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Bullet moving at a velocity of 1000 m/s through air at sea-level conditions. What are the maximum temperature and pressure that could be measured on the bullet's surface? State your assumptions. Explain why you think this is a good estimate (or not). Compute the associated entropy change (if any).
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a piston-cylinder device initially contains 1.2 kg of steam with a volume of 0.2 m3. the mass of the piston is such
If the pipe is to be insulated with glass wool insulation (k=.05 W/m C) in order to decrease the temperature rise of water to .25 degrees C, determine the required thickness of the insulation.
Determine the molecular weight of a poly(ethylene-propylene) with a degree of polymerization of 25,000 given that 20% of the mers (by number) are ethylene and 80% are propylenel.
initially an insulated rigid tank contains 28.5 kg of water at 23.4oc and 101 kpa. the tank also contains a 3.14 kg
fluid mechanics problem a triangular shaped cylinder is enclosed in a container of oil and rotates at an angular
a mass of 4.0 kg of r-134a at p1140 kpa and t1 20 cis contained in a gas tight frictionless piston cylinder device. the
the masses of the bar and the disk are 5 kg and 10 kg respectively. the coefficient of kinetic frictionnbspbetween the
a piston-cylinder device containing air undergoes a polytropic compression process from 2 liters 300 kpa and 20 degc to
a rigid tank contains 1 kg of water at 90 degrees c. if 200 g of the water are in the liquid phase and the rest is
the fatigue data for a brass alloy are given as followsstress amplitude mpa -----------------cycles to failure310
a robot arm is lifting a large body. the mass of the body is 4.66 slugs its radius of gyration is .6667 ft and its
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