Internal energy of the system based problem
During a process 10J o work are performed on a system, while the system itself gives off 5J of heat. The internal energy of the system
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Determine the time required by a diesel-electric locomotive, which produces a constant drawbar pull of 60,000 lb, to increase the speed of an 1800 ton freight train from 20 mi/hr to 30 mi/hr up to 1-percent grade.
Each plate of a parallel-plate capacitor is a square of side 4.75 cm and the plates are separated by 0.415 mm. The capacitor is charged and stores 7.65 nJ of energy. Find the electric field strength inside the capacitor.
Cloud 9's salCLOUD 9 sales were $500,000 during 2005, and its year-end assets were $400,000. For 2006, sales are expected to grow by 5%,and since the firm is operating at full capacity, its assets must grow in proportion to sales.
Determine the power (kW) for the compressor if the inlet volumetric flow rate is 0.125 m3/s and the heat transfer through the shell of the compressor to the surroundings is 2.02 kW.
Saturated water vapor at 11.91 bar enters an insulated throttling valve which drops the pressure to 1.50 bar. Determine the temperature (oC) of the steam at the exit of the valve.
The Sable Co. is considering the introduction of a new product. Company management has prepared the following estimates related to the project as well as the related range of values, where applicable.
Saturated liquid refrigerant R-134a at 11.59 bar enters an adiabatic throttling valve which drops the pressure to 4.00 bar. Determine the quality (%) of the refrigerant at the exit of the valve.
A 2.0kg object is attached to a spring (k= 60.0N/m) that hangs vertically from the ceiling.The object is displaced 0.050m vertically. When the object is released, the system undergoes simple harmonic motion. What is the magnitude of the maximum ac
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