Calculate 8881

A solid wooden ball made of beech wood weighs 800 g. Calculate its diameter if the wood density is pi = 750 kg/m3

Correct answer:

D =  12.6768 cm

Step-by-step explanation:

m=800 g h=750 kg/m3 g/cm3=750:1000  g/cm3=0.75 g/cm3  m = h V  V=m/h=800/0.75=332001066.6667 cm3  V = 34 π r3  r=33 V/4/π=33 1066.6667/4/3.14166.3384 cm  D=2 r=2 6.3384=12.6768 cm

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