The radius of a well is 7 m. Water in it is at a depth of 20 m and depth of water column is 10m. Work done in pumping out water completely from the well is, (g=10 ms^(-2))

The radius of a well is 7 m. Water in it is at a depth of 20 m and dep

1.	The radius of a well is 7 m. Water in it is at a depth of 20 m and depth of water column is 10m. Work done in pumping out water completely from the well is, (g=10 ms^(-2))
Answer» 38.5 MJ 38.5 KJ 46.2 MJ 385 MJ ANSWER :D