document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1178096>Question 1178096</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A hollow metal sphere is made of metal 4mm thick and has external diameter of 12cm. If the density of the metal is 8.8g/cm cube,what is the mass of the sphere  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #807256 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=807256\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
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document.write( "Volume of metal is External volume - Internal volume\r<BR>\n" );
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document.write( "= 4/3 * pi* r1^3-4/3 * pi r2 ^3\r<BR>\n" );
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document.write( "= 4/3 * pi * (r1^3-r2^3)\r<BR>\n" );
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document.write( "= 4/3 *3.14 * (6^3-5.6^3)\r<BR>\n" );
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document.write( "volume of metal = 169 cm^3<BR>\n" );
document.write( "density = 8.8 gm/cm^3\r<BR>\n" );
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document.write( "weight = 169.07 * 8.8 =1488 grams </SPAN>\n" );
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