document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1153048>Question 1153048</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The force of attraction between the earth and some object is called the weight of that object. The law of gravitation states, then, that the weight of an object is inversely proportional to the square of its distance from the centre of the earth. If a person weighs 190 lb on the surface of the earth (assume this to be 3960 mi from the centre), how much will he weigh 1800 mi above the surface of the earth?\r<BR>\n" );
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document.write( "Round your answer to the nearest integer.\r<BR>\n" );
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document.write( "Weight 1800 mi above the surface = </SPAN>\n" );
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document.write( "...,  the weight of an object is inversely proportional to the square of its distance from the centre of the earth. <BR>\n" );
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document.write( "d, distance from center<BR>\n" );
document.write( "w, weight of object<BR>\n" );
document.write( "k, variation constant\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w=k%2Fd%5E2 ALIGN=MIDDLE  ALT=\"w=k%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=k=w%2Ad%5E2 ALIGN=MIDDLE  ALT=\"k=w%2Ad%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " If a person weighs 190 lb on the surface of the earth (assume this to be 3960 mi from the centre),...<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k=190%2A3960%5E2 ALIGN=MIDDLE  ALT=\"k=190%2A3960%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=k=2979504000 ALIGN=MIDDLE  ALT=\"k=2979504000\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Model equation is   <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28w=2979504000%2Fd%5E2%29 ALIGN=MIDDLE  ALT=\"highlight_green%28w=2979504000%2Fd%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "Your question has  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d=3960%2B1800 ALIGN=MIDDLE  ALT=\"d=3960%2B1800\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w=2979504000%2F%283960%2B1800%29%5E2 ALIGN=MIDDLE  ALT=\"w=2979504000%2F%283960%2B1800%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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