Explain the difference between dry friction and drag due to fluid friction

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?

Tell whether the two rates form a proportion

Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.