Find change in enthalpy for water associated with pump
A pump is used to supply water from a well to a municipal water system. At the well, the water is 10oC at 0 kPa (gage). Just after the pump, the water is at 10oC and 300 kPa (gage). Find the change in enthalpy for the water associated with the pump.
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If the 50 kg. crate starts from rest and attains a speed of 6m/s when it has traveled a distance of 15m. Determine the force P acting on the crate.
The Adams Company, a merchandising firm, has budgeted its activity for November according to the following information.
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If the seal will pop off when the force on it exceeds 7.92 N, what total height of water in the long arm will put the seal on the verge of popping?
Just after the pump, the water is at 10oC and 300 kPa (gage). Find the change in enthalpy for the water associated with the pump.
The shape of the distribution of the time required to get an oil change at a 15-minute oil-change facility is unknown. However, records indicate that the mean time is 16.2 minutes, and the standard deviation is 3.4 minutes.
An investor in a 28% tax bracket owns land that is a capital asset with a $50,000 basis and a holding period of three years. The investor wishes to sell the asset at a price high enough so that he will have $120,000 in cash after paying the taxes.
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A world-class sprinter can burst out of the blocks to essentially top speed (of about 11.5 m/s) in the first 15.0m of the race. What is the average acceleration of this sprinter, and how long does it take her to reach that speed?
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