Calculate 81947

Calculate the mass of a cube with an edge of 15 cm made of oak wood with a density of ρ = 800 kg/m3.

Correct answer:

m =  2.7 kg

Step-by-step explanation:

a=15 cm ρ=800 kg/m3  V=a3=153=3375 cm3  V1=V m3=V:1000000  m3=3375:1000000  m3=0.00338 m3  m=ρ V1=800 0.0034=2.7 kg

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