A diver is 7ft above water. The diver descends 12ft in total. The water is ____ feet deep water.

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Detailed Solution

Concept: The level of water is 5 feet deep.
The height from which the diver will fall or jump into the sea has already been specified in the question. This height is specified as seven feet. Additionally, the diver descends a total of twelve feet from the point of his jump to the deepest point underwater. This is the total distance covered by the diver throughout his free fall, first with only the force of gravity pushing on him and then underwater with both gravity and the buoyant force of the water acting on him.
We must deduct the height at which the diver is standing above the water from his total descent after jumping in order to determine how deep the diver is in the water. The following can be written:
Water depth equals (total descend) - (Height above the water surface)
It is stated in the issue:
Total drop: 12 feet
7 feet tall above the water's surface
As a result, the underwater depth is equivalent to:
=12ft-7ft=5ft.
Hence, answer is 5ft.

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