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sue gilbert

sue g.

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Which of the following is/are hypothesis(es) of frost action? Question 6Select one: A. Osmotic pressure B. Pneumatic pressure C. Hydraulic pressure D. Both A and C E. None of these are correct

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4. In a Full-bridge converter shown in Fig. 8-9, $V_{in}=30V$, $f_{s}=200kHz$, and $N_{1}/N_{2}=4$. The output voltage is regulated by PWM such that $V_{o}=5V$. The output power $P_{o}=250W$ and the peak-peak ripple in the output inductor current is 10 percent of its average value at full-load. Calculate the value of the filter-inductor $L$. Calculate and plot all the waveforms associated with this converter. Assume the transformer ideal and the flux waveform to be symmetric with the same positive and negative peak amplitudes. FULL-BRIDGE CONVERTERS $V_{in}$ $i_{L}$ $V_{o}$ Figure 8-9 Full-Bridge converter.

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When working with vectors, Pythagorean's Theorem can be used to ________ (pick the best answer choice below)  Select the correct answer Decompose a vector (given as a magnitude and a direction) into its x- and y- components Multiply two vectors together to find their dot product. Calculate the angle of a vector from its x- and y- components Properly rotate a vector by 90 degrees Calculate the magnitude of a vector from its x- and y- components

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Which depreciation method is primarily used in contracts and involves writing off the value of machinery over its expected useful economic life? Group of answer choices Sum-of-the years’-digits method Straight line method Reducing balance method Fixed instalment method

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\( x[n]=[2,4,5,6,7] \) find the value for \( y[n] \) for \( y[n]=x[n+ \)

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____ is the selling of products to another country.

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The sun is a star in our galaxy. ? True ? False

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For Practice 19.7 - Enhanced - with Feedback 14 of 40 Review I Constants I Periodic Table Consider the oxidation of NO to NO2: NO(g) + (1/2)O2(g) -> NO2(g) Standard thermodynamic quantities for selected substances at 25°C Substance ΔHf° (kJ/mol) S° (J/(mol*K)) For Practice 19.7-Enhanced-with Feedback 14 of 40 Review I Constants I Periodic Table Part A Consider the oxidation of NO to NO2 Calculate ΔGxn at -90°C NO(g) + O2(g) -> NO2(g) Express the free energy change to three significant figures and include the appropriate units. Standard thermodynamic quantities for selected substances at 25°C Substance ΔH (kJ/mol) S (J/mol*K) NO(g) 91.3 210.8 NO2(g) 33.2 240.1 O2(g) 0 205.2 ΔGxn= Value Units Submit Request Answer Part B Complete previous part(s

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Which of these would a health psychologist study? Group of answer choices The causes and treatments of mental illnesses How your actions increase or decrease the probability of illness The best ways to recover muscle coordination after a stroke or an injury How an illness can change your personality

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Find the velocity v of an ocean freighter that is traveling 60° north of west at 30 km/hr. v= (Type exact answers.)

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