SOLUTION: A solid ball of aluminum weighs 500 g, what is its radius?

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Question 217415: A solid ball of aluminum weighs 500 g, what is its radius?
Answer by Alan3354(21605) About Me  (Show Source):
You can put this solution on YOUR website!
A solid ball of aluminum weighs 500 g, what is its radius?
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Several references give the density of Al = 2.7 gm/cc
Volume = mass/density = 500/2.7 cc
Vol+=+4%2Api%2Ar%5E3%2F3
500%2F2.7+=+4%2Api%2Ar%5E3%2F3
125+=+0.9%2Api%2Ar%5E3
r%5E3+=+125%2F%280.9%2Api%29
r%5E3+=+44.2097 (approximate)
r =~ 3.536 cm