In the Figure,a Laser Positioned on a Ship Is Used

question 8

Multiple Choice

In the figure,a laser positioned on a ship is used to communicate with a small two-man 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 76 m deep and has an index of refraction of 1.33.How far horizontally is the submarine from the side of the ship?

• A) 84.1 m
• B) 64.1 m
• C) 104 m
• D) 74.1 m
• E) 94.1 m

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The total expense incurred in the manufacture of a product, including labor, materials, and overhead.

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The difference between sales revenue and the cost of goods sold, before deducting overhead, payroll, taxation, and interest payments.

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The remaining income after all expenses, taxes, and costs have been subtracted from total revenue.

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