Material 65504

The cube with an edge of 1 cm weighs 0.2 kg. What is the weight of a cube made of the same material with an edge 4 cm long?

Correct answer:

m2 =  12.8 kg

Step-by-step explanation:

m1=0.2 kg a=1 cm b=4 cm  V1=a3=13=1 cm3 V2=b3=43=64 cm3  k=V2/V1=64/1=64  m2=k m1=64 0.2=12.8 kg

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