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Mathematics, 19.07.2019 20:10 michealbanks3

19. moonlight at high noon the fact that sunlight is ab- sorbed by water is well known to any diver who has dived to a depth of 100 feet. if 25 feet of water absorb 15% of the light that strikes the surface, at what depth will the light at noon be as bright as a full moon, which is 1/300,000th as bright as the noonday sun? see figure 2.12.

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19. moonlight at high noon the fact that sunlight is ab- sorbed by water is well known to any diver...
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