A raft is made of 13 logs lashed together. Each is 37 cm in diameter and has a length of 5.

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A raft is made of 13 logs lashed together. Each is 37 cm in diameter and has a length of 5.6 m. How many people can the raft hold before they start getting their feet wet, assuming the average person has a mass of 70 kg? Do not neglect the weight of the logs. Assume the density of wood is 600kg/m

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