A hard wood cylinder of radius 2.0 cm and length 75 cm weighs 800 g. Calculate the density of wood in kg/m³.
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A hard wood cylinder of radius 2.0 cm and length 75 cm weighs 800 g. Calculate the density of wood in kg/m³.
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Step-by-step explanation:
Given :
Radius (r) = 2 cm
Length (l) = 75 cm
Mass (m) = 800 g
To find :
Density in Kg/m³ (ρ).
Solution :
V = πr²l
ρ = m/V
ρ (Kg/m³) = 0.848484 × 1000
∴ Density of the wood is 848.5 Kg/m³.
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Vermiculite is a hydrous phyllosilicate mineral which undergoes significant expansion when heated. Exfoliation occurs when the mineral is heated sufficiently, and commercial furnaces can routinely produce this effect. Vermiculite forms by the weathering or hydrothermal alteration of biotite or phlogopite