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A: Step 1: Given: Resistor (R=2.39Ω) Inductor (L=98μH=98×10−6HCapacitor C=78.1μF=78.1×10−6FVoltage…
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On the reaction board method, if your relative COG height is 54%, what should be your R2?
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- What are the dimensions of the constant 1.26? Use the for- mula to estimate the mean free path of air at 20°C and 7 kPa. Would you consider air rarefied at this condition? Henri Darcy, a French engineer, proposed that the pressure drop Ap for flow at velocity V through a tube of length L could be correlated in the form AP - a LV If Darcy's formulation is consistent, what are the dimen- sions of the coefficient a?Please help ASAPFind the K.E. (1) per cm³ (2) per mole (3) per gram and (4) per molecule of nitrogen at N.T.P. (Molecular weight of N₂ 28, Normal pressure = 76 cm of mercury, density of Hg 13.6 gm/cm³ g = 980 cm/s², Avogadro's number 6.023 x 1023 molecules/mole. (R = 8.314 x 10² erg/mole K)
- Imagine there is a carbon reservoir that holds 12,500 GtC. The flux out of this reservoir is 125 GtC/year. What is the turnover time of this reservoir?(a) Compute the average speed, root-mean-square velocity, and most probable velocity for Ar at 200 K.(mAr=39.948g/mol) (b) The averageatomic momentum for a sample of Ar is 2.41 x 10 -20 g·m/sec. What is the temperature of this sample (in K).For a one-dimensional problem of a gas medium confined between two parallel plates, determine the direct exchange factor gig; (i.e., per unit area), where medium zone i is an infinitely large slab of thickness Az (located between z, sz s zi + Az), and j is another medium zone (located at z, sz s 2; + Az).
- Show that (ƏT· V др Cp (%) -1 HPlease do not rely too much on chatgpt, because its answer may be wrong. Please consider it carefully and give your own answer. You can borrow ideas from gpt, but please do not believe its answer.Very very grateful!Please do not rely too much on chatgpt, because its answer may be wrong. Please consider it carefully and give your own answer. You can borrow ideas from gpt, but please do not believe its answer.Very very grateful!Problem II There is a piece of 10 mm thick a-iron plate. This plate initially has hydrogen uniformly distributed inside with an initial concentration Co. Assume that there is no hydrogen in the air. The plate is left in the air and the hydrogen concentration varies with the time as follows: 4Co C(x, t) = (-9n²Dt\ 12 3nx sin еxp where / is the thickness of the plate. If we would like to remove 95% of the hydrogen from the plate, how long will it take when the plate is at 25 °C? The pre-exponential and activation energy for hydrogen in a-iron are 0.1 mm/s and 13,400 J/mol, respectively.
- An electrochemical engineer has manufactured a new type of fuel cell (a type of battery) which has to undergo testing to prove its duration: the time it takes to go from fully charged to completely uncharged, under a fixed nominal load. From the computational simulation models she has, the variance of the duration is o2 = 4 h² (hours squared) but she wants to estimate the mean duration time u. To achieve this she is determined to do the tests multiple times in independent but identical conditions. Can you find what is the smallest number of these tests that she has to do in order for her estimated mean duration to be within ±0.2 h tolerance of the true mean with 95% certainty?What would this one be I need help.How much work do we have to do (in J, at a constant temperature) to atomize a liquid with a volume of 1 dm3 if droplets of the same size are formed during atomization? For simplicity, assume that the droplet is cube-shaped with an edge length of 1000 nm and a surface tension of 50 mJ / m2.
