Clades - cylinder

What is the weight of twenty spruce clades (cylinder shape), which have a diameter of 30 cm and are 4 m long?

Correct answer:

m =  2544.69 kg

Step-by-step explanation:

n=20 D=30 cm m=30:100  m=0.3 m l=4 m ρ=450 kg/m3  r=D/2=0.3/2=203=0.15 m V=π r2 l=3.1416 0.152 40.2827 m3 V2=n V=20 0.28275.6549 m3  m=ρ V2=450 5.6549=2544.69 kg



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