As Shown in the Figure, a Laser Positioned on a Ship

question 86

Multiple Choice

As shown in the figure, a laser positioned on a ship is used to communicate with a small research submarine resting on the bottom of a lake. The laser is positioned 12 m above the surface of the water, and it strikes the water 20 m from the side of the ship. The water is 58 m deep and has an index of refraction of 1.33. How far horizontally is the submarine from the side of the ship? (Assume all numbers are accurate to three significant figures.)

• A) 69 m
• B) 49 m
• C) 89 m
• D) 59 m
• E) 79 m

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Definitions:

Bar Graphs

A visual representation of data using bars of varying heights or lengths to show the values of different categories.

Leaf

In botany, this refers to the flat, thin plant organ specialized for photosynthesis; in data visualization, particularly in a "tree" structure, it represents an endpoint or a data point that does not branch out further.

Stem

In data visualization, the ‘stem’ refers to a part of a stem-and-leaf plot, which represents the leading digits of the data points, while the leaves represent the final digits.

Leaf

In the context of a stem-and-leaf plot, represents the last digit of a number and is used to visualize data distributions.