what is the density of a pine log if the weight is 42.63 lbs, radius 5 in, length 30in

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what is the density of a pine log if the weight is 42.63 lbs, radius 5 in, length 30in

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Bình An 4 years 2021-07-30T10:45:56+00:00 1 Answers 22 views 0

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  1. linhdan
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    2021-07-30T10:47:54+00:00
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    Answer:

    Step-by-step explanation:

    density is weight divided by volume. And the volume of a log is like a cylinder.

    V=hpi(r^2) in this case

    V=25(30)pi=750pi so

    d=(42.63)/(750pi)

    d=0.018 lb/in^3

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