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)`).

An engine pumps 800 kg of water through height of 10 m in 80 s. Find the power of the engine if its efficiency is 75%

An engine pumps 800 kg of water through height of 10 m in 80 s. Find the power of the engine if its efficiency is 75%

An engine pumps 373 kg of water upto height of 16 m in 40 seconds. Rated power of engine if its efficiency is 80% is (1 horse power = 746 W and g =10 m/ s^2 )

An engine pumps 373 kg of water upto height of 16 m in 40 seconds. Rated power of engine if its efficiency is 80% is (1 horse power = 746 W and g=10 m/s^2 )

A pump lifts 5000kg of water per minute through a height of 12m. Find the power of the engine if 30 % of energy is wasted.

A pump lifts 373 kg of water to a height of 10m in 98s. Find the power of the pump. Express it in horsepower.

An engine can eject 6000 kg of water upwards at 15 m*s^(-1) , in 1 min . Find the power of the engine.

An engine pumps up 100 kg water through a height of 10 m in 5 s . If efficiency of the engine is 60% . What is the power of the engine? Take g = 10 ms^(2) .