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0.1 kg of propane is contained within a piston-cylinder assembly at 0.2 MP, initially with a specific internal energy of 272.5 kj/kg. Energy transfer by heat occurs slowly at a constant pressure resulting in a final volume of .0307m^3. Friction between the piston and cylinder is negligible. for the propane, determine the initial temperature in C, and the work in kj.
the hawkins supply company is currently faced with an inventory rotation problem.this difficulty stems from the fact
two kg of saturated liquid water at 1 bar is compressed to 25 bar and 100degc in a water pump. determine the change in
an adiabatic pump operating at steady state compresses liquid water from an initial condition of 10 bar and 40degc to a
a container with volume 2 m3 filled with three different gases 20 kg oxygen at -23 c 50 kg nitrogen gases at 27 c and
Calculate the force required in direct extrusion of 1100-O aluminum from a diameter of 6 in. to 2 in. Assume that the redundant work is 30% of the ideal work of deformation, and the friction work is 25% of the total work of deformation.
at time t0 the postion vector of a particle moving in the x-y plane is r5i m. by time t 0.02 s its position vector has
Determine the smallest horizontal force required to lift the 260- crate. The coefficient of static friction at all contacting surfaces is = 0.7. Neglect the mass of the wedge.
a spherical hot-air balloon is initially filled with air at 120 kpa and 35oc with an initial diameter of 3 m. air
a boat is traveling along a circular path having a radius of 20m . determine the magnitude of the boats acceleration if
Use a suitable method to predict the racS,T variation along these plates when a= e= 0.1, 0.5, and 0.8 and emissions and reflections are diffuse.
in the recent years the united states produced 50.8 percent of its electricity in the amount of 1.6181012 kwh from
Your rich godfather has offered you a choice of one of the three following alternatives: $10,000 now; $2,000 a year for eight yeaers; or $24,000 at the end of eight years
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