Textbook ExpertVerified Tutor
6 Nov 2021
Given information
Step-by-step explanation
Step 1.
The vertex of the parabola is at origin and passing through point .
Therefore, the equation of the parabola is .
Substitute values of from the given point
Solving for ,
Hence,
That is
Therefore, .
Each circular disk has radius and is moved .
And water weighs