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Air is cooled as it flows through a 20-cm-diameter duct. The inlet conditions are Ma1= 1.2, T01= 350 K, and P01 =240 kPa and the exit Mach number is Ma2= 2.0. Disregarding frictional effects, determine the rate of cooling of air.
Ship A leaves port sailing in a direction 60 degree C north of due east and sails for 12 hours at 10 knot . Sheep B leaves the same port 3 hours later and sails due east at 25 knot for 9 hours. How far apart (in nautical miles) are they at this time?..
For simplicity assume the catapult consists of the piston-cylinder geometry (with the piston as the projectile) and that it is positioned horizontally. The steam initially occupies a volume of 1 liter at a pressure of 200 kpa.
Determine vertical component of the reaction Ay at the pinned support A if applied moment M is 82 lb-ft and the weight of the cylinder is 43 lb. Sign convention is upward positive and downward negative. Be sure to include units in pounds as part ..
the cost and revenue associated with producing a sustainable component are fixed costs = $112,500. Variable costs = $30 / unit. Revenue = $45 / unit. How many units must the company sell each year to breakeven
The tube is attached at B to a rigid plate that is itself attached at C to the bottom of an aluminum cylinder (E= 72 GPa) with a cross-sectional area of 250 mm^2.
A passive solar house that is losing heat is outdoors at an average rate of 50,000 kJ/h is maintained at 22oC at all times during a winter night for 10h. the house is to be heated by 50 glass containers each containing 20 L of water this is heated to..
A space is at a temperature of 75 F, and the relative humidity is 45 percent. find the partial pressures of the air and water vapor
The propellers of a ship are connected to an A-36 steel shaft that is 60m long and has an outer diameter of 340mm and inner diameter of 260mm
Plot the concentration of tracer at the outlet of the each of the two reactors during the first 24 hours of the tracer study. (Hint: You may need to use mass balances to obtain equations that predict the concentration of tracer as a function of time)
The plug has a diameter of 30 mm and fits within a rigid sleeve having an inner diameter of 32 mm. Both the plug and the sleeve are 50 mm long. Determine the axial pressure p that must be applied to the top of the plug to cause
determine the elastic elongation that would be expected for a 16-mm-diameter rod of the same material if the rod were 1.6 m long and subjected to a tension force of 3.3 kN.
Find e1, e2, e3 and deflections at those points
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