A `30m` deep well is having water upto `15 m`. An engine evacutes it in one hour . The power of the engine. If the diameter of the well is `4m` is

A 30m deep well is having water up to 15 m . An engine evacuates it in one hour . The power of the engine. If the diameter of the well is 4m is

A 25 m deep well contains water upto 15 m . An engine evacuates the well in 1.5 hrs . If the diameter of the well is 2 m ,calculate the power of the engine .

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 lifts 200kg of metal to a vertical height of 30 m in one minute.Find the horsepower of the engine.

A 14 m deep well with inner diameter 10 m is dug and the earth taken out is evenly spread all around the well to form an embankment of width 5 m. Find the height of the embankment.

An automobile engine of mass m accelerates and a constant power P is applied by the engine. The instantaneous speed of the engine will be

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%

A river 1.5 m deep and 30 m wide is flowing at the rate of 3km per hour. The volume of water that rums into the sea per minute is