What is the density of a rock, a fragment of which with a volume of 0.03 m3 has a mass of 81 kg?
| July 13, 2021 | education
These tasks: V (volume of a rock fragment) = 0.03 m3; m (mass of the fragment) = 81 kg.
The density of the rock under consideration can be determined by the formula: ρ = m / V.
Let’s calculate: ρ = 81 / 0.03 = 2700 kg / m3.
Answer: The rock in question has a density of 2700 kg / m3.
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