document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=181844>Question 181844</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The weight of a body above the surface of the Earth varies inversely as the square of the distance of the body from the center of gravity of the Earth.  Is an astronaut weighs 180 lb on the surface of the Earth, how much would she weigh 500 miles above the surface of the Earth?  Assume the radius of the Earth to be 4000 miles.\r<BR>\n" );
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document.write( "the answer is 142 lb.....but I have no clue to the steps to take to solve this problem...Please explain your steps.. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #136448 by </B><A HREF=/tutors/aboutme.mpl?userid=vleith><B>vleith(2983)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=vleith><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=136448\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You are told that a person's weight varies with the square of their distance to the center of the Earth. Let C be some constant.\r<BR>\n" );
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document.write( "At 4000 miles from the center of the earth (on the surface) you weigh<BR>\n" );
document.write( "You are told <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=180+=+C%2F%284000%29%5E2 ALIGN=MIDDLE  ALT=\"180+=+C%2F%284000%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=180%2A4000%5E2+=+C ALIGN=MIDDLE  ALT=\"180%2A4000%5E2+=+C\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2880000000+=+C ALIGN=MIDDLE  ALT=\"2880000000+=+C\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Now solve for the weight at 4500 miles (500 miles above the earth)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w+=+2880000000%2F%284500%29%5E2 ALIGN=MIDDLE  ALT=\"w+=+2880000000%2F%284500%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w+=+142.2 ALIGN=MIDDLE  ALT=\"w+=+142.2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
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