Reference no: EM131091871
1. A boundary layer develops when water flows over a perforated flat plate. To control boundary layer groveth, water is sucked through the plate. Determine (a) the volume flow rate needed through the plate to maintain the streamline at the top of the boundary layer parallel to the plate, i.e., horizontal; (b) the drag force for this flow condition. There is no imposed pressure gradient. Note that the no-slip boundary condition for the tangential velocity component still applies.
2. A free vortex with a circulation C and a sink with a flow rate m are place at a height h above a solid plane. Assuming inviscid flow, determine a) the flow velocity at points A and B; b) the difference between the pressures at the points.
3. The thrust F of a propeller depends on its diameter, D, the angular velocity, to, the flight velocity, U, the air density, p, the air viscosity, p, and the speed of sound, a. Find a non-dimensional form of the dependence of F on the other parameters (with the Pi term containing F as the dependent variable).
4. A liquid with a viscosity g and a density p flows over a plane moving at velocities U. Starting from the Navier-Stokes equations, determine the velocity profile.
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Which of the following is not a part of operating activities
: Beginning direct materials is $100,000 and$ 200,000 materials are $500,000. How many direct materials were used in production?
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Cold weather activities
: A New Hampshire resort offers year-round activities: in winter, skiing and other cold-weather activities; in the summer, golf, tennis, and hiking. The resort's operating costs are essentially the same in winter and summer.
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Number of hours since the start of the study
: To begin a bacteria study, a petri dish had 1500 bacteria cells. Each hour since, the number of cells has increased by 5.2%.Let t be the number of hours since the start of the study. Let y be the number of bacteria cells.
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Relationship with your parents or caregivers
: Explain what kind of temperament did you have as an infant. How did it affect your relationship with your parents or caregivers?
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Find a non-dimensional form of the dependence of f
: A free vortex with a circulation C and a sink with a flow rate m are place at a height h above a solid plane. Assuming inviscid flow, determine a) the flow velocity at points A and B; b) the difference between the pressures at the points.
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Explain the deficiency
: Explain the below deficiency
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Find the probability that the mean weight of 5 muesli bars
: Find the probability that the mean weight of 5 Muesli bars is less than 30g? Find the probability that the mean weight of 7 Muesli bars is less than 30g? What can you conclude about the probability when the sample size increases? Use your answers to ..
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Assignments insofar as it addresses a particular moral issue
: Final Paper The final paper is similar to the assignments insofar as it addresses a particular moral issue through the concepts and notions developed during this class.
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Find the amount in account
: Suppose Juan places$2000 in an account that pays 12%interest compounded each year. Assume that no withdrawals are made from the account. Find the amount in account after 1 year and 2 year
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