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Suppose that water at room temperature of 27°C is put into an ideal refrigerator that maintains an inside temperature of -2°C. What is the cost of making 112 lb (50.4 kg) of ice if electricity costs $0.06 per kilowatt-hour?
a 20 kg object is pulled across a flat surface with a force of 100 n. the force is applied at a 30deg angle to the
Mainframe computing used to be the only way to manage enterprise data. Then personal computers changed the data management scene. How do these two computing styles differ, and how did shift to PC-based computing evolve.
the parallelogram linkage shown moves in the vertical plane with the uniform 8-kg bar ef attached to the plate at e by
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what will be the final temperature in the tank? how much work will be accomplished over the course of the entire process?
the tank is being filled with water by two one-dimensional inlets.nbspthe water height is h. a find an expression for
heat is uniformly generated at a rate of 2x105 wm3. in a wall of thermal conductivity k 25 wmk and thickness 60mm. the
describe fully what happens when you cools down a melt of 40mol nio-60mol mgo. give the compositions of the phases and
a cylindrical duct supplies 1.20 kgs of combustion air at 150 c and 95.0 kpa to a furnace. if the velocity of the air
consider a light single-engine airplane such as the piper super cub. if the maximum gross weight of the airplane is
two 150lb engineering students a and b intend to jump off the bridge from rest using an elastic cord bungee cord having
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