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Suppose 550 g of aluminum which has been heated to 150 C is added to 100 g of water which is at a temperature of 25 C. What is the equilibrium temperature for this mixture? What temperature results from mixing 550 g of aluminum at 150 C with 100 g of water at 25 C? The specific heat of copper is 387 J/kg K. T final = ( show work please)
What is the angular velocity Wcd (t)?
a viscous incompressible newtonian fluid flows down a vertical wall. the liquid is exposed to atmospheric pressure and
consider two flat plates seperated by a distance of 0.25 in. in this application castor oil is used as a lubricant. the
The tank air pressure above the water level is 300kPa(absolute) while the atmospheric pressure is 100kPA. Neglecting frictional effects, determine the initial discharge rate of water from the tank.(Density of water=1000kg/m^3)
for a separations process it is necessary to determine the vapor-liquid equilibrium compositions of a mixture of a and
the 80-lb boy and 60-lb girl walk towards each other wit a constant speed on the 300-lb cart. if their velocities
the coefficient of restitution is 0.9 between the two 60-mm-diameter billiard balls a and b. ball a is moving in the
a copper specimen is cold worked at room temperature and annealed at 100-400c. draw schematic sketches showing how
a 1500 lb crate is pulled along the around at a constant speed for a distance of 25ft using a cable that makes an andle
a horizontal cantilever of length l supports a load w uniformly distributed along its length. the cantilever is proped
determine the final temperature °R, and the final pressure in lbf/in^2. Rair = 53.33 ft·lbf/lb·°R. Assume ideal gas behavior and solve problem using.
two streams of r-134a flow into a non-insulated diffuser. stream 1 enters at a pressure of 2 bar and 20?c state1 with a
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