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Motile bacteria are equipped with flagella that are rotated by tiny, biological electrochemical engines which, in turn, propel the bacteria through a host liquid.
Consider a nominally spherical Escherichia coli bacterium that is of diameter D = 2µm. The bacterium is in a water-based solution at 3rC containing a nutrient which is characterized by a binary diffusion coefficient of DAB = 0.7 x 10-9 m2/s and a food energy value of N = 16,000 kJ/kg. There is a nutrient density difference between the fluid and the shell of the bacterium of ?pA = 860 x 10-12 kg/m3. Assuming a propulsion efficiency of ? = 0.5, determine the maximum speed of the E. coli. Report your answer in body diameters per second.
What is meant by the transverse (linear) magnification of an image. An object is placed -30mm from a positive lens and a virtual image four times the size of the object is required. Find graphically and by calculation the necessary focal length of..
What is the maximum number of subnets with 255.255.255.248 mask in a class C network?
How would you develop a project appraisal and project development Statement of Work process which would enable you to confidently 'cover off' all the factors which could impact the economic value of your proposal.
Express the above problem on a network by drawing nodes, arcs, determining node values, arc costs, arc capacities if any, such that no node has a capacity restriction associated with it and no node has a cost for using the node
Each driver claimed that he was going at the speed limit of 30 mi/h and that he tried to slow down but couldn't avoid the crash because the other driver was going a lot faster. Knowing that the weights of cars A and B were 3600 lb and 2800 lb, res..
Design an open-loop controller such that the speed has a constant value of 0.5 rad/s. Show your result via simulation using Simulink. Explain why open-loop control is not recommendable in practice.
A bus is parked along the side of a highway when it is passed by a truck traveling at a constant speed of 70 km/h. Two minutes later, the bus starts and accelerates until it reaches a speed of 100 km/h, which it then maintains. Knowing that 12 min..
part iusing the data provided on the webvista site in the file marked vdw.txt try to develop a mathematical equation
It should outline what you learned, what you did, and how you changed as a person. ADDITIONALLY - Attach an extra page with a self-evaluation and brief explanation (a few sentences will be sufficient) of why you believe your self-given grade to be..
The airstroke actuator at D is used to apply a force of F = 200 N on the member at B. Determine the horizontal and vertical components of reaction at the pin A and the force of the smooth shaft at C on the member.
Assume that at Pine Valley Furniture products are composed of components, products are assigned to salespersons, and components are produced by vendors.
Provides safe Web access to students and staff. It also ensures no student or staff member is exposed to illicit web content.
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