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A raft is made of 10 logs lashed together. Each is 30cm in diameter and has a length of 5.5m. 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 specific gravity of wood is 0.60.

SG=0.60

r=1/2*30=15cm

I know

F/A = mg/A

F= mg =pAHg were p-->density

p=m/v

pressure=P=F/A

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# Homework Help: How many people can the raft hold physics problem

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