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claudia patterson

claudia p.

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Two cars start moving from the same point. One travels south at 48 mi/h and the other travels west at 20 mi/h. At what rate is the distance between the cars increasing three hours later? mi/h

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What is the pH of the solution that results when the following substances are added to water to create 1.00 L of solution? Data: Kb (CH3COO-) = 5.6 x 10-10 0.100 mol HCl 0.250 mol NaCH3COO 0.100 mol NaCl

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The foreign purchase effect suggest that an increase in the U.S price level relative to other countries will Oincrease both U.S exports and imports O decrease both U.S exports and imports Oincrease U.S imports and decrease U.S exports Odecrease in both U.S exports and imports

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Which of these line of evidence for evolution does NOT provide support for the relationship between Homo sapiens and Homo neaderthalensis? Group of answer choices vestigial structures DNA fossil record all of these answers provide evidence for the relationship between those two species

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What condition would cause the maximum cycle time and minimum throughput?A.tAll parts are spread evenly between stationsB.tAll parts are processed at one workstation and moved to the next station togetherC.tAll parts are processed as soon as the workstations becoming availableD.tAll parts are processed to maintain the same waiting time

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Semiconductors exhibit resistivities that fall between those of conductors and insulators. Typical resistivity ranges for semiconductors are:

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Give the domain of each of the following functions in interval notation f(x) = \sqrt[4]{-2x - 8} k(x) = \sqrt[7]{3x + 8}

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Solve the unit commitment problem using dynamic programming method for the power plant having 4 generating units. The details of generating units are given below: Marginal Min Min Start Initial up down up cost state Unit Max Min No (MW) (MW) -load cost cost ($/hr) ($/Mwhr) (hr) (hr) ($) 1 80 25 0 23.54 4 2 500 On 2 250 60 0 20.34 5 3 570 Off 3 300 75 0 19.74 5 4 1600 On 4 60 20 0 28 1 1 0 off Load pattern Hour Load (MW) 1. 450 2. 530 3. 600 4. 540 5. 400 6. 280 7. 290 8. 500

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What is (f+g)(x)? f(x)=-3x+6 g(x)=-2x^(2) Write your answer as a polynomial

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1. A 2nd order system has an overshoot of 26% and a settling time (2%) of 16 seconds when presented with a step input. (a) [2] What damping factor $\zeta$ and natural frequency $\omega$ do these correspond to? (b) [2] What are the poles associated with this system? (c) [4] What is the transfer function for this system?

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