Answer:
The length of the waterline when hull speed is 4 knots per hour in feet is 2.985 feet.
Explanation:
Let the function
, where
is the length of the waterline, measured in feet and
is the hull speed of the boat, measured in knots per hour. If we know that
, then the length of the waterline is:
![l = (h)/(1.34)](https://img.qammunity.org/2022/formulas/mathematics/high-school/f8ohbsiy5c04zm1o3kii0lmaa7duvctais.png)
![l = (4)/(1.34)](https://img.qammunity.org/2022/formulas/mathematics/high-school/3zsbntnqsscnjn3qku75wbtimv5wl9jlxm.png)
![l = 2.985\, ft](https://img.qammunity.org/2022/formulas/mathematics/high-school/pp1v8w2dote5ougx26hf6zybbiaea6mv8t.png)
The length of the waterline when hull speed is 4 knots per hour in feet is 2.985 feet.