document.write( "Question 1010554: The weight of an object varies inversely with the square of its distance from the center of the earth. If an object 8000 miles from the center of the earth weighs 90 pounds, find its weight when it is 12000 miles from the center of the earth. \n" ); document.write( "
Algebra.Com's Answer #626017 by josgarithmetic(39623)\"\" \"About 
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w, weight
\n" ); document.write( "d, distance
\n" ); document.write( "k, variation constant\r
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\n" ); document.write( "\n" ); document.write( "\"w=k%2Fd%5E2\", how the weight varies\r
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\n" ); document.write( "\n" ); document.write( "Assigned some values:
\n" ); document.write( "\"system%28d=8000%2Cw=90%29\"
\n" ); document.write( "Find k, first.
\n" ); document.write( "\"w%2Ad%5E2=k\"
\n" ); document.write( "\"k=90%2A8000%5E2\"
\n" ); document.write( "\"k=72%2A10%5E7\"
\n" ); document.write( "\"k=7.2%2A10%5E8\"\r
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\n" ); document.write( "\n" ); document.write( "More specific model is \"highlight%28w=%287.2%2A10%5E8%29%2Fd%5E2%29\".
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