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Two spheres are cut from the same rock, so they have equal densities. The first sphere’s...

Two spheres are cut from the same rock, so they have equal densities. The first sphere’s radius is 6 cm. The second sphere is 8 times more massive than the first. What is the radius of the second sphere?

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2 8 ( 2. 2= 2(6) 12 m

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