A steel part weighing 75 kg has a volume of 15 cubic dm. Determinant whether it has a cavity inside.
| December 14, 2020 | education
Given: m = 75 kg. V = 15 dm ^ 3 = 0.015m ^ 3
Analysis: p = m / V
Solution: p = 75kg / 0.015m ^ 3 = 5000 kg / m ^ 3 hence: (5000kg / m ^ 3 <7800kg / m ^ 3).
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