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A potential flow source having an intensity of 10m2/s, placed in the point of Cartesian coordinates (1;0), and a sink having identical intensity, placed in the point (-1;0), are combined with a uniform flow at 25 m/s, in the direction -x (i.e., flowing from positive abscissae towards negative abscissae).
Find the width (in the x-direction) of the Rankine oval created by the flow, and the pressure difference between a point at infinite distance upstream and the point of coordinates (1,1).
A nutritional Calorie is equal to 1000 calories (thermochemical calories), which is equal to 4.184 kJ. How many 8-in-high steps must a 180-lb man climb to expend the 400 Cal from the piece of cake? See Exercise 20 for the formula for potential ene..
Calculate the relative change in the rate coefficient for the reaction at the Earth's surface (T = 295 K) and at the top of the troposphere (T = 220 K). The reaction has an activation energy of 19.5 kJ/mol.
Equation (13.65) represents a recursive relationship between a sequence x[n] and its complex cepstrum [n]. Show from Eq. (13.65) that the characteristic system D∗[·] behaves as a causal system for minimum-phase inputs; i.e., show that for minimum-..
Estimate the ratio of molar stream flow rates L/V exiting the flash chamber
Complete a comparison table using the responses of (a) and (b), including the percentage overshoot, the time to first peak, the settling time, and the steady-state error. Comment on the results, and explain the reason for the differences in the re..
A company is considering the purchase and installation of a pump which will deliver oil at a faster rate than the pump already in use. The purchase and installation of the larger pump will require an immediate layout of $1600, but it will recover ..
What are Denbigh reactions? Explain its specialcases.?Denbigh (1958) was the first to treatthe following rather general reaction schemeA1R3S-rA= k12CArR= k1CA - k34CRrS= k3CR24rT= k2CArU= k4CATUk12= k1+ k2k34= k3+ k4With CAo+ CRo+ CSo+ CTo+ CUo= C..
When the generators supply a battery of emf 300 V and resistance of 1.5 Ω.
The Cookenwythe Gas Company pumps propane gas to the nearby Noxious Chemicals, Inc., polypropylene production plant. The gas is metered at the noxious plant at 400m3/h at 4.7atm gauge and 30°C.
Derive Eq. (49) for the optimum economic pipe diameter and compare this to the equivalent expression presented as Eq. (5-90) in J. H. Perry and C. H. Chilton, ed., "Chemical Engineers' Handbook," 5th ed., p. 5-32, McGraw-Hill Book Company, New Yor..
Discuss three advantages and three disadvantages of natural biomaterials for medical devices. What is the most commonly used natural biomaterial? List three medical applications of the most commonly used natural material.
Determine the concentration of the exhaust gas and Determine the flow rate of exhaust gas through the smokestack.
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