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Natali
3 months ago
9

Find the radius of an aluminum cylinder that is 2.00 cm long and has a mass of 12.4 g.

Mathematics
2 answers:
Svet_ta [12.7K]3 months ago
7 0
To find the volume of an aluminum cylinder with a mass of 12.4 g and a length of 2.00 cm:
V = π r² L
Density of aluminum is 2.7 g / cm³
Therefore, V = 12.4 g: 2.7 g/cm³ ≈ 5 cm³
5 = 3.14 · r² · 2
r² = 5: 6.28
r² = 0.796
r = √0.796
Thus, the radius of the aluminum cylinder is 0.9 cm.
Answer:
The radius of an aluminum cylinder is 0.9 cm.
tester [12.3K]3 months ago
7 0
Your answer will be: the radius measures 4m
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