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One end of a tube is closed, and the other is open. A 15 g projectile is placed near the closed end, is fastened in place with a removable pin, and the space (1 cm3) between the projectile and the sealed end is filled with air and is held at a pressure of 1 MPa and a temperature of 27°C. The ambient air is at 0.1 MPa. Assuming that the air in the closed end expands isothermally when the pin is pulled, and that the pressure of the air inside the tube is 0.1 MPa when the projectile reaches the open end of the tube, find the following: (a) the final volume and the mass of the air at that point, (b) the work done by the air and work done on the atmosphere, and (c) the work to the projectile and the projectile's exit velocity.
What is the discharge revised discharge pressure of the compressor.
Determine the coordinates x' and y' of the centroid C of the area shown in the figure and calculate the moments of inertia of the area shown, about ox and oy axes.
a process occurs taking 5kg of mass from state a to state b. the work during this adiabatic process is 5kj. the change
Determine distribution of shear force and bending moment
a 5 ft3 tank containing steam at 14.7 psia 1 quality is fitted with a relief valve. heat is transferred to the tank
the water side of the wall of a 70-m long dam is quarter circle with radius of 7-m. determine the hydrostatic force on
due to a poorly designed foundation the statue at point a slowly slides down a grass covered slope. to prevent further
a small projectile is fired vertically downwards into a fluid medium with an initial velocity of 60 ms. due to the drag
consider a regenerative rankine cycle with a 600c and 4-mpa throttle a 5-kpa condenser and an open feedwater heater at
Determine the number of storage bits required in the controller memory so that the accuracy of the joint is as close as possible to, but less than, its repeatability. Use six standard deviations as the measure of repeatability.
a frictionless piston cylinder device with a set of stops contains .5m3 of saturated h2o vapor at 200 kpa. at this
Why do you suppose that service jobs have lower productivity than manufacturing jobs? How can a company gain a competitive advantage by having higher productivity than its compettitors have?
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