Oak cuboid

Oak timber is rectangular shaped with dimensions of 2m, 30 cm and 15 cm. It weight is 70 kg. Calculate the weight 1 dm³ of timber.

Correct result:

m =  0.7778 kg

Solution:

V1=20⋅ 3⋅ 1.5=90 m1=70 m=m1/V1=70/90=79=0.7778 kg

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