How does the water pressure change at the bottom of the tank when an inflated ball is placed on the surface of the water, if: a) the tank is half full; b) Is the tank filled to the top with water?
a) The water pressure at the bottom will increase, since the height of the water column in the tank will increase, b) The pressure at the bottom will not change, since the height of the water column in the tank will not change, since part of the water is poured out.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.