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A 25-kg block of copper at initial temperature of 1500C equilibrates with 0.79 kg of liquid water at an initial temperature of 200C in an insulated tank. If the average specific heat of copper can be taken to be 0.395 kJ/kg.K, determine the final temperature.
two pieces of shafting 1-in. diameter are in line with each other and are joined together at the point where their ends
The acceleration of a particle is defined by the equation a = -k*sqrt(v), where k is a constant. When t=0, the initial position is xo=0 and the initial velocity is vo=81ft/s. Knowing that v =36ft/s when x=18ft, determine the velocity of the particle ..
a water drop of radius r1mm at ambient conditions 27c and 1atm is used to cool a computer chips hot spot. the chip is
a stationary radar operator determines that a ship is 19 km south of him. an hour later the same ship is 16 km
water is the working fluid in a cogeneration cycle that generates electricity and provides heat for campus buildings.
the power output of a steam turbine is 30 mw. determine the rate of steam flow in the turbine for saturated steam
The 'Tasty Morsels Chocolate Company' tracks the amount of chocolate found in its chocolate bars. The target is 26 grams and the upper and lower specifications are 29 and 23 grams, respectively. If their most recent X bar has a centerline of 25 and t..
a chemical rocket is used for launch into earth orbit. at the end of the combusion chamber the stagnation temperature
a 1.5 in-diameter bar has been machined from a steel 1050 su 100ksi sy 84ksi. this part is to withstand a fluctuating
consider a large 3 cm thick stainless steel in which heat is generated uniformly at a rate of 5106 wm3. assuming the
a cylinder of cross-sectional area a is divided inot tow chambers 1 and 2 by means of a frictionless piston. the piston
If a slider block C is fixed to the disk that has a constant counter clockwise angular velocity of 4 rad/sec, determine the angular velocity and angular acceleration of the slotted arm AB at the instant shown.
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