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A two-dimensional compressor cascade is tested in air with an inlet stagnation pressure of 1 bar and an inlet stagnation temperature of 300 K. For an inlet Mach number of 0.75 and an inlet flow angle of 50o, the exit flow angle is measured as 15.8o. Determine the mass flow rate per unit frontal area. Assuming the flow is isentropic, calculate the exit Mach number and the static pressure ratio across the cascade.
when the rope is at an angle of a 20? the 0.5 kg sphere a has a speed v0 1.2 ms. the coefficient of restitution
a 75-lb stoplight is suspended between two poles as shown in fignbspp3-27. neglect the weight of the flexible cables
the collar p slides outward at a constant relative speed u along rod ab which rotates counterclockwise with a constant
A steady, full-developed Couette flow in the x-direction (fully-developed means that the velocity does not evolve as a function of distance of x). Determine the pressure gradient field
a horizontal disc accelerates from rest at 5 radsec2. the coefficient of static friction between it and the 2.5-kg
the wheel on a press is 25 inches in circumference and there are 5 threads to the inch. how much resistance on the book
a 32.2 lb object is dropped from a 100 feet building. determine the velocity and the kinetic energy at the 50 feet
A two-story building frame is modeled as shown in Fig. The girders are assumed to be rigid, and the columns have flexural rigidities El1 and El2, with negligible masses. The stiff¬ness of each column can be computed as
the motion of a linkage in a mechanical system is examined by engineers. it has been determined that the velocity of an
Calculations of the entire 360 degree stroke of your engine including, joint forces, shaking forces, and all calculations you used to balance your design and associated justifications.
locate the initial and final states on a sketch of the T-v digram. determine the mass of vapor present at the initial and final state, each in kg.
what is the density of solid aluminum at the melting temperature? what is the density of liquid aluminum at the melting
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