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Depth The sonar of a navy cruiser detects a submarine that is 4000 feet from the
Chapter 4, Problem 21(choose chapter or problem)
QUESTION:
Depth The sonar of a navy cruiser detects a submarine that is 4000 feet from the cruiser. The angle between the water line and the submarine is \(34^{\circ}\) (see figure). How deep is the submarine?
Questions & Answers
QUESTION:
Depth The sonar of a navy cruiser detects a submarine that is 4000 feet from the cruiser. The angle between the water line and the submarine is \(34^{\circ}\) (see figure). How deep is the submarine?
ANSWER:Step 1 of 2
Let us assume that the submarine is at a depth of “d” feet under the surface of the sea( from cruiser). The angle between the water line and the submarine is 34 degrees.
Let's draw a vertical line from submarine to the water level,