Find power required to get work done at constant velocity
A 1 ton car is climbing a 200 m long uphill road with a slope of 30° from horizontal. What is the power required to get the work done in 15 seconds at a constant velocity?
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What are the charge density and total charge on each plate? Draw the equipo- tential surfaces at 0.10 V and 0.20 V.
During a certain process the specific hea capacity of the system is given by cn=(0.4+0.004(T-273))kj/kg-k. temprature is measured in degress k.
What is the specific gas constant for this gas in (j/kg-k), initial mass of the O2, final mass of O2, chang in total internal energy contained in the cylinder.
The inlet area of the compressor is 130 CM^2. Assuming surrounding to be 25C find:the reversible power in kw and the entropy generation in kw and irreveribility in kw.
The cost of electricity is 10 cents per kWh. What is the yearly electricity cost of this refrigerator, assuming that it runs only half the time?
Water is pumped from a lake to a storage tank 40 m above at a rate of 55 L/s, while consuming 22.6 kW of electric power to run the motor. Determine the overall efficiency of the motor-pump unit.
A hydraulic power generation (turbine-generator) plant is installed at a site 200 m below the free surface of a large water reservoir that can supply water at a rate of 3800 kg/s steadily.
What are the sources of error in your system? How can you minimize the experimental error? How would you modify this system to determine the specifi heat of a solid?
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