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david fitzgerald

david f.

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Which finding will the nurse expect when assessing a patient diagnosed with rheumatic carditis? Select all that apply. One, some, or all responses may be correct. Cardiomegaly Precordial pain Heart rate of 58 beats/min Shortened PR interval Streptococcal infection

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Round answers to 4 decimal places. For a Normal random variable, X, with E(X) = 1, and Var(X) = 3, compute: a) P(X<2.39). P( |X| < 3).

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media contains ingredients that do not allow certain types of bacteria to proliferate, while allowing rapid growth of another type.

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Which person would girls be most likely to model? Oa sibling a girl who stands out by engaging in male-typed behavior a popular older boy a female teacher who they admire

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Question 3 Solve all problems completely. Show all your written working, justifications and explanations supporting your answers. Show algebraically how you find intersection points/critical values. Show all necessary steps. Box your final answers. Submit pictures of your solutions/answers by uploading file/s. Find the mass, in kilograms, of the portion of the cone $x^2 + y^2 = z^2$ between the planes $z = 1$ and $z = 3$ if the area density at any point $(x, y, z)$ on the surface is $\delta(x, y, z) = y^2z^2$ kilograms per square meter. (5 points)

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3) A battery operated carboy water pump will be designed. Pump a 200 ml water glass in 3 s. is requested to fill. The efficiency of the mini pump that can be used in this process is 50%. To be attached to the carboy the head is not sealed and air can enter inside. The pipe connected to the pump is plastic and its inner diameter is 8 mm and its total length is 700 mm. Assuming that the water level in the bottle remains constant during suction, the required pump Find the strength. (water = 1000 kg/m$^3$, water = 0.001 kg/m.s, Kd = 0.3)

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7. (25 points) The open-loop transfer function of a unity-feedback system is $G(s) = \frac{5}{s(s+4)(s+5)}$, design a lag-lead compensator $G_c(s) = K_cG_{c1}(s)G_{c2}(s)$, with desired static velocity error constant $k_v = 25 sec^{-1}$, phase margin $\gamma \ge 45^\circ$, gain margin $\ge 10dB$, (1) Obtain the gain $K_c$. (2) Then considering the lead portion, if the new crossover frequency after compensating is $\omega_c = 4.5 rad/s$, the maximum lead phase angle is at this $\omega_c$, obtain the expression of lead portion $G_{c2}(s)$. (3) Finally obtain the expression of lag portion $G_{c1}(s)$ based on the results from (1) and (2). (4) Verify if the resulting compensator satisfy the requirements.

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Assume the OPAMP is ideal. For the circuit shown below: R=22.4 k$\Omega$, C=66.8$\mu$ F, L=5.6 mH and the voltage source $V_{in}$ is a step from 0 volts to 10 volts at time equal to zero: Is this circuit over-damped, critically damped or under-damped? $\bigcirc$ over-damped $\bigcirc$ critically-damped $\bigcirc$ under-damped What is the voltage at $V_o$ at t=0 (at the step)? What is the voltage at $V_o$, a long time after the step?

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Why does "Moore's Law of Clock Speed" no longer hold? Because connection lines on CPU chips can no longer be made that thin Because Moore's Law of Transistor Density no longer holds either Because CPU clocks can no longer be made to run that fast It would result in way too much power consumption and require too much heat dissipation

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1. Write a function called awesum, using any kind of loop of your choice, which takes a single positive integer $n$ as input, and outputs $\sum_{k=1}^{n} \frac{1}{k}$.

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