The radius of the cylinder is the length that measures from the center to the parameter. The length of the cylinder is 1 cm.
What is Density?
The density of the given substance can be used as the measure of the mass and the volume of the substance.
Given,
Length of the aluminum cylinder = 5cm
Mass = 42 g
Density of aluminum = 2700 kg/ m³ = 2.7 gm/cm³
From the density the volume is calculated as:
Density = mass ÷ volume
2.7 = 42 ÷ V
V = 42 ÷ 2.7
= 15.56
The radius of the cylinder is calculated as:
(r) = √(V / π × h)
Here, V = 15.56, π = 3.14, h = 5 cm
Substituting values:
r = √(15.56 ÷ 3.14 × 5)
= √ (15.56 ÷ 15.7)
= 0.99
= 1
Therefore, 1 cm is the length.
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