An inventor has provided the steady-state operating data shown in the figure below. The system produces mechanical power and increases the temperature of a stream of air ( ṁ = 2 kg/s). The system receives and discharges energy by heat transfer at the rates and temperatures indicated on the figure. Q̇1 and Q̇2 are into the system, and Q̇3 is out of the system. Kinetic and potential energy changes of the flowing fluid are negligible. Treating the air as having constant specific heats cV = 0.718 kJ/(kg·K) and cP = 1.005 kJ/(kg·K), determine: The outlet temperature of the air. The rate of entropy generation inside this device as described. Is this device feasible? You must include a schematic with appropriate energy interactions and start from general forms of any relevant governing equations to be eligible for full credit on this question.

What is the %H2O of the hydrate for Sr3(PO4)2•5H2O. [Sr3(PO4)2=452.8g/mol][H2O=18.016g/mol]

Find the  tangential and normal components of the acceleration at time for the space curve

If you are asked to perform a test statistic to compare if levels of estrone are significantly different in the control vs diseased group, explain how would you perform that test by answering the following questions; 1. What are your null and alternate hypotheses? 2. What test would you use to test that hypothesis? You will need to run that test to answer the next question. 

c) Given a significance level of 0.05, what can we determine about the outcome of the F-test?

(a) Show that the function is differentiable. (b) Calculate the total derivative of the function at the point (2,1).  Use it to approximate

(a) Find the limit

Many children have ear tubes surgically inserted to reduce hearing loss associated with persistent ear infection. A common side effect with ear tubes is discharge from the external ear indicating inflammation of the external or middle ear. A clinical trial was conducted among children with prior ear infections comparing efficacy of (i) antibiotic ear drops, and (ii) oral antibiotics. Children were seen at home by study physicians at 2 weeks. The results are given in the Table below.  Observed data: Group Otorrhea 2 weeks = yes Otorrhea 2 weeks = no Total Antibiotic Ear Drops 4 72 76 Oral Antibiotic 34 43 77 Total 38 115 153

When using Honorlock, you are required to show your workspace (to the right and left of your computer). I.e. show what you are looking at. If you didn’t already do that during the room scan, be sure and do so now.  If you don’t and there are any questions about the exam, you may be required to retest at the Testing Center. 

Identify this bone feature.