Density of the concrete

Find the density of the concrete of the cuboid-shaped column has dimensions of 20 x 20 cm x 2 m if the weight of the column is 200 kg.

Correct result:

h =  2500 kg/m3

Solution:

a=20 cm→ m=20/100  m=0.2 m b=20 cm→ m=20/100  m=0.2 m c=2 m  m=200 kg  V=a⋅ b⋅ c=0.2⋅ 0.2⋅ 2=225=0.08 m3  h=m/V=200/0.08=2500 kg/m3

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