Questions asked
A function that the glycocalyx does not have for a bacterium is: Attachment Resistance to drying Protection from immune system cells Production of biofilms Protein synthesis
Find the work done by a force F = 8i − 6j + 9k that moves an object from the point (0, 10, 8) to the point (4, 16, 18) along a straight line. The distance is measured in meters and the force in newtons.
trans-2-butene reacts with meta-chloroperbenzoic acid. What is the final product? III I None of these choices II + enantiomer IV + enantiomer
Texts: Two trains leave towns 1530 kilometers apart at the same time and travel toward each other. One train travels 21 km/h faster than the other. If they meet in x hours, what is the rate of each train?
Calculate the integral of $f(x, y, z) = 4x^2 + 4y^2 + z^9$ over the curve $c(t) = (\cos t, \sin t, t)$ for $0 \le t \le \pi$. $\int_c (4x^2 + 4y^2 + z^9) \, ds = $
II. In the circuit below, the switch has been closed for a long time, and is opened at time $t=0$. Find $v_o(t)$ for $t>0$.
Write an algorithm to get the value of x and calculate y according to the following: x+1, if x<0 y=2x+10, if x>=0
(a) Find the Fourier transform $X(\omega)$ for the following signal: (10 points) $x(t) = \begin{cases} \frac{1}{4}, & 0 \le t \le 1 \\ 0, & \text{otherwise} \end{cases}$ (b) Determine the magnitude spectrum and phase spectrum for $X(\omega)$. (10 points)
Figure 1 shows the iron (Fe)-iron carbide (Fe3C) phase diagram used in the processing of ferrous alloys. A 1.5 kg specimen of a 99.65 wt% Fe-0.35 wt% C is slowly cooled from austenite phase to a temperature just below the eutectoid. (a) Determine the fractions of total ferrite and cementite phases (4 marks) (b) Determine the fractions of pearlite and cementite phases (4 marks) (c) Name with justification the type of solid solution formed between the solvent and solute atoms in the ferrous alloy (2 marks) (d) If more carbon, C, is added into the iron to achieve a level of 1.2 wt% C: i. Name with justification the type of newly formed metal alloy at this new composition (2 marks) ii. Compare with justification the room temperature properties of the ferrous alloy formed in part (d)(i) at 1.2 wt% C with the original alloy at 0.35 wt% C (4 marks) (e) Sketch with labels the microstructure of a 98.80 wt% Fe-1.20 wt% C ferrous alloy at the following temperatures: i. 1200°C (2 marks) ii. 727°C + T (3 marks) iii. Room temperature, TR (4 marks)
Entries for Note Collected by Bank Accompanying a bank statement for Borden Company is a credit memo for $22,330 representing the principal ($22,000) and interest ($330) on a note that had been collected by the bank. The company had been notified by the bank at the time of the collection but had made no entries. Journalize the entry that should be made by the company to bring the accounting records up to date. If an amount box does not require an entry, leave it blank.
