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gerald avila

gerald a.

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A flywheel consists of a uniform steel disk of diameter 0.3 m and thickness of 0.1 m . This flywheel is used in a car as a means of energy storage and propulsion and is connected to the drivetrain which has an efficiency of 0.92 . a) If the car requires 8 kW of power to cruise at 70 mph on a highway with no slope, find the range of the car if powered only by the flywheel which is initially rotating at 30,000rpm, with minimum allowable flywheel speed of 1,000rpm. b) The flywheel is initially at 24,000rpm and the minimum allowable flywheel speed is 1,000rpm. If the flywheel is used to drive the car uphill on a road with a slope of 4\deg , what is the maximum distance the car can drive uphill if air and rolling frictions are negligible? Consider the total weight of the car to be 1,800kg.

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Review Conceptual Example 2 as an aid in understanding this problem. A velocity selector has an electric field of magnitude 2940 N/C directed vertically upward, and a horizontal magnetic field that is directed south. Charged particles, traveling east at a speed of 5.04x$10^3$ m/s, enter the velocity selector and are able to pass completely through without being deflected. When a different particle with an electric charge of +4.10x$10^{-17}$ C enters the velocity selector traveling east, the net force (due to the electric and magnetic fields) acting on it is 1.77x$10^{-9}$ N, pointing directly upward. What is the speed of this particle?

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Put these levels of organization in order from largest to smallest. - 1. 2. 3. 4. 5. 6. 7. Organism - 1. 2. 3. 4. 5. 6. 7. Atom - 1. 2. 3. 4. 5. 6. 7. Molecule - 1. 2. 3. 4. 5. 6. 7. Electron - 1. 2. 3. 4. 5. 6. 7. Organ - 1. 2. 3. 4. 5. 6. 7. Tissue - 1. 2. 3. 4. 5. 6. 7. Cell

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Question 4 In acid, aspirin is fat soluble and diffuses through the stomach lining which can cause the stomach lining to bleed. True False

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<HW 9: Ch. 6 (2-4 hours) SLO: A C PhET Simulation - Reactants, Products, and Leftovers Go to the Molecules mode by selecting the icon at the bottom. Notice that there are three real reactions: the synthesis of water, the synthesis of ammonia, and the combustion of methane. Select each of the reactions, and observe the reactants taking part in the reactions. Suppose you are carrying out each of these reactions starting with 5 mol of each reactant. Observe that some reactants are in excess whereas some reactants limit the amount of products formed. Classify each of the reactants as a limiting reactant or an excess reactant for a reaction starting with 5 mol of each reactant. Drag the appropriate items to their respective bins. View Available Hint(s) Reset Help H? in formation of ammonia CH? in combustion of methane O? in combustion of methane H? in formation of water O? in formation of water N? in formation of ammonia Limiting reagent Excess reagent

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What is the basic premise of the Core-Periphery relationship? 1 As the world economy expanded, it developed a core of less developed countries and a periphery of dominant, more developed countries. 2 As the world economy expanded, a cycle developed wherein countries (such as the United States) spent about a century as a peripheral player in the world economy, then gained power and became a dominant economic power at the core of the world economy. 3 As the world economy expanded, it developed a core of dominant, developed countries and a periphery of dominated less developed countries. 4 As the world economy expanded, it developed a core of capitalist countries and a periphery of communist countries. 5 As the world economy expanded, a cycle developed wherein countries (such as Great Britain) spent about a century as the dominant power in the world economy, then lost its power and joined the periphery of less dominant economic powers. --12

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An increase in the money supply will tend to: a) lower the interest rate and lower equilibrium real output

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How are inventory items categorized in the sterile processing department? - Operational supplies and specific care items - Operational supplies and patient care supplies - Physician preference items and patient care supplies - Specialized equipment and departmental supplies

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(Q.1) Suppose the perceptron algorithm cyclically examines the data points in the order given in the below table. The initial model parameter w is [0, 0, 0]. What is the w by the end of one pass through the data set? Show your steps. x0+ X1+ X2+ y+ 1+ 2+ 2+ 1+ 1+ 2+ -2+ -1+ 1+ -2+ 2+ -1+ 1+ -2+ -2+ 1+ (Q.1.1) For the dataset in question, will the perceptron algorithm converge on it? Justify your answer.

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Exercises Road accidents Comparison for it on 70 150 180 135 156 168 178 160 132 345 63 72 60 66 70 14 63 62 GT 1961 1962 1963 1964 1965 1966 1967 1968 1969 Road accidents 155 Wages and salaries in 150 180 135 156 168 178 160 132 149 Interpret your results 2 The following table includes the rankings of the preferences of two housewives for ten different brands of soap. Brands of soap A B C D E F G H 1 Ranking by Mrs X 3 5 8 Ranking by Mrs Z 10 5 7 6 9 1 4 4 9 6 8 3 1 2 10 Are the preferences of the two housewives similar? 3. Calculate the correlation coefficient between the following series Deaths from in 1000 Production of steel in million of tons) What can you infer from the value of r?

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