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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.
Steady-state temperature distribution in a rod with heat generation can be represented by the following differential equation: d^2T/dx^2+[-0.1+0.25sin((pi*x)/5)]T=0 where x = distance along the rod [m] and T is the temperature [K]. Obtain a solution ..
saturated water vapor in a closed sysytem is condensed by cooling it at constant pressure to a saturated liquid at
A car accelerates uniformly rest to 81 ft/s over a distance of 700 ft along a curve of 800ft radius .Determine the magnitude of the total acceleration at the instant that speed of 81ft is reached.
1:Given a specific social movement (such as suffrage, civil rights, or gay rights), analyze how the arts interpreted and responded to the social phenomena.
a rigid closed tank of volume 3 m3 contains 5 kg of wet steam at a pressure of 200 kpa. the tank is heated until the
the lowest temperature that has been achieved is about 1 times 10-6 k. to achieve this an additional stage of cooling
a truck starts from rest and travels with a constant acceleration of 1.5 fts2. after a time t it maintains a constant
If a super alloy jet engine is heated so that its length in each direction expands by 1%, what is its percentage change in volume (assume it is roughly cubic)?
a four-cylinder engine with a 9.5-cm bore and an 8.75-cm stroke has a 7 clearance. the engine rotates at 2500 rpm. the
Determine the force in each member below by using the methods of joints. one force is 4kN at 30 degrees at the tip of the first triangle, and another 3kN force is vertical at the opposite tip of the first triangle.. There are 8 members composed of 4 ..
the space between two horizontal parallel flat plates 0.5 cm apart is filled with oil of viscosity ?micro 0.05 kgm.s.
how long will it take the puck to slow down to a speed of 1m/s and how long will it take for the puck to stop completely? How far will the puck travel before it slows to 1m/s? You can assume the table is very very long.
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