Water is pumped out of a well 10 m deep by mean of a pump rated at 10 kW . Find the efficient of the motor if 4200 kg of water is pumped out every minutes . Take `g=10 ms ^(-2)`.

Water is pumped out of a well 10m deep by means of a pump rated at 10 kW. Find the efficiency of the motor if 4200 kg of water is pumped out every minute. Take g = 10m//s^2.

A motor of power 10 kW is used to pump water from a well 20 m deep . Calculate the efficiency of the motor if it pumps 200 kg of water every minute . Take g = 10 m//s^(2)

A pump of power 20 kW is used to jump out the water from a well 12 m deep . Calculate the efficiency of the pump if 5,000 kg of water is pumped out in 1 minute .

A pump on the ground floor of a building can pump of water to fill a tank of voilume 30 ms^(3) in 15 min . If the tank is 40m above the ground and the efficiency of the pump is 30 % , how much elertric power is consumed by the pump? ("Take" g = 10 ms^(2))

A 1-KW motor pumps out water from a well 10m deep. Calculate the quantity of water pumped out per second.

The power of a motor pump is 5 kW. How much water per minute the pump an raise to height of 20 m ? Take g = 10ms ^-2 .

An engine pumps 400 kg of water through height of 10 m in 40 s. Find the power of the engine if its efficiency is 80% (Take ,g =10 ms^(-2) ).