Mathematics, 09.09.2021 18:00, xxaurorabluexx

Piggy remembers that, if it was a perfect sphere, the earth would curve 8 inches for every mile away from a given point. Ralph, who had relatives in the Navy, know that the deck of a destroyer stands about 30 feet off the water. How high off the ground will the fire have to reach, to be seen 50 miles away, on a perfectly calm ocean? How high will the fire have to reach if the ocean has to foot waves, which would lift the boat?

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Piggy remembers that, if it was a perfect sphere, the earth would curve 8 inches for every mile away...