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A convergent-divergent nozzle with an exit-to-throat area ratio of 1.616 has exit and reservoir pressures equal to 0.947 and 1.0 atm, respectively. Assuming isentropic flow through the nozzle, calculate the Mach number and pressure at the throat.
calculate the vapor pressure-temperature relationship of liquid iron.
where k is the coefficient of kinetic friction between the blocks and the ground. Also, what is the distance the blocks slide on the surface before they separate?
The school cafeteria has found that they go through 9 sandwiches for every 6 tickets they sell to the students. Today they have 558 sandwiches available. How many lunch tickets can they sell today?
A small boat hangs from two davits, one of which is shown in the figure. The tension in line ABAD is 82 lb, determine the moment about C of the resultant force exerted on the Davit.
a 12 kn force is exerted on a rocker arm. the moment of inertia i of the crosssectionnbspwith respect to the
a 75-lb stoplight is suspended between two poles as shown in fignbspp3-27. neglect the weight of the flexible cables
A piston-cylinder device contains 0.8kg of steam at 300 degrees C and 1 MPa. Steam is cooled at constant pressure until one-half of the mass condenses.
one pound of nitrogen as an ideal gas expands isothermally at 70degf from a volume of 1 ft3 to a volume of 2 ft3.
as the hollow steel g 77 gpa shaft shown rotates at 180 rpm a stroboscopic measurement indicates that the angle of
thermopane window consists of two 6 -mm thick glasses separated by a stagnant air space of thickness 6 mm. the thermal
the boat is to be pulled onto shore using two ropes. If the resultant force is to be 1000 N, directed along the keel aa , determine the magnitude of forces T, P acting in each rope at the angle teta of P so that the magnitude of P is minimum. T ac..
determine the optimal pressures, temperatures, and fraction of steam extracted to maximize thermal efficiency.
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