Numerade

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Tuned voltage amplifiers are not used as; a. Public address systems b. Radio receivers c. in television receivers d. where a band of frequencies is to be selected and amplified

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Chaeter 4 Homewart 2eargueenowcom: Veur chak is ul-month ger wese by cethtily threp: Glest Pwitilep unver: Statement of stockholders' equilty Climate Control Systems Co. offers its services to residents in the Spokane area. Selected accounts from the ledper of cimate Conerol Sytems for the focal vear ended December 31,2012 , are as follows: \begin{tabular}{ll|ll} \hline \multicolumn{4}{c}{ Common Stock } \\ \hline & Jan. 1 & 75,000 \\ & Feb. 15 & 25,000 \\ \hline Dectained Earnings 31 & 160,000 & Jan. 1 (20r2) & $ 4,150,800 $ \\ \hline \end{tabular} Prepare a statement of stockholders' equity for the year ended December 31,2022 . If a net loss is incurred or ovidends were paid, enter that amount os a necative number using a minus sign. Climate Control Systems Co. Statement of Stockholders' Ejyuity For the Year Ended December $ 31,20 \mathrm{Y} 2 $ For the Year Ended December 31, $ 20 \mathrm{Y} 2 $ Line Item Description Balances, January $ 1,20 \mathrm{2} \sim $ Isued common stock Stock Retained Earnings Total Gneak My Work Previous Neot $ > $ All work saved. Sme and 6 : Gitmt Ass gomest ler Cradrs

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Bilophodont molars are a derived characteristics of _______________. ? reptiles ? prosimians ? monkeys ? birds

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f(x) = -\frac{1}{4}x^4 - x^3 + 5x^2 + 24x - 5 Determine whether f(3) is a local maximum or a local minimum. (Use x = 2.9 and x = 3.1 in your calculations.) Local minimum Local maximum

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(a) Evaluate $\int_0^{2\pi} \frac{1}{3 - 2\cos\theta + \sin\theta} d\theta$.

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Using the characteristics below, fill in the cladogram table and create a cladogram that illustrates the cladistics relationships between the viruses. Table 1: Type of Sequence of attachment protein nucleic acid Virus 1: Double stranded DNA, 5'GGATTCATC3 Virus 2: Double stranded DNA, 5'GGATTGACT3 Virus 3: Single strand Retro virus RNA, 5'GGAUUGACC3 Virus 4: Single strand DNA, 5'GGATTGACT3 Virus 5: Single strand RNA virus, 5'GGAUUGACA3 Structure: Virus 1: Spherical capsid with envelope Virus 2: Rod shape capsid with envelope Virus 3: Rod shape capsid no envelope Virus 4: Rod shape capsid with envelope Virus 5: Rod shape capsid no envelope 1. What is the outgroup? Provide a logical explanation for why you selected the virus for the outgroup. 2. Using the traits in Table 1, describe derived traits that could be used to create a logical evolution sequence. Fill in the table to show the totals for each shared derived characteristic. This is similar to the cladogram lab you did in class. 3. Imagine that base changes in the nucleic acids of the viruses above were relatively uniform. A single base change occurred every 10,000 years. a. What is the concept associated with describing evolutionary time by examining molecular changes in nucleic acids or proteins? b. How long did the most recent virus take to evolve from the outgroup virus? Explain how you came up with your numbers.

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Q2. Consider the following process transfer function; $G(s) = \frac{5}{1 + 4s}$ a) State which of the following tuning methods can be used to obtain a closed loop response with no overshoot, and to meet a given settling time specification; i) Ziegler-Nichols ii) Cohen-Coon iii) Direct Design Synthesis b) Determine a set of Kp and Ki values for this system under PI control which would yield a settling time of approximately 15s, with no overshoot. c) If a 2 second time delay is added to the process, like below, with the same PI controller parameters, how does the response deteriorate? $G(s) = \frac{5e^{-2s}}{1 + 4s}$ d) Retune the controller to meet the specification in a), when the 2 second delay is present. e) Which parameter, Kp or Ki, required altering the most in order to re-meet the given response specification?

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Find the total energy for the signal $x(t)$ \\ $x(t) = - u(t+2) + (t+1) u(t+1) - 2t u(t) + (t-1) u(t-1) + u(t-2)$

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Q2) Answer the following question. a) A copper conductor has a diameter of 0.9 in. and it is 1000 ft long. Assume that it carries a total dc current of 70 A. (i) Find the total resistance of the conductor. (ii) What current density exists in it? (iii) What is the dc voltage between the conductor ends? (iv) How much power is dissipated in the wire?

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Problems: 41 points total Each of these very short programs has something wrong with it. Explain what, and explain how to fix it. Your answers should each be two sentences or less. Headers are intentionally omitted; that is not the problem. Problem 1 (5) int main() { fprintf("Hello, world!\n"); return 0; } Problem 2 (5) int main() { char s[80]; printf("Say something: "); s = fgets(80, stdin); printf("You said %s.\n", s); return 0; } Problem 3 (5) int main() { FILE *ofp; int n = 10; Problem 4 (10) struct coord_struct { double x; double y; }; typedef struct coord_struct coord; int main() { char *s; coord *c = malloc(sizeof(coord)); printf("Enter x: "); fgets(s, 79, stdin); c->x = atof(s); printf("Enter y: "); fgets(s, 79, stdin); c->y = atof(s); printf("Coords are (%lf, %lf).\n", c->x, c->y); free(c); free(s); return 0; }

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kevin e.