Question

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

Answer 1

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