A sphere with a mass of 12 g has a radius measuring 2 cm. What is its density? 0.36 g/cm3 1.43 g/cm3 6 g/cm3 24 g/cm3
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Answer A is correct, I believe.
(0.36 g/cm^3.)
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0
Density of sphere is 0.357 g/cm³ (approx 0.36 g/cm³)
Given:
Mass of the sphere = 12 g
And radius of sphere r = 2 cm
To find:
Density of the sphere
Solution:
The formula for density is given by ρ = m /v
where ρ - density of sphere
m - mass of sphere
V - volume of sphere
We know mass of sphere = 12 g
Now find volume of sphere
Volume of sphere with radius (r) =
⇒ Volume of given sphere = = 33.52
= (1.333)(3.14)(8) = 33.52 cm³
Density of sphere = 12 / 33.52 = 0.357 g/cm³ (approx 0.36 g/cm³)
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