Assuming a linear velocity profile, find the boundary layer thickness the wall shear stress, the displacement thickness and the drag for a flat plate with zero pressure gradient and free stream velocity U0. The plate has length L and width b. Do you have flow separation? If the answer is yes or no, explain why.
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Water is delivered at 0.040 m3/s into the open tank using a pump and a 120 mm diameter cast iron pipe. If the system losses through the pipe are 6.4 Nm/N, determine the power output of the pump.
A 70 kg bungee jumper jump from the top of a 70 m high bridge and able to touch the water below. The bungee cord has a spring constant of 72.5 N/m, where the unstretched position is when s = 0. Using the principle of work and energy, determine the bungee cord's relaxed length, l, for this jump. If the resistance of the air were not present during the jumping, describe what happened to him?
What is a variable in research?
How can one become an elevator technician?
What is automotive engineering?
you have been hired to design a family-friendly seesaw
rom the end of the board when seated. You have selected a child of mass, (seated furthest from the pivot) and an adult of mass, (seated closest to the pivot) to test out your prototype.
a. Determine the distance d in meters.
b. Determine the magnitude of the force exerted on the pivot point by the see-saw while in use in newtons.
What is the marginal cost formula?
What should wheel bearing seals be checked for?
B. Color changes
E. All of the above
Inventory costing methods place primary reliance on assumptions about the flow of
C) resale prices
Share point analysis includes all of the following steps except:
A) Estimate industry sales
B) Compute gross margin per share point
C) Estimate the firm's market share
D) Estimate the firm's return on investment
E) Compute sales revenue per share point
Human factors is the study of which characteristics?
logistics is most closely related to which element of the marketing mix?
Which of the following may occur during an annealing heat treatment?
A. Stresses may be relieved.
B. Ductility may increase.
C. Toughness may increase.
D. A specific microstructure may be produced
E. All of the above.
The otto-cycle engine in a Mercedes-Benz slk230 has a compression ratio of 8.8. What is the ideal efficiency of the engine?
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