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Research submarine resting on the bottom of a lake

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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 40 m deep and has an index of refraction of 1.33. How far horizontally is the submarine from the side of the ship?

Reference no: EM131059516

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