Q: An object is made of two equal parts by volume; one part has density ρ₀ and the other part has density 2ρ₀. What is the average density of the object?
(a)3ρ₀
(b)3⁄2 ρ₀
(c)ρ₀
(d)1⁄2 ρ₀
Correct Answer: (b)
Detailed explanation coming soon.
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