A well 20 m deep and 7m in diameter is full of water. Calculate the work done in pumping the whole of water up to ground level.

A cubical vessel of height 1 m is full of water. What is the workdone in pumping water out of the vessel?

A cubical vessel of height 1 m is full of water. What is the workdone in pumping water out of the vessel?

A cubical vessel of height 1 m is full of water. What is the workdone in pumping water out of the vessel?

A well 20m deep and 3m is diameter contains water to a dept of 14m . How long will a 5 hp engine take to empty it ?

A well 20m deep and 3m in diameter contains water upto a depth of 14 m. How long will a 5 hP. engine take to empty it ?

A cubical vessel of height 1 m is full of water . What is the amount of work done in pumping water out of the vessel ? (Take g = 10 m S^(-2) )

A water tank on the ground with water upto a height of 20 m has a small orifice in its wall at a distance 10 m below the surface level of water. Then the horizontal distance from the hole at which the water touches the ground is

A water drop of diameter 2 mm is split up into 10^(9) identical water drops. Calculate the work done in this process. (the surface tension of water is 7.3xx10^(-2)Nm^(-1))