1. 11th phyics

    An automobile with an initial speed of 4.56 m/s accelerates uniformly at the rate of 2.4 m/s2. Find the final speed of the car after 4.4 s. Answer in units of m/s
  2. physics

    How long does it take an automobile traveling 62.0 km/h to become even with a car that is traveling in another lane at 37.5 km/h if the cars' front bumpers are initially 138 m apart? in seconds
  3. survey of science

    if a automobile with a mass of 500kg hits another car that has a mass of 650kg produces a force of 1800n, find the acceleration
  4. physics

    the change of velocity of an automobile during a 5.0-s period is 20m/s in the due easterly direction. What is the magnitude and direction of its average acceleration
  5. Physics

    An automobile with 0.80-m diameter wheel starts from rest and accelerates uniformly to 22 m/s in 0.7 s. Through how many revolutions does the front wheel turn during this period?
  6. physics

    An automobile with an initial speed of 3.25 m/s accelerates uniformly at the rate of 3.2 m/s 2 . Find the final speed of the car after 4.4 s. Answer in units of m / s
  7. physics

    An automobile with an initial speed of 6.60 m/s accelerates uniformly at the rate of 3.9 m/s^2 Find the final speed of the car after 5.2s Answer in units of m/s
  8. physics

    An automobile with an initial speed of 6.60 m/s accelerates uniformly at the rate of 3.9 m/s^2 Find the final speed of the car after 5.2s Answer in units of m/s
  9. Biology

    In a lab on lung capacity where lung volumes (Tidal Volume, Expiratory Reserve Volume, Inspiratory Capacity, Inspiratory Reserve Volume, and Vital Capacity) are measured... Why can't you measure the Inspiratory Reserve Volume (IRV) directly? (In the
  10. Biology

    In a lab on lung capacity where lung volumes (Tidal Volume, Expiratory Reserve Volume, Inspiratory Capacity, Inspiratory Reserve Volume, and Vital Capacity) are measured... Why can't you measure the Inspiratory Reserve Volume (IRV) directly? (In the
  11. AP Chemistry

    The molar mass of a volatile liquid (one which vaporizes easily) can be determined by a the DUMAS METHOD.' In this process a small amount of the liquid (a few drops) is placed in a clean flask. The mouth of the flask is covered with a piece of foil that
  12. chemistry

    The molar mass of a volatile liquid(one which vaporizes easily) can be determined by a the 'Dumas Method.' In this process a small amount of the liquid (a few drops) is placed in a clean flask. The mouth of the flask is covered with a piece of foil that
  13. Social Studies

    Which statement best evaluates the overall effects of water projects in New Mexico? Water projects have cost billions of dollars but offer little real benefit. Water projects make it possible for more people to live, work, and farm in the state.++++++++++
  14. Physics - bobpursley

    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
  15. Science

    May you please tell me if these are true or false, if they are false then can I have the true statement, thank you In the water cycle, water returns to Earth as (condensation) usually in the form of rain or snow During dry weather, the water level in a
  16. Chemistry

    CaH2 is so reactive with water that it can be used to "dry" solvents other than water. If a sample if solvent that contains a total of 14g of water is added to 24.6g of calcium hydride, which of these will remain after the reaction is complete: water or
  17. Algebra 1

    The upward velocity of the water in the stream of a particular fountain is given by the formula v = -32t + 28, where t is the number of secondds after the water leaves the fountain. While going upward, the water slows down until, at the top of the stream,
  18. chemistry

    If I wanted to make two solutions. In one I will mix Chemical A into 1 Liter of water. In the second I will mix Chemical B into 1 Liter of water. If I want my two solutions to be the same concentration they should contain the same number of PARTICLES. How
  19. science

    4. A 70.0 g sample of water at 95.00°C is mixed with 50.0 g of water at 135.0°C. Calculate the final temperature of the mixture assuming no heat loss to the surroundings. Remember that the heat gained by the cooler water is equal to the heat lost by the
  20. physical science

    For each pair of substances, which of the substance with more thermal energy and explain why. a.500 g of water at 35„aC vs. 500 g of water at 85„aC b.500 g of water at 35„aC vs. 250 g of water at 35„aC I don't know how to determine the answer
  21. Mathamatics

    Choose the two true statements from the following. Options A) If the rate of inflation as measured by the RPI is 2%, then a pension index linked to the RPI will increase by 2%. B) A price ratio of 0.8 corresponds to a price decrease of 80%. C) If the price
  22. Algebra

    The vendor of a coffee cart mixes coffee beans that cost $7 per pound with coffee beans that cost $5 per pound. How many pounds of each should be used to make a 50-pound blend that sells for $5.79 per pound?
  23. chemistry

    A 9.35 gram of ring with it's volume of 0.654 cm3 is an alloy of gold and with density of gold and silver respectively 19.3 g/cm3 and 10.5 g/cm3 assume there is no change in volume when pure metals are mixed. calculate volume of gold?
  24. chemistry

    Determine the concentration of 20.0 mL of the sulphuric acid when 1.00 mol/L sodium hydroxide is used as the titrant. Observations: Initial volume of H2SO4 __________. Final volume of H2SO4 __________. Volume of H2SO4 added __________.
  25. Chemistry

    Determine the concentration of 20.0 mL of the sulphuric acid when 1.00 mol/L sodium hydroxide is used as the titrant. Observations: Initial volume of H2SO4 __________. Final volume of H2SO4 __________. Volume of H2SO4 added __________.
  26. HEEEEEEELP

    HI I have no idea what's Alternative energy source . Can anyone help me in giving me a defintion for it thanx An alternative energy source is an additional one that is not being used already. It depends on what source is predominant or currently being
  27. Physics (Please help!!!)

    1) An ideal gas occupies a volume of 0.60 m^3 at 5atm and 400K. What volume does it occupy at 4.0atm and a temp of 200K? I know how to find the volume with the m^3 and the atm but it threw me off since it gives the 4.0 atm and the temp 200K.
  28. College Chem

    Oxygen gas has a Henry's law constant of 1.66*10^-6 M/mm Hg at 40 degree C when dissolving in water. If the total pressure of gass (O2 gas plus water vapor) over water is 1.0 atm, what is the concentration of O2 in the water in grams per milliliter?
  29. Chemistry

    A solution is prepared by dissolving 10.8 g of ammonium nitrate in enough water to make 100.0 mL of solution. A 10.0 mL portion of this sample is diluted to 50.0 mL total volume. What is the molarity of the final solution?
  30. Chemistry

    The volume of 10 ml of H2SO4 solution was diluted 250 ml with distilled water. This resulting solution, 25 ml were neutralized by 10 ml of 0.1 mol/L solution of NaOH. calculate the Molarity of sulfuric acid.
  31. Physics

    I've tried everything and can't come up with the correct answer. Help! A liter of water has a mass of 1 kg and the mass of a water molecule is 18 amu. How many molecules of water are there in 4 L of water?
  32. math

    How many pounds of candy selling for $2.25 a pound should be added to four pounds of candy selling for $4 a pound to create a blend, which will sell for $3.25 a pound?
  33. Calculus

    Find the radius, volume, and hieght of the right- circlar cylindar that can be inscribed in a right- circular cone with a radius of 6 inches and a hieght of 10 inches. There are an infinite number of solutions to this. Did you mean the right cylinder with
  34. Physics also

    A cylindrical diving bell 5 m in diameter and 10 m tall with an open bottom is submerged to a depth of 150 m in the ocean. The temperature of the air at the surface is 20 degrees Celsius, and the air temp 150 m down is 2 degrees Celsius. The density of
  35. Physics - Submerged Cylinder

    A cylindrical diving bell 5 m in diameter and 10 m tall with an open bottom is submerged to a depth of 150 m in the ocean. The temperature of the air at the surface is 20 degrees Celsius, and the air temp 150 m down is 2 degrees Celsius. The density of
  36. Gr.12 Chem - PLEASE CHECK MY ANSWER

    Hi, Im learning about polymers. I did a lab to make slime where I mixed PVA glue & water. I then added borax to some water in another container, and the poured off the water from the wet borax. I then added the borax to the glue/water solution. I have to
  37. Statistics

    The lifetime of a certain type of automobile tire (in thousands of miles) is normally distributed with mean 43 and standard deviation 7. Find the percentile corresponding to p = 29% of the tire lifetimes.
  38. physics

    How long does it take an automobile traveling 66.8 km/ h to become even with a car that is traveling in another lane at 50.8 km/ h if the cars" front bumpers are initially 144 m apart? Answwe in units of s.
  39. physics

    An automobile traveling at 14.0km/h along a straight, level road accelerates to 65.0km/h in 5.30s . What is the magnitude of the auto’s average acceleration in m/s^2?
  40. physics

    Which of the following could be considered to be an 'accelerator' in an automobile? A. brake pedal B. gas pedal (choose this one but says wrong) C. steering wheel D. All of these can cause the car to accelerate.
  41. physics

    An automobile wheel with a 9.00-cm radius and the radius to the rim is 7cm, as shown below, rotates at 2.50 rad/s. How fast does a point 6.50 cm from the center travel? 1 cm/s
  42. Physics

    An automobile traveling 50km/hr. It decelerates at 5 meter per second square. How long will it take to stop the car? How far will the car travel after a brakes are applied?
  43. physics

    In an Automobile a 44 kg passenger moving at 40 m/s is brought to rest by an air bag during a 0.1 s what is the magnitude of the average force exerted on the passenger during this time ?
  44. statistics

    2. Classify the following variable as nominal, ordinal, discrete, or continuous and state why it is such a variable: number of automobile accidents per year (Points : 3)
  45. Phiysics

    An automobile traveling 50km/hr. It decelerates at 5 meter per second square. How long will it take to stop the car? How far will the car travel after a brakes applied?
  46. 11th grade

    An automobile with an initial speed of 4.56m/s accelerates uniformly at the rate of 2.4m/s2. Find the final speed of the car after 4.4 s. Answer in units of m/s.
  47. Physics

    How long does it take an automobile traveling 68.5 km/h to become even with a car that is traveling in another lane at 56.5 km/h if the cars’ front bumpers are initially 145 m apart? Answer in units of s.
  48. physics

    How long does it take an automobile traveling 68.3 km/h to become even with a car that is traveling in another lane at 54.3 km/h if the cars’ front bumpers are initially 121 m apart? Answer in units of s.
  49. Physics

    How long does it take an automobile traveling 74.3 km/h to become even with a car that is traveling in another lane at 58.3 km/h if the cars’ front bumpers are initially 114 m apart? Answer in units of s
  50. physics

    An automobile tire has a radius of 0.455 m, and its center moves forward with a linear speed of v = 15.7 m/s. Determine the angular speed of the wheel.
  51. Physics

    An automobile with an initial speed of 6.12m/s accelerates uniformly at the rate of 4.4 m/s^2.Find the final speed of the car after 4.6 s. Answer in units of m/s
  52. Physics

    How long does it take an automobile traveling 62.9 km/h to become even with a car that is traveling in another lane at 48.9 km/h if the cars’ front bumpers are initially 130 m apart? Answer in units of s.
  53. physics

    How long does it take an automobile traveling 64.7 km/h to become even with a car that is traveling in another lane at 53.7 km/h if the cars’ front bumpers are initially 132 m apart? Answer in units of s
  54. science

    A 30.0 g sample of water at 280. K is mixed with 50.0 g of water at 330 K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings. Remember that the heat gained by the cooler water is equal to the heat lost by the warmer
  55. Calculus (Definite Integrals - Fluid Pressure)

    The ends of a water trough have the shape of the region bounded by the graphs of y = x2 and y = 4 with x and y both measured in feet. To what depth must the trough be filled with water so that the force exerted by the water on either end of the trough is
  56. chemistry

    A 9.35 gram of ring with it's volume of 0.654 cm3 is an alloy of gold and with density of gold and silver respectively 19.3 g/cm3 and 10.5 g/cm3 assume there is no change in volume when pure metals are mixed. The volume of gold is?
  57. Math :)

    Since the purpose of an ice cube is to keep a drink cold, is it better for an ice cube to have a high volume or a low volume? I thought that the higher the volume, the longer the amount of time the ice cube does NOT melt. Which one is best? Thank you. :)
  58. Maths

    Hi! I'm working on a math assignment... My teacher wants me to find rainfall data and then work out the volume of water that would fall on a roof. I've already worked out the roof area but the roof is made up of multiple squares. The teacher would like me
  59. physics

    A power station with an efficiency of 0.35 generates 10^8 W of electric power and dissipates 1.86 ✕ 10^8 W of thermal energy to the cooling water that flows through it. Knowing the specific heat of water in SI units is 4184 J/kg°C, calculate how many
  60. algebra

    a storage bin is shaped like a cylinder with a hemisphere shaped top. the cylinder is 45 inches tall. the volume of the bin is 4131 pi cubic inches. find the radius of the bin. i think [4(pi)r(cubed)]/3=volume of hemisphere and h (pi) r squared volume of
  61. College Chemistry

    Oxygen has a Henry’s law constant of 1.3*10^-3 mol/kg*bar at 25 °C when dissolving in water. If the total pressure of gas ( gas plus water vapor) over water is 1.00 bar, what is the concentration of O2 in the water in grams per milliliter? (The vapor
  62. Chemistry;HELP

    1. A sample of gas under a pressure of 622 kPa has a volume of 233 cm3. The pressure is increased to 988 kPa, while the temperature remains constant. What volume will the gas occupy at this pressure? 2. The pressure exerted by a gas is 2.0 atm while it has
  63. CHEMISTRY!! D:

    1. A sample of gas under a pressure of 622 kPa has a volume of 233 cm3. The pressure is increased to 988 kPa, while the temperature remains constant. What volume will the gas occupy at this pressure? 2. The pressure exerted by a gas is 2.0 atm while it has
  64. 7th g-math

    An ice-cream shop offers a small size cone and a large size cone. The height of the large cone is 2 times the height of the small cone. The radius of the large cone is 2 times the radius of the small cone. Which statement is true about the volumes of the
  65. Chemistry

    I've been stuck on this question for awhile now. I'm having a lot of trouble figuring out how to start it. If you had added exactly 20.00 mL do d.i. water before the titration, calculate the molar concentration of OAc- would have been at the end of the
  66. physics

    After a shipwreck, a solid steel spoon lies at the bottom of the ocean, 5.75km below the surface. What's the water pressure at that depth? Find the fractional volume change in the spoon due to compression forces.
  67. Physics

    After a shipwreck, a solid steel spoon lies at the bottom of the ocean, 5.75km below the surface. What's the water pressure at that depth? Find the fractional volume change in the spoon due to compression forces.
  68. Chemistry

    Consider 57.5 mL of a solution of weak acid HA (Ka = 1.00 10-6), which has a pH of 3.800. What volume of water must be added to make the pH = 6.000? i made a ka for both of them to find out HA and i got .025M for fhte first one and 1E-6M for the second one
  69. Chemistry - Heat of Fusion of Ice

    Conclusion question(s) from a lab we did to find the heat of fusion of ice: Does the value obtained for the molar heat of fusion depend on the volume of water used? Does it depend on the mass of ice melted? Does it depend on the final temperature of the
  70. Math

    Byron’s house has a roof with dimensions shown. (Roof: 1m Height, 7m Hypotenuses, 12m length) He knows that the average rainfall in his suburb is 30cm per year. Byron would like to install a cylindrical rainwater tank to hold the water that runs off the
  71. Math

    Byron’s house has a roof with dimensions shown. (Roof: 1m Height, 7m Hypotenuses, 12m length) He knows that the average rainfall in his suburb is 30cm per year. Byron would like to install a cylindrical rainwater tank to hold the water that runs off the
  72. physics

    Water waves in a shallow dish are 5.0 cm long. At one point, the water moves up and down at a rate of 5.2 oscillations per second. (a) What is the speed of the water waves? (b) What is the period of the water waves?
  73. Physics

    Boyle's Law says that the volume of a gas varies inversely with the pressure. When the volume of a certain gas is 4L , the pressure is 165kPa (kilopascals). What is the volume when the pressure is 60kPa?
  74. Physics

    Boyle's Law says that the volume of a gas varies inversely with the pressure. When the volume of a certain gas is 2 L, the pressure is 1065 kPa (kilopascals). What is the pressure when the volume is 15 L?
  75. Chemistry

    Boyle's Law says that the volume of a gas varies inversely with the pressure. When the volume of a certain gas is 2 L, the pressure is 1065 kPa (kilopascals). What is the pressure when the volume is 15 L ?
  76. Physics

    A car weighing 1000kg is going up an incline with a slope of 2 in 25 at a steady speed of 18kmph.If g=10m/s2, the power of its engine is
  77. PHYSICS

    A 60.0 kg rocket accelerates upward from rest reaching a height of 23.4 m in 3.0 seconds. what is the thrust force produced by the engine?
  78. Algebra

    Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.50 * 10^5 watts cm^2 what is the db?
  79. Internet Basics

    Which of the following tools is best for accessing Web pages and connecting to the Internet? ISP Modem Search Engine Browser
  80. algebra

    Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.42 * 10^5 watts cm^2 what is the db?
  81. Chemistry

    A 25.00mL sample of a household cleaning solution was diluted to 250.0mL in a volumetric flask. A 50.00mL aliquot of this solution required 40.38mL of 0.2506 M HCl to reach a bromocresol green end point. Calculate the weight/volume percentage of NH3 in the
  82. ECONOMICS

    UrGENT, PLS ANSWER MY QUESTION IMMEDIATELY!!! For each pair of commodities,state which do you think is more elastic and give your reasons:perfume and salt; penicillin and icecream; automobiles and automobile tires.
  83. Dynamics

    a 1500 kg automobile is traveling up to 20 degree incline at a speed of 6 m/s. if the driver wishes to stop his car in a distance of 5m, determine the frictional force at pavement which must be supplied by rear wheels
  84. Ethics and Tech

    Computer simulations can: A. accurately predict the weather a month in advance. B. save automobile manufacturers time and money as they develop new cars. C. prove our planet is overpopulated. D. All of the above Im confused between A and D
  85. social studies

    which of the following is an example of a natural hazard of the type and magnitude of those referred to in the article? 1)an automobile accident 2) a rain shower 3)a volcanic eruption 4) a falling tree limb 5)a fire in a restaurant please help meeeee
  86. Dynamics

    1500 kg automobile is traveling up to 20 degree incline at a speed of 6 m/s. if the driver wishes to stop his car in a distance of 5m, determine the frictional force at pavement which must be supplied by rear wheels
  87. Dynamics

    A 1500 kg automobile is traveling up to 20 degree incline at a speed of 6 m/s. If the driver wishes to stop his car in a distance of 5m,determine the frictional force at pavement which must be supplied by rear wheels.
  88. dynamics

    a 1500 kg automobile is traveling up to 20 degree incline at a speed of 6 m/s if the driver wishes to stop his car in a distance of a 5m, determine the frictional force at pavement which must be supplied by rear wheels.
  89. dynamics

    the 1500 kg automobile is travelling up the 20 degree inclined at a speed of 6 m/s , if the driver wishes to stop his car in a distance of 5m , determine the frictional force at the pavement which must be supplied by the rear wheels.
  90. Dynamics

    A 1500 kg automobile is traveling up to 20 degree incline at a speed of 6 m/s. If the driver wishes to stop his car in a distance of 5m,determine the frictional force at pavement which must be supplied by rear wheels.
  91. science --- check my answers!

    help pls asap!!!!! check my answers!!! 4.) A certain object has a volume of 25.0 mL and a mass of 100g. What is the density of the object? a)0.250 g/mL b) 4.00/mL*** c)125 g/mL d) 2500 g/mL 5.)Which of the following is a chemical property of aluminum?
  92. chemistry (continued)

    i kinda understand waht you're saying. to be a bit more clear this is from a lab, and here are the volumes we retrieved: Volume of Concentrated NaOH soultion (mL) = 9.00 mL Concentration of Concentrated NaOH soultuon (M) = 6.00 M Volume of Stock Solution
  93. Chemistry

    Pure water is added to 25.0 mL of a 1.00 M HCL solution. The new solution has a volume of 2.00 L. What is the pH of the new solution.
  94. algebra

    A perfume maker wishes to blend perfume valued at $ 410 an ounce with perfume worth $ 250 an ounce to obtain a mixture of 40 ounce worth $ 300 an ounce. How much of the $ 410 perfume should he use?
  95. physics

    a car of mass 1200 kg starts from rest, accelerates uniformly to a speed 4ms-1 in 2 seconds and continues moving at this constant speed in a horizontal straight line for additional 10s. the brakes are then applied and the car is brought to rest in 4s. a
  96. Physics

    Please help! Any advice is appreciated A water faucet in a house is h=8 m below the water surface in the local water tower. The radius of the orifice in the fully opened faucet is r=0.01 m. We assume non-viscous flow in this problem. a) How long does it
  97. Physics- Fluids

    Please help! Any advice is appreciated A water faucet in a house is h=8 m below the water surface in the local water tower. The radius of the orifice in the fully opened faucet is r=0.01 m. We assume non-viscous flow in this problem. a) How long does it
  98. Science ms sue please help

    True or false during dry weather the water level in a small pond drops because of runoff. I think it's true but I'm not sure And in the water cycle water returns to earth as condensation usually in the form of rain or snow. Is that true? And when water
  99. chemistry

    10g of nacl were added to 10ml of water. the resulting solution was diluted to be a final volume of 250ml. Given the density of the solution is 0.9864g/ml. Calculate the molality of the solution. Who helps
  100. physics

    A 48-N object floats in a pool. If 75% of the volume of the object is immersed in the water, which statement is true about the buoyant force FB on the object? A. FB=48N B. FB=36N C. FB=64N D. FB=12N E. This is not possible to answer with the information