1. math

    a boat can travel 171 miles on 19 gallons of gasoline how far can it travel on 11 gallons
  2. physics

    The engine of a toy rocket supplies an average acceleration of 38.0 m/s/s to the rocket for an interval of 0.80 s. A.)If the toy roocket is launched vertically, how high does it rise in this interval? B.) How fast is the rocket moving at the end of 0.80 s? C.) What altitude ...
  3. Physics

    A rocket whish is in deep space and initially at rest relative to an inertial reference frame, has a mass of 2.55 X 10^5 kg of which 1.81 X10^5 kg is fuel. The rocket engine is then fired for 250 s during which feul is consumed at the rate of 480 kg/s. The speed of the exhaust...
  4. thermal physics

    An automobile tire has a volume of 1.60 x 10-2 m3 and contains air at a gauge pressure (pressure above atmospheric pressure) of 167 kPa when the temperature is 0.00°C. What is the gauge pressure (in kPa) of the air in the tires when its temperature rises to 27.0°C and its ...
  5. Physics

    A pendulum consists of a 2.6 kg stone swinging on a 4.5 m string of negligible mass. The stone has a speed of 7.9 m/s when it passes its lowest point. (a) What is the speed when the string is at 53 ¢ª to the vertical? (b) What is the greatest angle with the vertical that the...
  6. Physics

    A pendulum consists of a 2.1 kg stone swinging on a 3.6 m string of negligible mass. The stone has a speed of 7.9 m/s when it passes its lowest point. (a) What is the speed when the string is at 60° to the vertical? (b) What is the greatest angle with the vertical that the ...
  7. Feedback Control

    The goal of this project is to model the longitudinal motion of a Segway and design a PID controller for it. The model must include the dynamics of the inverted pendulum on two wheels, as shown on Figure 1 (left), and the model of the DC motors (same as ) that actuate the ...
  8. Chemistry 1110

    If 3 L of hydrogen and 1.5 L of oxygen at STP react to yield water how many moles of water are formed? What gas volume does the water have at a temperature of 100degrees C and 1 atm pressure?
  9. Health Care

    I cannot figure out the GAAP and the relevance of each GAAP that is being used to create the financial plan for Patton-Fuller Hospital. I did complete the following budget projections necessary to help answer the question Patton-Fuller Community Hospital Statement of Revenue ...
  10. math

    A fish tank is 50 cm long, 34 cm wide and 24 cm high. It contains water to depth of 18 cm. Four identical spheres are placed in the tank and are fully submerged. The water level rises by 4.5 cm. 1.What is the volume before the spheres were added? 2. What is the volume of each ...
  11. Economics

    The marginal tax rate is defined as the extra taxes paid on additional income divided by the increase in income. Calculate the marginal tax rate for the proportional tax system as income rises from $50,000 to $100,000. Calculate the marginal tax rate as income rises from $100,...
  12. Physics

    A CAR HAS A MASS OF 1200KG TRAVELLING ON A LEVEL ROAD. THE CAR DECELERATED AT A RATE OF 10M/S^2 TILL THE CAR STOPPED. iT HAS TO OVERCOME A TOTAL RESISTANCE OF 400N WHILE BRAKING. (I) CALCULATE THE BRAKING FORCE OF THE CAR (II) WHAT WAS THE DRIVING OF CAR OF THE CAR?
  13. Physics

    A rod made from a particular alloy is heated from 23.5°C to the boiling point of water. Its length increases by 8.21 10-4 m. The rod is then cooled from 23.5°C to the freezing point of water. By how much does the rod shrink? I will be happy to critique your work. use a ...
  14. Science

    1-Which of the following is not a function of the circulatory system? D-fights infection 2-Which of the following explains why the heart is organized so that it pumps blood to two different locations? D-to provide a way for blood to pick up nutrients at one location and oxygen...
  15. english

    Which of the following sentences is written correctly? a. When properly designed, an automobile can achieve great fuel efficiency. b. When properly designed an automobile can achieve great fuel efficiency. c. When properly designed, great fuel efficiency can be achieved by an ...
  16. Reading

    2. Which of the following sentences is written correctly? A When properly designed, an automobile can achieve great fuel efficiency. B. When properly designed an automobile can achieve great fuel efficiency. C. When properly designed, great fuel efficiency can be achieved by ...
  17. math

    At a used car dealership, the first determinant in the price of the car is the model, followed by the mileage and the age of the car. Which of the following is the dependent variable? A. price B. model C. mileage D. age I think its A because price depends on age, mileage, and ...
  18. Physics

    A compact car of mass 915 kg has an overall motor efficiency of 16.0%. (a) If burning one gallon of gasoline supplies 1.34 108 J of energy, find the amount of gasoline used in accelerating the car from rest to 55.0 mi/h. Here you may ignore the effects of air resistance and ...
  19. Physics

    At a distance of 30 m the noise from the engine of an jet has an intensity of 130 dB. At this level, you will be in pain and your ears will hurt. That's why this intensity is know as the "pain threshold". How far do you have to be from a jet (total distance), in order for the ...
  20. Math

    Need help on writing a system of equations. I can figure it out without the systems but now sure how to write a systems of equations not knowing how many the box can hold. Dark chocolates cost $0.25 each and milk chocolates cost $0.15 each. Tom wants twice as many dark as milk...
  21. chemistry

    New York citys 7.9 million people have a daily per capita consumption of 173 gallons of water. how many tons of sodium flouride would be requred per year to give this watr 1 part flourine per million parts water?
  22. College Physics

    How long does it take an automobile traveling in the left lane of a highway at 60.0 km/h to overtake (become even with) another car that is traveling in the right lane at 20.0 km/h when the cars' front bumpers are initially 75 m apart?
  23. College Physics

    How long does it take an automobile traveling in the left lane of a highway at 60.0 km/h to overtake (become even with) another car that is traveling in the right lane at 20.0 km/h when the cars' front bumpers are initially 75 m apart?
  24. Science

    At t = 0, an automobile traveling north begins to make a turn. It follows one-quarter of the arc of a circle of radius 10.4 m until, at t = 1.66 s, it is traveling east. The car does not alter its speed during the turn.
  25. Math

    How long does it take an automobile traveling in the left lane of a highway at 70.0 km/h to overtake (become even with) another car that is traveling in the right lane at 20.0 km/h when the cars' front bumpers are initially 110 m apart? s
  26. Physics

    At t = 0, an automobile traveling north begins to make a turn. It follows one-quarter of the arc of a circle of radius 11.0 m until, at t = 1.86 s, it is traveling east. The car does not alter its speed during the turn.
  27. physics

    At t = 0, an automobile traveling north begins to make a turn. It follows one-quarter of the arc of a circle of radius 9.1 m until, at t = 1.84 s, it is traveling east. The car does not alter its speed during the turn.
  28. Chemistry

    Two solid objects, A and B, are placed in boiling water and allowed to come to temperature there. Each is then lifted out and placed in separate beakers containing 1000 g water at 10.0 degrees Celsius. Object A increases the water temperature by 3.50 degrees Celsius; B ...
  29. AP Chemistry

    Two solid objects, A and B, are placed in boiling water and allowed to come to temperature there. Each is then lifted out and placed in separate beakers containing 1000 g water at 10.0 degrees Celsius. Object A increases the water temperature by 3.50 degrees Celsius; B ...
  30. Chemistry

    Iodine is mainly found in water in the trioxide ion, I3 which is formed by the combination of molecular iodine, I2 and Iodide, I-, according to the equation: I2(aq) +I-(aq) <----> I3(aq) QUESTION: how does the system in the equilibrium seem to respond to the changes ...
  31. chemistry

    The total pressure in a 11.3 L automobile tire is 44 psi at 11°C. By how much does the pressure in the tire rise if it warms to a temperature of 29°C and the volume remains at 11.3 L?
  32. statistics

    The U.S. Department of Agriculture claims that the mean consumption of coffee by the person in the United States is 24.2 gallons per year. A random sample of 120 people in the United States shows that the mean coffee consumption is 23.5 gallons per year with a standard ...
  33. Chem 2

    A 100-mL sample of water is titrated with EDTA solutions in problem 2. The same amount of Mg2+ is added as previously, and the volume of EDTA required is 31.84mL. What volume of EDTA is used in titrating the Ca2+ in hard water? Previous answers are: Moles of Ca2+ : 0.005113 ...
  34. physics

    An advertisement claims that a particular automobile can "stop on a dime". What net force would actually be necessary to stop an automobile of mass 850kg traveling initially at a speed of 56.0km/h in a distance equal to the diameter of a dime, which is 1.8cm ?
  35. Physics

    An advertisement claims that a particular automobile can "stop on a dime". What net force would actually be necessary to stop an automobile of mass 850kg traveling initially at a speed of 38.0km/h in a distance equal to the diameter of a dime, which is 1.8cm ?
  36. physics

    For specific heat and measuring 5 mL of air within a syringe and comparing while submerging in boiling water and ice water and extrapolating back, is your measurement of absolute zero close to the actual value (-273 °C)? How might you change the experiment to get closer to ...
  37. Calculus AB

    Water pours at a constant rate into a conical tank of height 10 feet and radius 4 feet. Let V, h and r be the volume, height, and radius if the water in the tank at a particular time t. Express the volume of the water in the tank at any time t as a function of h only.
  38. Physics

    When working with the properties of Saturated Steam. The pressure table supplied states: Pressure kPa = 1100 (P) Temp in Celsius = 184.09 (T) Specific Volume = Sat. Liquid = 1.1330 (Vf) Specific Volume = Sat.Vapor = 177.53 (Vg) Enthalpy = Saturated Liquid = 781.34 (Hf) ...
  39. physics

    if a rocket engine delivers a constant thrust, does it deliver more power as the rocket speeds up force = mass*(acceleration) if the rocket accelerates, the force will increase wow,uh constant thrust means it is delivering constant power. the kenetic potential of the rocket ...
  40. Geography

    Hey there! I need some cool Australian Search engines. Could anyone post some? Thanks! I went to Google and searched for Australia search engine. This is the first site. http://www.google.com.au/
  41. math

    the scale used to make a model of a car is 1:18. the length of the model is 91/2 inches. how many feet long is the actual car.
  42. math

    Luke build a model train to a scale of 1:25.calculate a copy of the table below using his scale. length of engine on the real x and on the model is 16cm. length of train on the real 20m and x on the model. height of train is x and 12cm on the model.
  43. 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 by acutally dividing ...
  44. Math

    water flows over a dam at a rate of 500 gallons per minute write a function rule relating the amount of water a that flow over the dam to the number of minutes m that have passed what are the initial value and rate of change
  45. Language of HealthCare

    Complete the following matrix. For each body system, identify which body approach(es) might best be used to organize information. Choose only from the following approaches: microscopic-to-macroscopic, body directions and planes, body cavities, and quadrants and regions. ...
  46. physics

    Note: The direction of the acceleration ~a of the system is given in the figure. Three masses (17 kg, 21 kg and 67 kg) are connected by strings. The 67 kg mass slides on a horizontal surface of a table top and the 17 kg and 21 kg masses hang over the edge of the surface. The ...
  47. Chemistry

    you are a public health officer in the water treatment facility for a city of 50,000 people . A concentration of 1.0 ppm of fluoride in the drinking water is sufficient for the purpose of helping to prevent tooth decay. The compund normally chosen for fluoridation is the same ...
  48. Maths

    A water tap fills at the rate of 25 litre per minute into a water tank another water tap can fill water in the same tank at the rate of 15 litres per minute if both the water taps are opened then the water tank is filled in 15 minutes find the volume of the water tank
  49. Criminal Law

    Summarize all of the steps between arrest, pre-trial, trial, and appeals (both state and federal appeal possibilities). Explain the contingencies for each stage of the proceedings and address all possible outcomes. Analyze how constitutional protections for the defendant work ...
  50. Science

    A piece of unknown metal with a mass of 68.6 grams is heated to an initial temperature of 100 Celsius and dropped into 42 grams of water with an initial temperature of 20 Celsius in a calorimeter the final temperature of the system is 52.1 Celsius the specific heat of the ...
  51. Chemistry

    hmmm...I just can't seem to get it. It looks like I got it right up to the volume of the metal point. Don't I have to divide the mass of the metal by the density of the water given before? (0.9970)? I guess I am having a problem with this which results in the wrong answer for ...
  52. physics

    Assuming biological substances are 90% water and the density of water is 1000 kg/meter cubed, estimate the mass of a fly, which can be approximated by a cylinder 4 mm long and 2 mm in diameter (volume (length*pi*radius squared) the answer is 1.131 X10 to the negative 5th power...
  53. Chemistry

    A student must make 500 mL of a 1.5 M HCl solution. The student has plenty of water and a stock solution of 6.0 M HCl to use. What volume of the 6.0 M HCl solution must be added to what volume of water to make the desired 500 mL of 1.5 M solution? I don't really know how to ...
  54. Chemical Engineering

    A small family home in Tucson, Arizona, has a rooftop area of 1967 square feet, and it is possible to capture rain falling on about 56% of the roof. A typical annual rainfall is about 14 inches. If the family wanted to install a tank to capture the rain for an entire year, ...
  55. Pre Algebra

    A pot water at a temperature of 25°C is placed on a hot burner. The temperature increases at a rate of 15° per minute until it boils at 100° C. The water continues boiling at this temperature. What is the slope of the graph after the temperature reaches 100° C?
  56. Science: Physics

    We use an electric immersion heater to heat 2,0 liters water having temperature of 20C to the boiling point. Specific heat capacity of water is 4,19 kJ/(kg c). The power of the heater is 1,50 kW and efficiency of heating is 80 %. How much time does the heating take?
  57. Calculus with Diffrential Equations: Pleease help?

    Suppose that represents the temperature of a cup of coffee set out in a room, where T is expressed in degrees Fahrenheit and t in minutes. A physical principle known as Newton’s Law of Cooling tells us that dT/dt = -1/15T+5 15T + 5. a) Supposes that T(0) = 105. What does the...
  58. PHYSICAL SCIENCE

    BY HOW MANY DEGREES OF CELSIUS WOULD THE TEMPERATURE OF 100 GALLONS OF WATER INCREASE IF 300 CALORIES WERE ADDED TO IT?
  59. Chemistry

    How many gallons of water would it take to fill a 50m by 25 m by 1.5m pool? (1 Liter is 0.001m^3 and 1 gallon is 3.786 Liters)
  60. chemistry

    A saturated solution of NaCl (dissolved in water) has a concentration of 4.01 M at a given temperature. The solution has a volume of 1 L (1000 mL). If the water were to evaporate until the volume of the solution is 500 mL (and then stirred), what would the concentration of the...
  61. Chemistry (Check)

    Chlorine gas, Cl2, is widely used to purify municipal water supplies and treat swimming pool waters. If it occupies 23.5 cm^3 at STP, what volume will it occupy at -270. degrees C and a pressure of 1520 Torr? Vf = 1.29 x 10^-4
  62. Physics

    At a time when mining asteroids has become feasible, astronauts have connected a line between their 3400 kg space tug and a 6000 kg asteroid. Using their ship's engine, they pull on the asteroid with a force of 490 N. Initially the tug and the asteroid are at rest, 420 m apart...
  63. Chemistry

    Hi there. I'm doing a paper on Biology (yes I know, will explain the chem link in a sec) and in it am trying to find the best pH level for Slaters, using limewater and filtered water to change concentrations. I have done experiments and using bunch of ratios (eg 2 parts ...
  64. Chem

    A cylinder in your car holds 0.45 liters maximum at 760 Torr. When the cylinder is closed to 0.1 liters what is the pressure?
  65. Physics help

    A blacksmith at a historical reenactment is making an iron hinge. after placing the iron (0.750 kg) in the fire and shaping it with his hammer it is still at 200 C. he puts the iron piece in an 8 L bucket of water at 25 C. what is the final temp. of the iron (assume it is in ...
  66. Check my answers SS

    Which of the following state program areas consumes the largest part of the executive budget? (1 point) human services education *** natural resources transportation 2. Which state department is responsible for mental health-related issues and welfare? (1 point) human services...
  67. algebra

    How do you do this in your calculator? tan 79=x/150 x= 140 tan 79 Calculators are differnt. Here is my 70 tan x (times key) 150 = And here is a way to let Google do it. Type in the Google search engine 150 tan 79degrees press search thanks
  68. chemistry

    A piece of a newly synthesized material of mass 25.0 g at 80.0 ◦ C is placed in a calorimeter containing 100.0 g of water at 20.0 ◦ C. If the final temperature of the system is 24.0 ◦ C, what is the specific heat capacity of this material?
  69. College Algebra

    A 50 gallon barrel plumb full of water springs a leak in the bottom and leaks at a constant rate of two gallons per minute. Write an equation that relates the amount of water left in the barrel, y in terms of how many minutes have passed since the leak began, x.
  70. Physics

    A 4kg wooden block is placed on a wooden table, so the coeficent of friction would be 0.2. There is a string connected to both sides of the wooden block with a pulley system at the end of the table to go off and then each string has a different weight attached to it. On the ...
  71. physics

    How large a pressure increase (in ATM) must be applied to water if it is to be compressed in volume by 1%? The bulk modulus of water is 2 ~ 10^9 N/m^2 and 1 ATM = 10^5 N/m^2 I think that it is P = bulk modulus * 0.01 because 1/100 = 0.01, which is 1% of a volume. B = ƒ¢P...
  72. chemistry

    The volume of a sample of a gas collected over water at 32 Celsius and 752 torr is 627 ml. What will the volume of the gas be when dried and measured at STP? (Vapor pressure of water at 32 Celsius = 35.7 torr)
  73. Chemistry

    The volume of a sample of a gas collected over water at 32 Celsius and 752 torr is 627 ml. What will the volume of the gas be when dried and measured at STP? (Vapor pressure of water at 32 Celsius = 35.7 torr)
  74. math

    A car dealer will sell you a used car for $7,742 with $742 down and payments of $309.93 per month for 24 months. What is the APR?
  75. Science (Energy)

    Ok i have done 2 experiments (See below) the question i need help with is i need to explain the difference for the two combustions and i just don't know, please help me and thankyou for your help. The Combustion Of Marshmallows Aim To investigate how much energy is transferred...
  76. calculus

    three bowls are filled to a depth of four units. a paraboloid, z=x^2 +y^2 for 0<z<4, a cone z=(x^2 + y^2)^(1/2) for 0<z<4, and a hyperboloid z=(1+x^2+y^2)^(1/2) for 1<z<5. which bowl holds more water?
  77. physics

    An automobile tire has a volume of 1.60 x 10-2 m3 and contains air at a gauge pressure (pressure above atmospheric pressure) of 167 kPa when the temperature is 0.00°C. What is the gauge pressure (in kPa) of the air in the tires when its temperature rises to 27.0°C and its ...
  78. math

    For the car loan described, give the following information. A newspaper advertisement offers a $4,500 used car for nothing down and 36 easy monthly payments of $157.62. (a) amount to be paid
  79. math

    Jerome will be buying a used car for ​$9 comma 0009,000 in 22 years. How much money should he ask his parents for now so​ that, if he invests it at 99​% compounded continuouslycontinuously​, he will have enough to buy the​ car?
  80. Algebra

    b)The water line is given by the equation y=-2/3x-12 Suppose you want to put a pink flamingo lawn ornament in your backyard, but you want to avoid placing it directly over the water line, in case you need to excavate the line for repairs in the future. Could you place it at ...
  81. Calculus

    Consider a hemispherical bowl with a radius of 12 cm. The bowl contains water to a depth of 9 cm. The density of the water at any point x cm below the surface of the water is given by 2e^(0.15x) g/cm^3. A. Find the volume of the water in the bowl. B. Find the mass of the water...
  82. Differential equations in Calculus...plsssss help?

    Suppose that represents the temperature of a cup of coffee set out in a room, where T is expressed in degrees Fahrenheit and t in minutes. A physical principle known as Newton’s Law of Cooling tells us that dT/dt = -1/15T+5 15T + 5. a) Supposes that T(0) = 105. What does the...
  83. English

    Posted by rfvv on Friday, October 21, 2016 at 9:54pm. ======================================= Does #1 mean #2 and #3? •English - Writeacher, Friday, October 21, 2016 at 10:36pm 2 and 3 are identical, aren't they? 1. It's usually very windy and foggy. 2. It's usually very ...
  84. Physics

    At a time when mining asteroids has become feasible, astronauts have connected a line between their 3760-kg space tug and a 6100-kg asteroid. Using their ship's engine, they pull on the asteroid with a force of 490 N. Initially the tug and the asteroid are at rest, 490 m apart...
  85. Physics

    At a time when mining asteroids has become feasible, astronauts have connected a line between their 3760-kg space tug and a 6100-kg asteroid. Using their ship's engine, they pull on the asteroid with a force of 490 N. Initially the tug and the asteroid are at rest, 490 m apart...
  86. science

    I have to correct the Internal diameter of 2 half round cast piece of aluminuim against the actual mandrel. Because after casting the pieces are open when cooling.i will use chain block to correct or tie the cast piece with the Mandrel. could you please help me to find out ...
  87. American government

    Which of the following is an advantage of a presidential government? A.The president is elected independently of the B.The president is part of the legislative branch of government. C.A system of checks and balances increases legislative power. D.A system of checks and ...
  88. Check please science

    Cells are to tissues as organs are to 1 ORGAN SYSTEM 2 CELLS 3 GENES 4 ORGANELLES IS THE ANSWER 1 ORGAN SYSTEM Which of statements about cells is not true? 1. One or more cells make up all living organisms 2 cells carry on the basic life functions of living organisms 3 cells ...
  89. CHEM

    A 60.0 sample of water is heated to its boiling point. How much heat (in ) is required to vaporize it? (Assume a density of 1.00 .)
  90. computer science

    What type of solution is formed when steam from boiling water evaporates into the air?Explain.
  91. General Chemistry

    How much heat is absorbed by a 25.0-g sample of gold at 25.0 degrees celcius when it is immersed in boiling water?
  92. 5th grade

    Explain the type of solution formed when steam from boiling water evaporates into the air
  93. Chemistry

    What is the boiling point of a solution made using 731g of sucrose, C12H22O11, in 0.250kg of water,h2o ?
  94. physics

    When boiling water begins to turn to steam, which of the following remains the same in both the liquid and the vapor?
  95. physics

    When boiling water begins to turn to steam, which of the following remains the same in both the liquid and the vapor?
  96. AP Chemistry

    Find mass of liquid water required to absorb 3.94 X e4 of heat energy on boiling. Answer in units of g
  97. physics

    Figure 18-23 shows three linear temperature scales, with the freezing and boiling points of water indicated.
  98. engineering

    how many btu's does it take to raise one pound of water at 32 degrees f to the boiling point at 14.7 psia and then to steam?
  99. chemistry

    how many kilojoules of energy are required to bring 800.0g water from 20.0c to the boiling point. not sure what formula is? 4.184j
  100. Science

    Calculate the amount of heat required to completely convert 1kg of water at 0°C to the boiling point at 100°C?
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