Calculate 47933

Calculate the weight of the steel roller if d = 2.4 cm, height v = 5.6 cm, density ρ = 8 g / cm3.

Correct answer:

m =  202.6704 g

Step-by-step explanation:

d=2.4 cm v=5.6 cm ρ=8 g/cm3  r=d/2=2.4/2=56=1.2 cm V=π r2 v=3.1416 1.22 5.625.3338 cm3  m=ρ V=8 25.3338=202.6704 g

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