I need to find the height of the instructor's head above the water for the first part. The second part I need to find the apparent depth of the diver under the water

I need to find the height of the instructors head above the water for the first part The second part I need to find the apparent depth of the diver under the wa class=
I need to find the height of the instructors head above the water for the first part The second part I need to find the apparent depth of the diver under the wa class=
Q&A Education