1. Physics

    A 15500 N automobile travels at a speed of 41 km/h northward along a street, and a 7000 N sports car travels at a speed of 65 km/h eastward along an intersecting street. a)If neither driver brakes and the cars collide at the intersection and lock bumpers, what will the ...
  2. math

    Part 1 In your own words, define the word “function.” Give your own example of a function using a set of at least 4 ordered pairs. The domain will be any four integers between 0 and +10. The range will be any four integers between -12 and 5.Explain why your example models ...
  3. Fluid Mechanics

    I am trying to work a problem to find flowrate, and a time to reach equilibrium. It sets up like this: I have a tank with a volume of 400 cubic feet full of compressed air at 50psi. The tank has an 8" schedule 40 carbon steel pipe coming off of it with a valve at the tank. The...
  4. Physics

    Hi, just need a little help with this physics question please. A cylindrical tank of water is located 68m deep in water. An air lock at the bottome of the tank allows access. The sailor must wait while the air pressure in the lock is increased until it equals the water ...
  5. Geology

    1) Granite is an intrusive, felsic rock, which may be produced by partial melting or fractional crystallization. Explain how these processes can produce felsic magmas from more mafic parent magmas 2)The age of granite can be determined using radiometric dating. Expalin the ...
  6. science

    suppose your mom is boiling water near the window where did the mist came from and why was there mist on the window
  7. chemistry

    The following information is given for ether, C2H5OC2H5, at 1atm: boiling point = 34.6 °C Hvap(34.6 °C) = 26.5 kJ/mol specific heat liquid = 2.32 J/g°C At a pressure of 1 atm,__kJ of heat are needed to vaporize a 25.1 g sample of liquid ether at its ...
  8. Physics

    Two geekie physics students with a combined mass of 131 kg jump into their old car to run out for some late night pizza. The distance between the front and back axles of the car is 2.9 m. When they get in the car, the springs compress a total of 9.3 cm. On their way to the ...
  9. physics

    a couple part in a car on moonlit evening. Find that their car is stop in the sand. The women having studied physics, ties a rope to the car's bumper and stretches it around a tree in front of a car. She then pushes with 200 newton force against the horizontal. The cars starts...
  10. physics

    a couple part in a car on moonlit evening. Find that their car is stop in the sand. The women having studied physics, ties a rope to the car's bumper and stretches it around a tree in front of a car. She then pushes with 200 newton force against the horizontal. The cars starts...
  11. pre-algebra

    t takes 1 cup of liquid fertilizer to make 7 1/2 gallons of spray. how much liquid fertilizer is needed to make 80 gallons of spray? Plzzzzzzzz help me its really hard for me
  12. 8th grade math

    I need help solving this problem. y=14-1/32x. Y is the number of gallons fuel in tank, x is the number of miles driven. tank contains 8.5 gallons of fuel. y=8.5 8.5=14-1/32x
  13. math 118

    the gasoline gauge on a van read 1/4 full when 10 gallons were added to the tank, the gauge read 2/3 full how many more gallons are needed to fill the tank?
  14. physics

    Consider Joule's experiment described in the insight below. Assume the mass m = 2.3 kg and the fluid is water with a volume of 1.75 L. What is the increase in the temperature of the water when the mass moves vertically a distance z = 1.55 m?
  15. math- Calc

    a spherical balloon is filled with water. if the water is leaking out at a rate of 2 cm^3/min, find the rate at which the radius is changing when the volume is v=1000cm^3?
  16. physical chemistry

    I need to make a solution of 50% ethanol in water (by mass). The partial molar volume of water is 17.0mL/mol and the partial molar volume of ethanol is 52.0mL/mol. What is the density of this solution/
  17. sports

    3. The legal status of most athletes in professional team sports in North America was for many years governed by the reserve system. The reserve system was designed to (C) A. give players total control over their own careers. B.increase the salaries of the best athletes on a ...
  18. Chem.....

    Methanol, CH3OH, is produced on an industrial scale from carbon monoxide and hydrogen. At the temperatures used, gaseous methanol is formed according to the following thermochemical equation: CO(g)+ 2H2(g) <---> CH3OH(g) H = -90Kj 1. State Le Chateliers principle and ...
  19. American Government

    The Constitution establishes rules that the United States government must observe. There are five main principles that form the basis of these rules and ensure our democratic government. In a minimum of three well-developed paragraphs, list, define, and discuss each of these ...
  20. Physis

    Figure (a) shows a red car and a green car that move toward each other. Figure (b) is a graph of their motion, showing the positions xg0 = 270 m and xr0 = -35 m at time t = 0. The green car has a constant speed of 24 m/s and the red car begins from rest. What is the ...
  21. physics

    Four people, each with a mass of 72.7 kg, are in a car with a mass of 1110 kg. An earthquake strikes. The driver manages to pull of the road and stop, as the vertical oscillations of the ground surface make the car bounce up and down on its suspension springs. When the ...
  22. Geology

    (Fetter p235, 2) A soil sample is collected and taken to the lab. The volume of the sample is 75 cm3. At the natural water content, the sample weighs 168.00 g. It is then saturated with water and reweighed. The saturated weight is 171.25 g. The sample is dried in an oven; the ...
  23. medical terminology

    Seven Organizational Approaches A. Use the matrix below to describe each approach to organizing information about the body. Discuss how each approach can be used. Approach Describe the approach How might the approach be used? Body planes and directions Body cavities Quadrant ...
  24. Physics

    A car of mass 1000kg is travelling along a straight flat road at a constant speed of 30.0ms^-1. It then accelerates with constant acceleration of 3.00ms^-2 for 10.0s, after which it continues to travels at a constant speed. Determine: (a) The final speed of the car (b) The ...
  25. Physics

    An amount of ideal gas is placed in a sealed rigid cylinder. The container is initially placed in boiling water. It is quickly removed and placed in ice-water bath. Draw this thermodynamic process on a PV diagram. If the question change to An amount of ideal gas is in a ...
  26. science

    An object accelerates (changes its speed) only if the forces acting on it in one direction are greater than the forces in the opposite direction, All of the following objects will accelerate EXCEPT? A) a ball striking a wall, in which the force of the ball on the wall is equal...
  27. science

    7) - An object accelerates (changes its speed) only if the forces acting on it in one direction are greater than the forces in the opposite direction, All of the following objects will accelerate EXCEPT? A) a ball striking a wall, in which the force of the ball on the wall is ...
  28. science

    7) - An object accelerates (changes its speed) only if the forces acting on it in one direction are greater than the forces in the opposite direction, All of the following objects will accelerate EXCEPT? A) a ball striking a wall, in which the force of the ball on the wall is ...
  29. Science

    An object accelerates (changes its speed) only if the forces acting on it in one direction are greater than the forces in the opposite direction, All of the following objects will accelerate EXCEPT? A) a ball striking a wall, in which the force of the ball on the wall is equal...
  30. Economics

    6. The chapter uses the analogy of a "leaky bucket" to explain one constraint on the redistribution of income. a. What elements of the U.S. system for redistributing income create the leaks in the bucket? Be specific. I would think it would be “people respond to incentives...
  31. chemistry

    A dynamic equilibrium, Ag2CO3(s) <=> 2Ag+(ag) , CO3 2- (ag), what affect does the addition af HCl have on the system? Does it cause a shift?
  32. Math

    I cant get the metric system. Are there any tips that can help me learn conversions? Make and use flashcards. Measure things with both scales. Thanks!
  33. phy

    Three blocks are suspended at rest by the system of strings and frictionless pulleys shown in the figure below, where W = 29.0 N, and è = 26.6°. What are the weights w1 and w2?
  34. math help please ASAP

    The ______ system uses all of your body’s senses to help maintain homeostasis. Is the answer "control"? Or is it "endocrine"?
  35. math

    Solve using the substitution method. If the system has no solution or an infinite number of solutions, state this. -2x + 0y = -14 x + 11y = 18
  36. economics

    when voluntary exchanges in the markets determine decisions on production and consumption, the society's economic system is a?
  37. 6th grade social studies

    President Ruterford B.Hayes tried to change the spoils system by reforming the ---
  38. CHEMISTRY

    which of the following represent a buffer system? A.) NaOH and NaBr B.) HF and NaF C.) HC2H3O2 and C12H22O11 D.) HCl and KOH
  39. window XP

    Which of the following aspects of the Windows XP architecture prevents a failing application from affecting other applications and the operating system itself?
  40. Physics

    Steam of mass 11.0 g at 100°C is added to 114.8 g of ice at 0.00°C. Find the final temperature of the system.
  41. science

    a ______ is the main unit of measure in the metric system a)millimeter b)kilometer c)centimeter d)meter e) none of the above d
  42. Chemistry

    Please help!! It's due tomorrow morning!!!!! --Why is it necessary to use a mixed aqueous-organic solvent system for the oxidation of cyclohexENE?
  43. Algebra 1

    Graph the system of inequality x+2y <10,2x+y <10,x>0,y>0. Thank you Can you just tell give me the answer and where in the region I should shade it and If it has a solid line or dotted one? Please, I think I will be ok with that. Thank you.
  44. Science

    1. How did Linnaeus's system differ from that of Aristotle? 2. What changes in technology made people beging to realize that there were probably more than two kingdoms?
  45. Biology

    I am doing a project on the lymphatic system. I need ideas as a activity the class can do. I don't want there to be a lot of materials needed. Help?
  46. Science

    "Describe the role of gravity as the force that governs the movement of the solar system and the universe." I don't get it.
  47. science

    The Big Bang Hypothesis explains the possible origin of the a) sun b) Milky Way c) universe d) solar system e) all of the above e
  48. chemistry

    If the temperature of the system PCl5 (g) =PCl3 (s) + Cl2 (g) + 92.5 kj. is increased, predict the direction of th Le Chatelier's shift.
  49. The Digestive System

    Trace the path of food from ingestion to defecation and describe what happen at each stop? Also name enzymes.
  50. physics

    find the total mechanical energy of a mass-spring system with m=1.24 kg and maximum speed 0.670 m/s
  51. principles of health and wellness

    I am trying to figure out what role the immune system plays in preventing breast cancer, is there anyone who can help me?
  52. math

    the sum of two numbers is 60. their difference is 6. construct a system of equations and algebraically find the value of the smaller number.
  53. calculus

    Solve the equation in the real number system X^4+11x^3+24x^2-23x+35=0 Please show work
  54. Society & Environment Engineering

    Gravin communication system is followed in _____________ a) Formal Organisation b)Informal Orgamosation c)Both a & b d)None of this
  55. health

    without this system in the body you would get really sick because toxins and waste would build up. 1. cardiovascular 2. excretory 3.integumentary 4. muscular
  56. math

    How do you write a system of linear equations in two variables? Explain this in words and by using mathematical notation in an equation.
  57. Information Technology

    I'm suppose to do Computer System Scenarios. There are 4 of them to do each asking to come up with IT solutions and I have no idea where to begin can someone point me in the right direction? Thanks
  58. Pre calculus

    olve the system of equations using matrices. Use Gaussian elimination with back-substitution. x + y + z     =      -5 x - y + 3z    =     -1 4x + y + z    =     -2 I need it explained to me, how do I do this?
  59. Le Chatelier's Principle

    If the equation is : Cd2+(aq) + Cl-(aq) ¡ê CdCl+ What would happen when Na+ is added would it shift to the right or will there be no change/effect to the system?
  60. english

    describe how the us justice system effects children who are people of color versus white kids.
  61. Science

    How much effort force is required to life an 11000-N beam using a pulley system with a mechanical advantage of 20?
  62. Physics

    I don't understand this question... What is the change in entropy for a system that has 250 J of heat added to it at 25°C? (Points : 1) 10 J/K 0.84 J/K 0.84 J/K 10 J/K
  63. science

    can anyone tell me how or what process the mouth, small and large intestines and stomach. like what is there role or componets of the digestive system?
  64. science help ASAP please

    The ______ system uses all of your body’s senses to help maintain homeostasis. Is the answer "control"? Or is it "endocrine"?
  65. ALGEBRA

    The perimeter of a rectangle is 18 ft.The length is 1 ft longer than the width. Find the deminsions using a system of linear equations.
  66. Georgia government HELP! ASAP!!

    in 3-5 sentences describe the apportionment system for state legislative districts I cant seem to think of any please help. Ms.Sue
  67. Algebra 2

    Name the vertices and then find the values of x and y that minimize the objective function. x >= 2 y >= 0 3x + 2y >= 12 Minimum for C = x + 5y Help with system of constraints please! I'm terrible at this...
  68. MATH

    solve the system of linear equations using the Gauss- Jordan elimination method x1- x2+ 4x3 = 15 x1+ x2 = X3 = 4 -3X1-X2 + X3 = -2
  69. State history

    7. Describe ways in which the reservation system was beneficial to settlers but harmful to the American Indians.
  70. science

    Which of the following is an example of a physical system? hurricanes Volcanoes Glaciers Plant & Animal Communities ***All of the Above*** is it all of the above? Pls help asap!
  71. Pre-Calc

    Use a graphing device to find all solutions of the system rounded to two decimal places. x-3y=1 y=x^3-5x^2 There are 3 possible answers. Thank you!
  72. Chemistry

    A reaction at 3.24 atm consumes 5.10 L of a gas adiabatically (q = 0). Calculate the change in internal energy of the system (in kJ).
  73. Introduction to computers

    which web browser is natively on a major operating system? a.ie 10 b.opera c.firefox d.chrome
  74. Anthropology

    Ms.Sue, I am having problem with this, can you please assist me? Thank you Describe how each belief system is expressed by a particular culture that practices each concept.
  75. system operations management

    Taylor Inc manufactures widgets A cost benefit matrix that compares the alternatives.
  76. Biology

    Fish have a two chambered heart called a single loop. Discuss the benefits and drawbacks of this system.
  77. Chemistry

    Can you please explain to me how you would regulate the pressure to favor the products in the this equilibrium system. MgCO3(s)--><-- MgO(s)+CO2(g) Thank you
  78. Social studies

    Who held the most power under the system of feudalism? Peasants. Vassals. Lords. (MY ANSWER) Knights.
  79. help with my science test 7th grade connection

    Which of the following is an example of a model. A.the solar system B.a globe C.a planet D.a padlock
  80. Linear Equations

    Solve using the elimination method. If the system has no solution or an infinite number of solutions, state this. -2x - 8y = 22 -6x - y = 20
  81. BUISNESS AND TECHNOLOGY

    What advantages might a socialist system have when responding to the needs of the poor in an emergency situation as it was after Hurricane Katrina?
  82. Chemical Engineering

    What are the ways to split a mixture of benzene and methanol into its component using a 2 phase system separation ? Thank you
  83. physics

    Two equal masses m are place at positions r©û= (L, 2L, 3L) and r©ü= (3L, L ,2L). Calculate the moments of inertia Ix, Iy, Iz of the system with respect to the x, y, and z axes.
  84. MACROECONOMICS

    compare and contrast the Islamic perspective on consumption, investment and savings to conventional economic system?
  85. Anatomy

    The gland that helps regulate the endocrine system by secreting stimulating hormones is the____. Thanks for helping!
  86. physics

    Three blocks are suspended at rest by the system of strings and frictionless pulleys shown in the figure below, where W = 29.0 . What are the weights w1 and w2?
  87. socialstudies

    In 3–5 sentences, describe the apportionment system for state legislative districts. can someone explain to me the best way of answering this question?
  88. pre algebra

    solve the following system graphically. Check your solution. 3x+y=9 -2y=x-8 I know im supposed to put it in y=mx+b form but i don't know how to.
  89. PLEASE HELP D:

    Should other states wait to see if the high-speed rail system works well before starting their own plans for similar systems?
  90. Chemistry

    Can you please explain to me how you would regulate the pressure to favor the products in the this equilibrium system. MgCO3(s)--><-- MgO(s)+CO2(g) Thank you
  91. Social Studies

    How can the World-System theory be applied to the events in Timor Leste since August 1999?
  92. Physics

    Find the potential energy of a system often point charges. 7nC and 2nC separated by 0.03m
  93. history

    Which system of Spanish government did haciendas replace? A. the encomienda B. popular sovereignty C. socialism D. coalitions
  94. Circuits2

    what value of resistance should be placed.in parallel with 50microfarad capacitor in order to have a total power factor of 0.8 on a 6p-cycle ac system?
  95. Social Studies

    Can sombebody explain what C.E. B.C.E A.D. B.C. I know the definition for each term but I just don't get the system. It would be helpful if explanation is much clearer.
  96. Algebra

    I just wanted to verify the answer I came up with. Solve by the substitution method. 5x+2y=-31 x=-3-2y What is the solution of the system? y=2 x=-7 The ordered pair would be (-7,2)
  97. Precalculus with applications

    Determine whether the system of inequalities is infeasible, has alternate optimal solutions, or is unbounded for the function f(x,y)=2x+y
  98. Math (Alg 2)

    The following expression represents the value of which variable in the solution of the system of equations below? |2 -1 1| |1 2 6| |3 -1 2| ___________ |2 -1 -2| |1 2 3| |3 -1 -1| 2X-Y+Z=-2 X+2Y+6Z=3 3X-Y+2Z=-1 A. Z B. Y C. X D. NONE OF THE VARIABLES ARE REPRESENTED
  99. math

    Name the point of intersection for the following system, if it exists. Your answer will be an ordered pair, no solution, or infinitely many solutions. 4x-3y=-3 3x-y=-6
  100. Physics

    How much effort force is required to life an 11000-N beam using a pulley system with a mechanical advantage of 20?
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