Would you use a physical model or a conceptual model to describe the following: a gold coin, dollar bill, car engine, air pollution, virus, spread of sexually transmitted disease?

19,073 results
  1. Science!

    Ernest Rutherford's atomic model included a nucleus comprised of positive particles called protons. Later, James Chadwick discovered neutrons. How did Chadwick's discovery change the atomic model? A. The new model showed a negatively charged nucleus. B.

  2. science help

    What would happen to the current model of the atom if new information about its structure is discovered in the future? A. The current atomic model would be revised. B. The current atomic model would be strengthened. C. The current atomic model would be

  3. Environmental Science

    #52. In two or three well-developed paragraphs, list and describe the importance of the four steps in a simple environmental decision-making model. my answer: A decision-making model is a conceptual model that provides a systematic process for making

  4. physics

    Give two examples of ways that physicists model the physical world. I was wondering if this would be an effective answer for "give two examples of ways that physicists model the physical world." 1. Physicists build computer simulations. 2. They build

  5. Statistics

    A manufacturer makes two models of an item: model I, which accounts for 80% of unit sales, and model II, which accounts for 20% of unit sales. Because of defects, the manufacturer has to replace (or exchange) 10% of its model I and 18% of its model II. If

  6. finite math

    Kane Manufacturing has a division that produces two models of hibachis, model A and model B. To produce each model-A hibachi requires 3 lb of cast iron and 6 min of labor. To produce each model-B hibachi requires 4 lb of cast iron and 3 min of labor. The

  7. science

    Rutherford used his gold foil experiment as evidence for a new atomic model. He suggested that the atom contained a small positively charged nulceus surrounded by a large void filled with only a few electrons orbiting the nucleus. What other experiment or

  8. Algebra

    Myra uses an inverse variation function to model the data for the ordered pairs below. (2, 30), (3, 20), (4, 15), (5, 12), (6, 10) Which statement best explains whether an inverse variation function is the best model for the data? An inverse function is

  9. Chemistry

    What limitations might an atomic model have in properly illustrating the structure of an atom? An atomic model cannot be used to represent the relative number of each subatomic particle within a specific atom. An atomic model helps with calculations to

  10. Chemistry

    which atomic model best explains the helium atom? A. Bohr's Model B. Dalton's Model c. Quantum mechanical model D. Thompson Model Not really sure what this question is asking.

  11. Math

    Lucia and Stephen each drew a quick picture to model 2.04. Whose model is correct? Explain the error. □□:: □□|||| Lucia Stephen Lucia's model is correct because it has dots that is showing hundredths place. Stephen's model has lines that are bigger

  12. Science

    A hurricane becomes more powerful be evaporating water from? lakes mountains oceans*** rivers 1. Over time, scientists have changed their model of our solar system. It has transitioned from A) a sun-centered to an moon-centered model. B) a sun-centered to

  13. science

    A major motor company displays a die-cast model of its first automobile, made from 9.35kg of iron. To celebrate its one-hundreth year in business, a worker will recast the model in gold from the original dies. What mass of gold is needed to make the new

  14. Algebra 1

    An architectural firm makes a model of a science center they are building. The ratio of the model to the actual size is 1 in.:85 ft. Estimate the height of the building if the model is 1.5 inches tall.

  15. Mathematics

    James planted a garden. He told his friends that he planted tomatoes in 1/3 of 3/4 of the garden. Which area model represents the part of the garden that contains tomatoes? A: Model shows 1/7* B: Model shows 2/10 C: Model shows 3/10 D: Model shows 0/9 * Is

  16. business math

    National Business Machines manufactures x model A portable printers and y model B portable printers. Each model A costs $100 to make, and each model B costs $150. The profits are $40 for each model A and $35 for each model B portable printer. If the total

  17. physics

    In Rutherford's famous scattering experiments that led to the planetary model of the atom, alpha particles (having charges of +2e and masses of 6.64 10-27 kg) were fired toward a gold nucleus with charge +79e. An alpha particle, initially very far from the

  18. Science

    What are the advantages and disadvantages of Mathematical model - disadvantage: it often cannot account for all possible factors Advantage to a mathematical model is it can be applied to categories of any size and can predict complex events Physical Model

  19. science

    Consider the scenario. Scientists have developed a computer program that can be used to predict when volcanoes will erupt. What type of scientific model is this? mathematical model conceptual model practical model physical model I think it is conceptual

  20. chemistry

    Would you use a physical model or a conceptual model to describe the following: a gold coin, dollar bill, car engine, air pollution, virus, spread of sexually transmitted disease?

  21. math

    11. Create a scale for your model thermometer. Divide the distance between the two marks into 5-mm intervals. Starting with the lowest point, label the intervals on the straw 0, 1, 2, 3, and so on. Describe your scale below. 12. Measure the temperature of

  22. statistics

    The table shows the number of manatee deaths caused by watercraft in Florida each year beginning in 1980. The years are coded that 1980 is 1, 1981 is 2, and so on. Use the table to find the best model and the r^2 value. Year: 1; 2; 3; 4; 5; 6; 7; 8; 9; 10

  23. marketing

    Alex is developing the marketing strategy for a brand of men's clothing. Before he develops his strategy, Alex will conduct research to better understand his customers. Briefly describe a conceptual model that includes the factors he should consider in his

  24. Math

    The wingspan of a Boeing 747-400 is 64.4 metres. a. If a scale model is built to the scale 1:20, what would the wingspan of the model be in centimetres? b. If the wingspan of another model is 53 cm, find the scale of the model in the form 1:x.

  25. math

    Polynomials: When you you try to convert a factored form to the standard from, I have to use the area model to help me solve it... but how you I know which values on on the top of the area model, and the side of the area model.

  26. Math

    Mrs. Roberts plans to purchase a microscope for a present as a Christmas gift. The A model magnifies to a maximum of 5 x10 2 power , while the b model magnifies to a maximum of 3x10 3 power times. Which of the following statements is true? 1. The b model

  27. Algebra

    Company produces three models of speakers. models A,B,and C and can deliver them by truck, van and car. Truck holds 2 boxes of model A, 2 of model B and 3 of model C. Van holds 3 boxes of model A, 4 boxes of model B, and 2 boxes of model C The car holds 3

  28. math

    The next model of a sports car will cost 4.4% more than the current model. The current model costs $36,000. How much will the price increase in dollars? What will be the price of the next model?

  29. math

    The scale model of a building is 5.4 feet tall. A)If the original building is 810 meters tall, what was the scale used to make the model? B)If the model is made out of tiny bricks each measuring 0.4 inch in height, how many bricks tall is the model? THANK

  30. Science

    Consider the scenario. Scientists have developed a computer program that can be used to predict when volcanoes will erupt. What type of scientific model is this? 1) Physical model 2) Mathematical model 3) Practical model 4) Conceptual model I believe that

  31. statistics

    I'm trying to work through the proof for SST = SSM + SSE MEAN = ∑(X)/N SST = ∑((x - MEAN)^2) = ∑(x^2 - 2 * x1 * MEAN + MEAN^2) = ∑(x^2) - 2 * MEAN * ∑(x) + N * MEAN^2 = ∑(x^2) - 2 * ∑(x)^2/N + ∑(x)^2/N = ∑(x^2) - ∑(x)^2/N SSM =

  32. math

    Toby is making a scale model of the battlefield at Fredericksburg. The area he wants to model measures about 11 mi by 7.5mi. He plans to put the model on a 3.25 ft by 3.25ft square table. On each side of the model he wants to leave at least 3 inches

  33. Statistics

    A manufacturer makes two models of an item: model I, which accounts for 80% of unit sales, and model II which accounts for 20% of unit sales. Because of defects, the manufacturer has to replace (or exchange) 10% of its model I and 18% of model II. If a

  34. chemistry

    1) what flaws exsit in Dalton's model of the atom? 2) what flaws exist in Thompson's plum pudding model of the atom? 3) what flaws exist in Rutherford's model of the atom? 4) what flaws in Bohr's model of the atom? 5) do any flaws exist in the modern

  35. I NEED HELP WITH THIS. PLZ

    Lesson 2:3-D Views Unit 2: Measurement Multiple Choice For questions 1-3, use the following model. 1. How many cubes are in the base of the model? (1 point) A. 3 B. 4 C. 7 D. 2 2.How many cubes would be shown in the right view of the model? (1 point) A. 3

  36. physics

    In Rutherford's famous scattering experiments that led to the planetary model of the atom, alpha particles (having charges of +2e and masses of 6.64 × 10−27 kg) were fired toward a gold nucleus with charge +79e. An alpha particle, initially very far

  37. Math

    The depth of the first model of a mobile phone measure 7/20 of an inch. The second model is 6/7 Was the depth of the first model. The third model measured 27/35 of the size of the first model. The fourth model was 4/5 the size of the first model. What is

  38. algebra II,math

    this is another from a different section can you show me how to solve it. An electronics company produces three models of stereo speakers, models A, B, and C, and can deliver them by truck, van, or station wagon. A truck holds 2 boxes of model A, 2 of

  39. math

    Uncle Toby is making a scale model of the battlefield at Fredericksburg. The area he wants to model measures about 11 mi by 7.5 mi. He plans to put the model on a 3.25 ft by 3.25 square table. On each side of the model he wants to leave at least 3 inches

  40. math

    Toby is making a scale model of the battlefield at Fredericksburg. The area he wants to model measures about 11 mi by 7.5mi. He plans to put the model on a 3.25 ft by 3.25ft square table. On each side of the model he wants to leave at least 3 inches

  41. math

    change both measurements to the same unit of measure,and find the scale factor. 1. 4in. model of a 6ft.cabinet 2. 4cm. model of a 2m. door. 3. 12ft. model of a 100yd. playground 4. 20m. model of a 3km. street.

  42. Math!

    Change both measurements to the same unit of measure and find the scale factor. 1) 1ft model of a 1in. fossil 2) 20cm model of a 28m rocket 3) 2ft model of a 30yd sports field 4) 3ft model of a 5yd whale

  43. psychology

    When an individual feels that both health and illness are a product of psychological, biological, and social forces he or she believes in the - Biomedical model - Western Perspective Model - Biopsychosocial model - Scientific approach to medicine - Primary

  44. Calculus

    Find the sum of the squared errors for the linear model f(x) and the quadratic model g(x) using the given points. f(x) = −0.7x+3, g(x)=0.06x^2−0.6x+2 (−3, 5), (−1, 3), (1, 2), (3, 1) linear model-? quadratic model -?

  45. Calculus

    Find the sum of the squared errors for the linear model f(x) and the quadratic model g(x) using the given points. f(x) = 2.0x − 3, g(x) = 0.09x^2 + 1.6x − 3 (−1, −4), (1, −2), (2, 0), (4, 6), (6, 9) linear model-? quadratic model- ?

  46. Thank you Ann (kinematics)

    Thank you Ann! I had the equations and really was closing in on the answer... (stopping for 23 s is what really got me confused) in either case, the displacement for a) is 888 m ! Now I'll try to calculate (b). Thank you much! P.S. This is in response to

  47. language arts

    Need to confirm if the verbs in the sentences are physical or mental actions: 1. However he won only 2 medals --Physical 2. Spitz also teamed with three other Americans in 3 relay races - Physical 3. In total, Spitz won s7 gold medals in a single

  48. Quanitive Methods

    A car rental company has $540,000 to purchase up to 25 new cars of two different models. One model costs $18,000 each and the other model costs $24,000 each. Write a system of linear inequalities to describe the situation. Let x represent the first model

  49. statistics

    A sudent is analyzing data from an experiment using a linear model. when the student entered the data into his calculator and ran a least squares linear regression the calculator gave a correlation coefficient of 0.01. what can the student infer from this

  50. algebra 2

    three computers were on sale model E computer was priced at 1/3 the price model C and model P was priced at 1/2 the price of model E on business bought one of each type of computers on sale and paid a total $1800

  51. motion,physics

    Model rockets are lightweight rockets powered by very small engines. A typical model rocket has a mass of 5g.Similarly, a typical "class C" model rocket engine can produce a total impulse of 10 Newton-seconds. We usually launch model rockets vertically,

  52. 7th grade math

    Toby is making a model of a battlefield. The actual area is 11 miles by 7.5 miles. He wants to put the model on a 3.25 ft by 3.25 ft square table with at least 3 inches on each side between the model and table edges. What is the largest scale he can use?

  53. Science

    Hello, hope u guys are having a good day! I need some help on this science! Thank you! Water cycle. Which of these stages of the water cycle were you able to observe in your model? What is the energy source in your model and what does it represent? Did you

  54. english-research

    Im analyzing the case study for the company The big Carrot. The case is confusing and I need to figure out which decision making model the company uses? Through our class we have 4 options. The managment science approach, the carnegie model, the

  55. science

    3. Would you use a physical model or a conceptual model to describe the following: brain, mind, solar system, birth of universe, stranger, best friend, gold coin, dollar bill, car engine, virus, spread of sexually transmitted disease?

  56. Bio

    How would I know when to use a mathematical model. How would I know when to use a conceptual model, computer model, and physical? Studying for a quiz :)

  57. Political Science

    Is the rational-comprehensive model or the incremental model best used to describe policymaking in the United States? Provide examples to support your model choice

  58. science

    describe the difference between a ball-and-stck model and a space-filling model of a compound ? Vanessa--Have you seen a ball-and-stick model and a space-filling model? If so you will know how to answer this. dont give me stupid answers i can on for help

  59. social work

    My Question is “ What is a mediation model” Locate and read an article in the University Library related to a mediation model. Write a 350-word summary of your article. Be sure to address the following your summary: • Identify the setting and

  60. social work

    Assignment reads Locate and read an article in the University Library related to a mediation model. Write a 350-word summary of your article. Be sure to address the following your summary: • Identify the setting and populations most appropriate for the

  61. Teachers Aide/Early Childhood Education and After-

    11. The most common early childhood program in the United States is A. the eclectic model. C. DISTAR. B. the Montessori model. D. the Froebelian model. I have no idea. There is really only a few sentences that would lead me to believe that the Froebelian

  62. Math

    a simple Model (model 1)of distance,d meters,fallen in time t seconds by free-fall skydiver is d(t)=4.9t^2 a. sketch the model b. a different model (model 2) for the distance travelled by a skydiver is d(t)=4.9t^2-0.1t^2.sketch a graph of this function

  63. Chem 1

    In this website, winter.group.shef.ac.uk/vsepr/isomers.html Does model (A) have the most interactions... leaving model C to least reactions? The way I read it is that model C has the most interactions and model A has the least (overall); therefore, the

  64. science

    an atom is the smallest piece of matter which model does this describe Democrtius dalton Rutherford Thompson Bohr Wave Model

  65. Math 1324

    A manufacturer produces two models of elliptical cross-training exercise machines. The times for assembling, finishing, and packaging model A are 3 hours, 3 hours, and 0.8 hour, respectively. The times for model B are 4 hours, 2.5 hours, and 0.4 hour. The

  66. probability

    2.The daily production from a car factory=3 different models-A,B,C which are in two different colours-R and S. Daily the factory produces 1600 model A cars,800 of model B and 600 of model C. Overall,40% of the cars are of colour R,60% of colour S.60% of of

  67. Technology

    12. A clay model of a new automobile design would be considered a a. wireframe model b. surface model c. mock-up d. prototype C

  68. college

    Using your textbook (Chapter 5), describe the model of consumer buyer behavior. Providing a list of the steps or a graphic of the model is not adequate as you must explain how the process works in the real world using your own words.

  69. Physical Science

    I need some help. I have tried working this problem and can't get it. A class is building a scale model of the planets based on the model of Mercury having a radius 0.5cm. What is the diameter of Saturn for this model?

  70. Geometry

    Max is building a spherical model of earth. He is building his model using 2-inch long pieces of wood to construct the radius. The first time he tries to build the model, he uses 3 of the 2-inch pieces of wood end-to-end to make the radius of the model.

  71. Abnormal Psychology

    Irene has experienced physical problems because her life has been disrupted by environment changes and constraints. She complains of headaches, sleep problems, and poor relationships. Her condition can best be explained by which viewpoint? - The

  72. Abnormal Psychology

    Irene has experienced physical problems because her life has been disrupted by environment changes and constraints. She complains of headaches, sleep problems, and poor relationships. Her condition can best be explained by which viewpoint? the

  73. basic economics

    The U.S. capitalist system relies on a theoretical model, the circular flow model, with three basic elements interacting together to ensure that our needs and wants are provided. The three sectors are (a)consumer, (b)business, and (c)government. The

  74. CHEMISTRY

    PLEASE HELP I REALLY DO NOT UNDERSTAND THIS YOU DON'T REALLY HAVE TO ANSWER THE QUESTIONS BUT AT LEAST JSUT A LITTLE HINT THATS ALL PLEASE AND I HAVE A QUIZ ON THIS TOMORROW MY TEACHER REALLY CANNOT TEACH 1) what flaws exsit in Dalton's model of the atom?

  75. physical science

    Which one of these statements is true about Copernicus? a. His model included planetary orbits that were circular. b. He believed that Ptolemy's ideas about the shape of orbits were correct c. His model could not account for retrograde motion of Mars. d.

  76. Math please help

    Craig is making a model version of his neighborhood that uses model trains. The ratio of the model train to the actual train is 1:64. His neighborhood covers an area o 200,704 squared feet. What will the area of the model neighborhood be?

  77. math

    what is a number model? Since this is not my area of expertise, I searched Google under the key words "number model" to get these possible sources: http://www.minet.uni-jena.de/~novak/model.html

  78. stastistics

    You have a hot grill and an empty hamburger bun, but you have sworn off greasy hamburgers. Would a meatless hamburger do? The data for 12 brands of meatless hamburger were collected. Calories, fat, and sodium in these meatless hamburgers were used to

  79. social studies-theories in lanugage

    I don't understand the origins of contemporary American African English...I know that there is the dialectologists model the creolists model and the integrated model but i don't get what each one is

  80. Physical Science

    I need some help. I have tried working this problem and can't get it. A scale model of the solar system is being constructed where 40cm of the model represents 0.5 AU of actual distance. What is the model dimension, in meters, for the distance of Jupiter

  81. math

    Use 17 connecting cubes to make a kitchen model. Model is is the shape of rectangle and is one cube high. How many different ways to make the model?

  82. Finite

    Kane Manufacturing has a division that produces two models of hibachis, model A and model B. To produce each model-A hibachi requires 3 lb of cast iron and 6 min of labor. To produce each model-B hibachi requires 4 lb of cast iron and 3 min of labor. The

  83. Finite Math

    Kane Manufacturing has a division that produces two models of hibachis, model A and model B. To produce each model-A hibachi requires 3 lb of cast iron and 6 min of labor. To produce each model-B hibachi requires 4 lb of cast iron and 3 min of labor. The

  84. Math

    5) A car manufacturer has manufacturing plants in 3 major cities. Below are the daily amounts of cars produced per plant for 3 different model types. (matrix A) Model X Model Y Model Z Plant A 12 10 0 Plant B 4 4 20 Plant C 8 9 12 Due to wage increases,

  85. Math

    Several models of a rectangular cabin are being studied the perimeter of each model is 26 inches the length of one model is 8 inches what is the width of the model

  86. finite

    Kane Manufacturing has a division that produces two models of hibachis, model A and model B. To produce each model A hibachi requires 6 lb of cast iron and 12 min of labor. To produce each model B hibachi requires 7 lb of cast iron and 6 min of labor. The

  87. math gre ques

    A sudent is analyzing data from an experiment using a linear model. when the student entered the data into his calculator and ran a least squares linear regression the calculator gave a correlation coefficient of 0.01. what can the student infer from this

  88. statistics

    A manufacturer makes two models of an item: model A which accounts for 70% of unit sales, and model B which accounts for 30% of unit sales. Because of defects, the manufacturer has to replace (or exchange) 4% of its model A and 17% of its model B. Question

  89. CJS230

    Can someone please assit me with finding a website to answer the folloing questions? Based on the ideals of a penitentiary, what should it be like? What was the principal goal of a penitentiary? What were the differences between the two prison models? What

  90. HEALTH CARE COMMUNICATION STRATEGIES

    Traditionally healthcare organizations have been based on the bureaucratic model. In what ways has the bureaucratic model enhanced healthcare communication? In what ways has it been a detriment? Would you recommend a different model to improve

  91. 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.

  92. math

    What models can be used to help explain the concepts of addition and subtraction of rational numbers? What are the benefits to using such a model? What limitations does the model have? Create an addition or subtraction problem and demonstrate how the model

  93. Econometric -SAS

    I am having trouble figuring out the correct code. I am trying to do an unrestricted and restricted model of a Cobb-Douglas Production Model. lnQ=B1 + B2 lnL + B3 lnK + e This is my code data cobb; infile 'cobb'; input q l k; proc reg data = cobb; model q

  94. PHYSICS

    Model rockets are lightweight rockets powered by very small engines. A typical model rocket has a mass of 5g.Similarly, a typical "class C" model rocket engine can produce a total impulse of 10 Newton-seconds. We usually launch model rockets vertically,

  95. earth

    why was Copernicus model accepted over the geocentric model, even when it did not predict stellar event any better than the geocentric model

  96. Finite

    Kane Manufacturing has a division that produces two models of hibachis, model A and model B. To produce each model A hibachi requires 3 lb of cast iron and 6 min of labor. To produce each model B hibachi requires 4 lb of cast iron and 3 min of labor. The

  97. 7th grade math

    Toby is making a model of a battlefield. The actual area is 11 miles by 7.5 miles. He wants to put the model on a 3.25 ft by 3.25 ft square table with at least 3 inches on each side between the model and table edges. What is the largest scale he can use?

  98. MATH 156

    What models can be used to help explain the concepts of addition and subtraction of rational numbers? What are the benefits to using such a model? What limitations does the model have? Create an addition or subtraction problem and demonstrate how the model

  99. Algebra/Math

    Hello! I need help with the following question: The fuel economy in the new Desert Rate compact car is advertised to be a 24% increase over last year’s model. If the new model gets 31 miles per gallon, what was the fuel economy of the old model?

  100. Justice system

    In contrast to the Warren Court, the Burger Court appeared to support a/an: A. due process model. B. crime control model. C. corrections model. D. inmates model. is it B 2. Natural law is best described as: A. the laws of the church. B. a body of

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