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17-02-2021
Mathematics

contestada

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

Respuesta :

17-02-2021

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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