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college physics

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The deepest section of ocean in the world is the Mariana Trench, located in the Pacific Ocean. Here, the ocean floor is as low as 10,918m below the surface. If the index of refraction of water is 1.33, how long would it take a laser beam to reach the bottom of the trench?

  • college physics -

    You need to post some work. I will be happy to critique your thinking.

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