2012
  23. Biology

    A cell has a salt concentration of 0.2 %. If it is placed into a solution with a salt concentration of 0.1 %. a) What change will occur to the salt concentration inside the cell? b)What change will occur to the water concentration inside the cell? c)What

    asked by Emily on October 18, 2010
  24. math

    The fuel rods for a certain type of nuclear reactor are bundled into a cylindrical shell. Consider this cross-section showing 19 identical fuel rods: a) If the diameter of the cylindrical shell is 12.35 cm, calculate the shaded area of the cross-section.

    asked by gaurav on October 10, 2011
  25. Chemistry

    For the reaction: 2NO(g) + H2(g) N2O(g) + H2O(g) + energy Write the equilibrium constant expression for the reaction. I wrote: [N2O][H2O] / [NO]2 [H2] This reaction takes place at 25°C. At this temperature the concentration of NO is found to be 1.75

    asked by Kat on April 13, 2016
  26. PHYSICS

    The surface area A of a sphere of radius R is given by the equation A = 4pi*R2, where pi equals 3.1416 (to 5 digits). Calculate the area of a sphere which has a radius of 2 m. If 2600 grains of sand are uniformly spread out on the surface of the sphere,

    asked by Anonymous on October 2, 2018
  27. math

    how would this equation look: y=f(x+3) when y=f(x)= x^2 would it look like so.... x^2(x+3) adam, there's a slight problem with your notation in the expression y = f(x+3). Ordinarily we wouldn't put an expression in place of a variable, unless we were

    asked by adam on July 6, 2006
  28. 7th grade Math quick help Ms. Sue

    Can you check to see if tese are right? 1. What is 0.68 written as a simplified fraction? 68/100 17/25 100/68 34/25 2. Mrs. Whimsey’s class is having a pizza party. If there are 16 students and 4 pizzas cut into 8 slices, what answer choice represents

    asked by Delilah on October 3, 2012
  29. Math

    What is the value of a stock that grows at a supernormal rate of 18% for the first four years, and then slows down to a constant growth rate of 10%? An annual dividend of $2.00/share was just paid, and the rate of return on common stock is 13%. Possible

    asked by Lyra on June 23, 2017
  30. MIT 2.01X

    We will obtain bending moment diagrams for three beams and calculate stresses inside the beams. For each beam, take the x-axis along the neutral axis of the beam, oriented from left to right, with origin at A. HW7_1A_1 : 5.0 POINTS For the beam above,

    asked by Uncle SAM on June 25, 2013
  31. chemistry

    At 298 K, 1.35 mol BrCl(g) is introduced into a 12.0 L vessel, and equilibrium is established in the reaction. BrCl(g)-->0.5Br2(g) + 0.5Cl2(g) Calculate the amount of BrCl(g) present when equilibrium is established.(Use delta G[Br2(g)]=3.11kJ/mol and delta

    asked by ian on March 24, 2012
  32. Algebra

    Please help me solve this problem the kinetic energy (k) energy of a moving object with varies jointy with it mass (m) and the squareo of its velocity (v). If an object has an mass of 22.5 kilograms and moving with a velocity of 20 meters per secomd has a

    asked by rosa on May 23, 2010
  33. Math

    Asked to simplify the expression sin(180−è), Rory volunteered the following solution: sin(180−è) = sin 180−sin è, and, because sin 180 is zero, it follows that

    asked by Anonymous on January 3, 2017
  34. joint heirs college, Fola agoro, shomolu Lagos.

    CHEMISTRY (1) What is the equation for reaction when calcium oxide and coke are heated in electric furnace (2) what solid remains when the following is heated-(a) lithium trioxonitrate (v), (b) potassium trioxonitrate (v), (c) calcium trioxonitrate (v).

    asked by Agunlejika Precious on October 15, 2015
  35. Chemistry

    EQUILIBRIUM: To prepare the standard solution, a very large concentration of ferric ion is added to a small initial concentration of thiocyanate ion. True or False It would help if we knew what you were doing. We are determining Chemical Equilibrium:

    asked by Joe on January 31, 2007
  36. Visual Basic (Computer Programming)

    ALGORITHM EXERCISES 1. Wilma Peterson is paid by the hour. She would like a program that both calculates and displays her weekly gross pay. For this exercise, you do not need to worry about overtime pay, as Wilma never works more than 40 hours in a week.

    asked by Erick on January 16, 2013
  37. chem 12

    for the equilibrium 2HI(g)--- H2(g) + I2 k eq = 8.0 2.0 mol of HI are placed in a 4.0 L container, and the system is allowed to reach equilibrium. Calculate the equilibrium concentration of all three gases. Inital 2HI 0.5mol/l H2 =0 I2=0 change 2HI= -2x

    asked by George on March 10, 2016
  38. chemistry

    Follow the steps provided in the simulation to add water to the graduated cylinder, select one of the three samples (copper, silver, or gold), set its mass to the values given in the statements below, find its volume, and calculate its density. To save

    asked by fatimah on September 21, 2011
  39. science

    A combination of two prism one of flint &other of crown glass produces dispersion without deviation.The angle of the flint glass prism is 15degree . Calculate the angle of crown glass prism & the dispersion separation of red & violet rays an emergence from

    asked by apurv on August 24, 2015
  40. physics =(

    A person on a small, 7.00 meter high, hill aims a water-balloon slingshot straight at a friend hanging from a tree branch 4.00 meters above and 6.00 meters away. At the instant the water balloon is released at 7.00 m/s, the friend lets go and falls from

    asked by Jordan on December 12, 2009
  41. organic chemistry laboratory

    hi, im not sure if all my answers are correct especially number 5. could any one check and tell me? please and thank you. 1. Why is it important to have clean test tubes before running a test? Before which tests should acetone not be used to clean the test

    asked by Niah on November 2, 2014
  42. organic chemistry laboratory

    hi, im not sure if all my answers are correct especially number 5. could any one check and tell me? please and thank you. 1. Why is it important to have clean test tubes before running a test? Before which tests should acetone not be used to clean the test

    asked by Niah on November 4, 2014
  43. Physics

    A stone is dropped from the top of a cliff and hits the round below with a speed of 50m/s. Assume that the acceleration due to gravity is 10m/s/s. Find it's mean speed, in m/s, during the fall. Do not include units when typing your answer into the box.

    asked by Phil on November 4, 2015
  44. chemistry

    1. Given that 50 grams of ice is heated at -20.0 °C to steam at 135.0 °C. i. Show the graph of the changes from ice to steam ii. Calculate the energy needed to change the ice to steam Please use these values: Heat of fusion = 334.16 J g¯1 Heat of

    asked by bliss on March 9, 2016
  45. Statistics

    The table below shows the LOS for a sample of 11 discharged patients. Using the data in the table, calculate the mean, range, variance, and standard deviation, and then answer questions e and f. Round the variance and standard deviation to one decimal

    asked by Anonymous 11/9/13 on November 9, 2013
  46. Chemistry

    Hello, I am having trouble with a question from my chem lab. Here is my data Weight of empty crucible and cover = 21.113 g Weight of crucible, cover, MgO and Mg3N2 = 21.906 g Weight of crucible, cover, MgOand addition of H2O and heat =21.909 g The change

    asked by Steve on September 23, 2008
  47. algebra

    The Answer is (32/20)^2=2.56times the kinetic enrgy at 20 m/s 2.56x4500 Problem The kinetic energy (k) of moving object varies jointly with it mass (m) and the square of its velocity(v). If an object has a mass of 22.5 kilgorams and moving with a velocity

    asked by rosa on May 23, 2010
  48. PHYSICS

    A tuning fork of frequency 558 Hz is placed near the top of the pipe shown in the Figure. The water level is lowered so that the length L slowly increases from an initial value of 20.0 cm. Determine the next two values of L that correspond to resonant

    asked by JAY on June 18, 2007
  49. physics

    1)A hiker throws a ball at an angle of 21.0 above the horizontal from a hill 21.0 m high. The hiker's height is 1.750 m. The magnitudes of the horizontal and vertical components are 14.004 m/s and 5.376 m/s, respectivley. Find the distance between the base

    asked by Anonymous on April 16, 2008
  50. Improving your writing

    BACKGROUND: Ten years ago, I started working as a clerk for DMD Medical Supplies. Six months ago, Liz, the human resources director, promoted me to office manager. I manage two employees: Jack and Ruth. My office provides secretarial support for the four

    asked by Kayla on March 29, 2012
  51. Physics...please help

    A beam of light passes from air to ethanol, with index of refraction of 1.36. If the angle of incidence ( 1) is 30.0 degrees, then calculate the angle of refraction, after light passes through ethanol and enters into air. A. 15.3 degrees B. 21.6 degrees C.

    asked by sophie on April 6, 2009
  52. physics

    An airplane with a speed of 85.3 m/s is climbing upward at an angle of 45.0 ° with respect to the horizontal. When the plane's altitude is 587 m, the pilot releases a package. (a) Calculate the distance along the ground, measured from a point directly

    asked by S on September 19, 2014
  53. accounting

    Mr. Jones intends to retire in 20 years at the age of 65. As yet he has not provided for retirement income, and he wants to set up a periodic savings plan to do this. If he makes equal annual payments into a savings account that pays 4 percent interest per

    asked by matt on June 10, 2009
  54. AP Chemistry

    So I already posted this question earlier today and got a reply but now that Im working through it, its not working. What mass of solid sodium formate (of MW 68.01) must be added to 130 mL of 0.63 mol/L formic acid (HCOOH) to make a buffer solution having

    asked by Helpmepls on January 16, 2018
  55. Chemistry(Please help!!)

    For a chemistry lab the experiment was to carry out an acid-base titration to determine the exact concentration of a sodium hydroxide solution. Two trials were completed and the data collected was: mass of weighing paper, mass of weighing paper + KHP, mass

    asked by Hannah on October 23, 2011
  56. Chemistry

    For a chemistry lab the experiment was to carry out an acid-base titration to determine the exact concentration of a sodium hydroxide solution. Two trials were completed and the data collected was: mass of weighing paper, mass of weighing paper + KHP, mass

    asked by Hannah on October 23, 2011
  57. chemistry

    the solubility of AgCl in HCl is a. low, as Cl- ions cause an equilibrium shift towards the solid form b. low, as Ag+ has already reacted with Cl- c. high, as HCl readily ionizes d. high, as AgCl can then form e. high, as H2 forms, then escapes (a) The

    asked by Mary on April 21, 2007
  58. English

    For homework I have to answer the following questions regarding Puerto Rican obituary by Pedro pietri but I am horrible at interpreting poems if someone can please help thank you "Puerto Rican Obituary", by Pedro Pietri: What has the American dream turned

    asked by Jessica on May 23, 2013
  59. Math

    The solution set of radical(x - 1) (is greater than sign) 5 is the set of all real numbers x such that: F. x (is greater than sign) 4 G. x (is greater than sign) 6 H. x (is greater than sign) 24 J. x (is greater than sign) 25 K. x (is greater than sign) 26

    asked by Anonymous on May 3, 2015
  60. Physics

    (1)A battery drives 60c of charge in a circuit for 20s. Thecurrent in the circuit is?(2)What is the volume of a block of expanded polystyrene of 400g and density 16kg/m3?(3)The velocity of a toy car of mass 2kg increased from 5m/s to 10m/s in 2seconds.What

    asked by kingstone on March 19, 2013
  61. phy

    (Q1)What is the orbital radius and speed of a synchronous satellite which orbits the earth once every 24h? Take G=0.0000000000667Nm2/kg2. Mass of the earth is 598000000kg (a)4200000m and 31000m/s (b)5600000m and 4300m/s (c)430000m and 5000m/s(d)3400000m

    asked by ikye on July 5, 2013
  62. Physics

    A 25.0-g metal cylinder is placed on a turntable, with its center 70 cm from the turntable's center. The coefficient of static friction between the cylinder and the turntable's surface is μs = 0.71. A thin, massless string of length 70 cm connects the

    asked by Charlie on October 7, 2014
  63. Physics

    The Hubble Space Telescope (HST) has recorded evidence of a black hole at the center of the M87 galaxy. Using Doppler data, it's been measured that matter is orbiting the center of this galaxy at an orbital speed of 7.5x10 5 m/s, out at a radius of 5.7x10

    asked by Zac on July 26, 2012
  64. Algebra

    In 2000, in Country A, the average family net worth was $410,000, and there was about 6.1 x 10^7 families. Calculate the total family net worth Country A in 2000. Country A's total family net worth is what in dollars?

    asked by Jamal on April 12, 2013
  65. physics

    when i calculate the density from my measurement,mass=154.4, volume=175.00,and got 0.8823 g/cmexp3 as the answer,so do i have to express the answer in scientific notation or round off it? No, you do not need to express the answer in scientific notation

    asked by Katrina on September 17, 2006
  66. stats

    1. Suppose that you are taking a quiz of 6 multiple- choice questions (the instructor chose the questions randomly), each question having 6 possible responses. You did not study at all for the quiz and will randomly guess the correct response for each

    asked by Taylor on June 27, 2016
  67. PHYSICS

    Two capacitors, C1=25.0x10^-6 and C2=5.0x10^-6 are connected in parallel and charged with a 100-V power supply. a)calculate the total energy stored in the 2 capacitors b) what potential difference would be required across the same 2 capacitors connected in

    asked by nat on February 4, 2008
  68. chemistry

    Hi, I posted this question earlier but still need some help: 1.3188g of antacid is weighed and mixed with 75.00mL of excess 0.1746 M HCl. The excess acid required 27.20 mL of 0.09767 M NaOH for back titration. Calculate the neutralizing power of the

    asked by Serenity on October 5, 2010
  69. Algebra

    Available evidence suggests that about 20 percent of the asteroid’s mass turned to dust and spread uniformly over Earth after eventually settling out of the upper atmosphere. This dust amounted to about 0.02 g/cm^2 of Earth’s surface. The asteroid very

    asked by Kate on August 16, 2010
  70. PHYSICS (CHECK WORK)

    Can somebody please check my work. I got part a right, but my answer for part b is wrong. (a) Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 25.6 m. Assume the density of the water is 1.00 103 kg/m3 and the air above is

    asked by Amy on November 7, 2012
  71. Physics

    calculate the acceleration of this system, assuming that there are no frictional forces between the table and Block A. Block A is sitting on a table connected by a rope to a pulley system and Block B is hanging off the table connected to the rope from the

    asked by JR on November 19, 2013
  72. Math

    Share $1500 among james, peter and mary so that each of the two boys receives twice as much as mary. Calculate the amount of money mary received. Express Mary's share as a fraction of the total amount. Express Peters share as a fraction of the amount

    asked by Jay on November 11, 2018
  73. Physics (please help!!!!)

    A car experiences rolling (tractive) friction with coecient of friction mut = 0.0200, and turbulent-flow (bv^2) drag, with drag coefficient CD = 0.300. The car has mass (including fuel, which is a negligible fraction of the total) M = 1000. kg and frontal

    asked by Cecille on April 12, 2011
  74. Physics (please help!!!!)

    A car experiences rolling (tractive) friction with coecient of friction mut = 0.0200, and turbulent-flow (bv^2) drag, with drag coefficient CD = 0.300. The car has mass (including fuel, which is a negligible fraction of the total) M = 1000. kg and frontal

    asked by Cecille on April 12, 2011
  75. western michigan university

    A 30 gram metal at 100 degrees Celsius was dropped into 132 grams of water at 25 degrees Celsius and the final temperature for the metal in water system was 29 degrees Celsius. Calculate the specific heat capacity of the metal if the specific heat capacity

    asked by lorena on December 6, 2012
  76. Technology

    Calculate the force required to move a small pistons that has an area of 2m2,if the force of a large piston is 20n with an as area of 4m2.Hint use a formulae :a frorce of small piston divided by an area of small piston equal to force of large pistone

    asked by Anonymous on June 2, 2017
  77. Physics

    A diver (mass = 75.0 kg) walks to the end of a flexible diving board. The end of the board bends down a distance of 0.55 m. The diver's weight on the diving board makes it behave like a spring. a) Determine the spring constant of the diving board. b)

    asked by Shanelle on January 14, 2013
  78. Physics

    It took a stopping train 41/4min to travel between two stations 11.2km apart.The train accelerated uniformly during the first 11/4min of the journey,and decelerated uniformly to rest during the last 3/2min of the journey.The train had moved with uniform

    asked by Dan on July 11, 2010
  79. chemistry

    A gas of unknown molecular mass was allowed to effuse through a small opening under constant-pressure conditions. It required 52 s for 1.0 L of the gas to effuse. Under identical experimental conditions it required 24 s for 1.0 L of O2 gas to effuse.

    asked by Jennifer on October 10, 2010
  80. math

    The top horizontal edge of the rectangle measures 17 centimeters, the left vertical edge of the rectangle measures 22 centimeters, and the bottom horizontal edge measures 17 centimeters. The left vertical leg is on the right edge of the rectangle, with v

    asked by chloe on May 9, 2019
  81. Chemistry

    Good morning. I need help solving 2 problems for chemistry. For #1 I need someone to check my work and tell me if I did it wrong and show me how and where I went wrong. And for #2 I need someone to help me figure out how to solve it and explain. 1. With

    asked by Samantha on November 26, 2017
  82. Algebra 1

    10)The formula b=30a is used in New England to estimate the minimum furnace output, b, in BTU's for a modern house with a square feet of flooring. A) determine the minimum furnace output for a 2100 ft squared modern house. B) solve formula for a Answer:a)

    asked by deedee on November 5, 2008
  83. Physics

    PLEASE HELP WITH AS MANY AS POSSIBLE... I AM TERRIBLY CONFUSED. 1. A charge moves a distance of 1.7 cm in the direction of a uniform electric field having a magnitude of 200 N/C. The electrical potential energy of the charge decreases by 9.69095 × 10−19

    asked by Jonathan on February 16, 2010
  84. chemistry

    1. If half cell A has a standard reduction potential of E= -1.10 V and half cell B has a standard reduction potential of E= 0.65 V, which half-cell is the anode? 2. Which half cell has the higher potential energy? 3. Calculate Ecell for this voltaic cell.

    asked by greentree on July 14, 2012
  85. physics

    A U-shaped tube is partly filled with water and partly filled with a liquid that does not mix with water. Both sides of the tube are open to the atmosphere. If h1 = 0.46 m and h2 = 0.25 m, what is the density of the liquid? on the left side of the tube is

    asked by Adam on April 10, 2012
  86. Vector Cross & Dot Product

    Given vector a=(2,1,0)and vector b=(-1,0,3) and vector c=(4,-1,1), calculate the following triple scalar and triple vector products. 1. c x a dot b What I did: c x a = ((-1)(0)-(1)(1), (1)(2)-(4)(0), (-1)(2)-(4)(1) =(-1, 2, -6) (cxa) dot b =(-1,2,-6) dot

    asked by Annon on February 9, 2015
  87. Business math

    PROBLEM 1 The video discusses the requirements of a package to qualify as freight. A package must weigh at least 151 pounds. It must be palletized, stackable, forklift-friendly and shrink-wrapped or banded for stability. The uniform cargo footprint can be

    asked by maggie on April 11, 2013
  88. Physics

    A rocket travels vertically away from the surface of Mars. It is still close to the surface and travelling at a speed of 25 m s when it jettisons an empty fuel tank. The fuel tank initially travels with the velocity of the rocket, but it is attracted to

    asked by Anon on May 14, 2018
  89. Chemistry help please!!!

    Experimental Procedure, Part F. A 1.0- mL volume of 0.010 M H2SO3 is added to a mixture of 12 drops of 0.01 M HIO3, 8 drops of deionized water, and 1 drop of starch solution. A color change in the reaction mixture occured in 40 seconds. a. Assuming 25

    asked by john on January 27, 2011
  90. Physics/Mechanics

    We will obtain bending moment diagrams for three beams and calculate stresses inside the beams. For each beam, take the x-axis along the neutral axis of the beam, oriented from left to right, with origin at A. HW7_1A_1 : 5.0 POINTS For the beam above,

    asked by MAN on June 18, 2013
  91. Materials Science

    A 4-point bending test is performed on the same beam, with symmetric loads of 5kN separated by 2m. Draw the bending moment and shear force diagrams for the beam. Then answer the following questions about the shear force V and bending moment M. What is the

    asked by qwerty on October 17, 2014
  92. chemistry

    A method for scrubbing CO2(g) from the air on a spacecraft is to allow CO2(g) to react with NaOH according to the following (unbalanced reaction). NaOH(s) + CO2(g) → Na2CO3(s) + H2O(l) Use the appropriate thermodynamic tables to calculate the enthalpy,

    asked by Boris on February 3, 2015
  93. college general chemistry

    calculate the lowest whole number ratio of Moles of Mg/moles of O average of Moles of Mg/Moles of O Trial 1 mass of empty crucible and lid= 36.560 mass of Mg=0.348 mass of crucible, lid, and product=38.229 Trail 2 mass of empty crucible and lid=32.221 mass

    asked by Amber on February 25, 2013
  94. statistics

    A life insurance salesman sells on the average 3 life insurance policies per week. What type of this distribution is? (2 marks) Let in a given week, calculate probability of the salesman will sell, i. at least one policy. (2 marks) ii. from two to four

    asked by sara on December 6, 2011
  95. Pseudocode

    Write an algorithm and pseudocode for A salesperson wants to write a program to calculate their gross monthly pay based on their annual salary, total sales, and commission rate. The program's output is the monthly pay calculated by: Monthly pay = (annual

    asked by Mare on October 28, 2018
  96. accounting

    Wallace Inc., a developer of radiology equipment, has stock outstanding as follows: 30,000 shares of cumulative preferred 2% stock, $90 par and 125,000 shares of $10 par common. During its first four years of operations, the following amounts were

    asked by Anonymous on September 15, 2014
  97. Statistics

    10. It is thought that prehistoric Indians did not take their best tools, pottery, and household items when they visited higher elevations for their summer camps. It is hypothesized that archaeological sites tend to lose their cultural identity and

    asked by Tab on January 26, 2011
  98. Math

    The Pioneer 10 spacecraft passed the planet Jupiter on December 12, 1973, and exited the solar system on June 14, 1983. The craft traveled from Mars to Jupiter, a distance of approximately 1 billion kilometers, in one year and nine months. a.Calculate the

    asked by Aubrey on November 17, 2013
  99. physics multiple choice

    1)A coil of length 1cm has N turns and carries an electric current I. It creates at a point M a magnetic field of intensity B. -If a current 3I is sent in the coil the field strength at M becomes: a. 3B b. B/3 c. B -If the number of turns per unit length

    asked by angy on May 17, 2016
  100. chem

    I am posed with a question which, in order to be solved, needs the Van't Hoff Factor of ethylene glycol. Some research has shown me that ethylene glycol is an electrolyte, but I don't know how it dissociates in water. Any help would be appreciated. It is

    asked by Jakob on March 24, 2007

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