Find the energy the heater must provide to the water
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A pot of water is boiling on a stove supplying 325 W to the water. What is the rate of mass (kg/s) vaporization, assuming a constant pressure process?
A 1.2-kg pot of water at 20oC is put on a stove supplying 250 W to the water. How long will it take to come to a boil (100oC)?
Assume Berry collected $150,000 in receipts from the sale of memberships.
Assume the energy goes into the air of volume 1500 m3 initially at 300 K and 101 kPa. Find the rate (degrees per minute) of the air temperature change.
Find the energy the heater must provide to the water. Find the time the process will take, assuming uniform T in the water.
Lark Corporation uses the percentage-of-completion method of accounting for construction contracts.
A drag force on a car, with frontal area A = 2 m2, driving at 80 km/h in air at 20?C, is Fd = 0.225 A ?airV2. How much power is needed?
Prepare a schedule to determine the amount of loss that Wells Corporation should recognize for the current year.
The force is F = As and is measured to be 110 N. How much longer is the wire, and how much work was put in?
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