Posted by **please help with these practice problems** on Saturday, July 20, 2013 at 7:22pm.

What is the smallest number of whole logs (ñ = 725 kg/m3, radius = 0.0556 m, length = 3.80 m) that can be used to build a raft that will carry four people, each of whom has a mass of 73.0 kg?

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