- #1
Akash47
- 53
- 5
Homework Statement
A well has a diameter of 6 m and a height of 15 m.2/3 of volume of the well is filled with water.A pump can vacate 1/3 of volume of water from the well in 7 minutes 20 seconds.What is the power of the pump?
Homework Equations
W=mgh, P=W/t
The Attempt at a Solution
The question can be solved easily by using the given equations.But I don't know how I will find the mean displacement of center of gravity.Actually I don't have any idea about this (the part in bold line).So I want a clear concept about it.