document.write( "Question 217415: A solid ball of aluminum weighs 500 g, what is its radius? \n" ); document.write( "

Algebra.Com's Answer #163950 by Alan3354(69443) $\"\"$ $\"About$

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A solid ball of aluminum weighs 500 g, what is its radius?
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\n" ); document.write( "Several references give the density of Al = 2.7 gm/cc
\n" ); document.write( "Volume = mass/density = 500/2.7 cc
\n" ); document.write( " $\"Vol+=+4%2Api%2Ar%5E3%2F3\"$
\n" ); document.write( " $\"500%2F2.7+=+4%2Api%2Ar%5E3%2F3\"$
\n" ); document.write( " $\"125+=+0.9%2Api%2Ar%5E3\"$
\n" ); document.write( " $\"r%5E3+=+125%2F%280.9%2Api%29\"$
\n" ); document.write( " $\"r%5E3+=+44.2097\"$ (approximate)
\n" ); document.write( "r =~ 3.536 cm
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