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A piston-cylinder device contains 0.15kg of air initially at 2MPa and 350oC. The air is first expanded isothermally to 500kPa, then compressed polytropically with a polytropic exponent of 1.2 to the initial pressure, and finally compressed at the constant pressure to the initial state. Determine the boundary work for each process and the total work of the cycle.
a ball is thrown vertically up with a velocity of 91 ftsec at the edge of a 190-ft cliff. calculate a the height h to
Remember that velocity is a vector quantity so find the magnitude of the average velocity and the angle of average velocity from the horizon
Write a term paper on Tooling design for composite manufacturing - how tooling is designed for different applications to make composite airplane parts and such.
Calculate the specific enthalpy at the compressor outlet. Include in your calculations the changes in kinetic and potential energy.
Determine the angle theta degrees that requires the minimum torque T to keep the seam closed. (Hint: use Mohr's circle). Give the answer in degrees.
a state runs a lottery in which 6 numbers are randomly selected from 40 without replacement. a player chooses 6 numbers
a charge of -3.30 microc is fixed in place. from a horizontal distance of 0.0435 m a particle of mass 7.65 10-3 kg and
Determine the maximum speed at which the car with mass m can pass over the top point A of the vertical curved road and still maintain contact with the road.
A Pitot-static probe connected to a water manometer is used to measure the velocity of air. If the deflection (the vertical distance between the fluid levels in the two arms) is 7.3 cm, determine the air velocity. Take the density of air to be 1.2..
strength of materials energy methodsa steel ring of mean diameter 250 mm has a square section 2.5 mm by 2.5 mm. it is
Calculate spring coefficient k = P/δ and discuss the design on how much spring radius r should be changed to increase k two times
A body having a mass of 46 kg rests on a horizontal planse for which the coefficiant of friction f = 0.4. A force P acts ofn the body at an angle of 20 degrees with the horizontal. Find its magnitude for impending motion.
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