Calculate the power of an electric motor that can lift 800 kg of water to store in a tank at a height

What is the power of a pump which takes 10 seconds to lift 100 kg of water to a water tank situated at a height of 20 m? ( g = 10 m s^(-2) )

What is the power of an engine which can lift 600 kg of water per minute from 20 m deep well?

Calculate the power of an engine required to lift 10^5 kg of coal per hour from a mine 360 m deep.

Calculate the power of a crane in watts, which lifts a mass of 100 kg to a height of 10 m in 20 s .

An installation consisting of an electric motor driving a water pump left 75 L of water per second to a height of 4.7 m . If the motor consumes a power of 5 k W , then efficiency of the installation is

What is the power of a pump which can pump 300 kg of water to the terrace of a building of height 20m, in 10s?

The power of a pump, which can pump 500 kg of water to height 100 m in 10 s is

An installation consists of an electric motor which drives a water pump to lift 75 L of water per second to a height of 5m, where water is disbursed at neglible speed. If the motor consumes a power of 5 kW, then what is the efficiency (%) of the installation? [g = 10 ms^(-2)]

(a) What is the power of an engine which can lift 600 kg of coal per minut from a mine 20 m deep ? (b) A 2kW motor pumps out water from a well 10m deep. Calculated the quantity of water pumped out per second.