The rate (per foot) at which light is absorbed as it passesthrough water is proportional
Chapter 11, Problem 13(choose chapter or problem)
The rate (per foot) at which light is absorbed as it passesthrough water is proportional to the intensity, or brightness,at that point.(a) Find the intensity as a function of the distance thelight has traveled through the water.(b) If 50% of the light is absorbed in 10 feet, how muchis absorbed in 20 feet? 25 feet?
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