Diameter 24181

What is the weight of a lead ball with a diameter of 3 cm if the density of lead is 11340 kg/m cubic?

Correct answer:

m =  160.3155 g

Step-by-step explanation:

D=3 cm ρ=11340 kg/m3 g/cm3=11340:1000  g/cm3=11.34 g/cm3 r=D/2=3/2=23=1.5 cm  V=34 π r3=34 3.1416 1.5314.1372 cm3  m=ρ V=11.34 14.1372=160.3155 g

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