In the Figure, a Laser Positioned on a Ship Is

question 38

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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Real Interest Rate

The interest rate that has been adjusted to remove the effects of inflation to reflect the true cost of funds to the borrower and the real yield to the lender.

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