document.write( "Question 640893: If the magnitude of a vector is 7.0m/s and the x-component is 3.0m/s, what is the y-component? \n" ); document.write( "
Algebra.Com's Answer #403476 by Alan3354(69443)\"\" \"About 
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If the magnitude of a vector is 7.0m/s and the x-component is 3.0m/s, what is the y-component?
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\n" ); document.write( "If there are only 2 components,
\n" ); document.write( "\"y%5E2+=+7%5E2+-+3%5E2\"
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