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Physics, 01.06.2021 22:40 alimfelipe
A cylindrical tank is 50.0 ft deep, in diameter, and filled to the top with water. A flashlight shines into the tank from above. What minimum angle φ can its beam make with the water surface and still illuminate part of the bottom?
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A cylindrical tank is 50.0 ft deep, in diameter, and filled to the top with water. A flashlight shin...
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