document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1032109>Question 1032109</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The gravitational force, F, between an object and the Earth is inversely proportional to the square of the distance from the object to the center of the Earth.  If an astronaut weighs 222 pounds on the surface of the Earth, what will this astronaut weigh 200 miles above the Earth?  Assume that the radius of the Earth is 4000 miles.  (Round off your answer to the nearest pound.)  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #646762 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=646762\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The working equation would be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=F+=+k%2Fd%5E2 ALIGN=MIDDLE  ALT=\"F+=+k%2Fd%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >, for some undetermined constant.\r<BR>\n" );
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document.write( "To find k, We substitute the initial conditions in to the working equation:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=222+=+k%2F4000%5E2 ALIGN=MIDDLE  ALT=\"222+=+k%2F4000%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > ==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k+=+3.552+%2A+10%5E9 ALIGN=MIDDLE  ALT=\"k+=+3.552+%2A+10%5E9\"   DISABLED_style= \"max-width:90%; height:auto;\" > lb-mi^2.\r<BR>\n" );
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document.write( "==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=F+=+%283.552+%2A+10%5E9%29%2Fd%5E2 ALIGN=MIDDLE  ALT=\"F+=+%283.552+%2A+10%5E9%29%2Fd%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=F+=+%283.552+%2A+10%5E9%29%2F4200%5E2+=+201.36 ALIGN=MIDDLE  ALT=\"F+=+%283.552+%2A+10%5E9%29%2F4200%5E2+=+201.36\"   DISABLED_style= \"max-width:90%; height:auto;\" > pounds, or 201 pounds to the nearest pound. </SPAN>\n" );
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