7) Water is pumped at the rate of 275 m3/min from a lake into a tank on a hill 75.0 m above 7) the lake. (1 m3 = 1000 L) What power (in kW) must be delivered by the pump? b. What horsepower rating must this pump motor have? What is the increase in potential energy of the water each minute? Assuming 25% of the pump power is lost, what power (in kW) must be delivered by %3D a. C.

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A: Given R1=1.60Ω R2=4Ω R3=13.8Ω Voltage of source V=12 V

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A: Given value--- power = 15 kW. time = 3.5 min . We have to find--- work ?

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Q: 2. Are you doing work in these situations? Also a question from your PHYS1111 class.

A: Work done is force that cause a body to move. It is the product of force and displacement.

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Q: work is required to pump all the water over the top of the tank

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Q: A) Explain the Law of Conservation of Energy in the context of this problem.

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Q: wes the hos wer is requir

A: Given: Height is 32 m Diameter is 4 cm Mass is 1000 Kg

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Q: A pump is required to lift 800 kg (about 200 gallons) of water per minute from a well 10 meters deep…

A: Given data: Mass of water, m=800 kg Depth of well, h=10 m Speed, v=20 m/s

Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.