document.write( "Question 227573: The fastest speed of a ball that has been served in tennis is 222km/h. How long would it have taken the ball to travel 24 meters? give answer in seconds correct to 2 significant figures. \n" ); document.write( "

Algebra.Com's Answer #169080 by josmiceli(19441) $\"\"$ $\"About$

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$\"d+=+r%2At\"$
\n" ); document.write( " $\"t+=+d%2Fr\"$
\n" ); document.write( " $\"t+=+24%2F222000\"$
\n" ); document.write( " $\"t+=+.00010810811\"$ hr
\n" ); document.write( " $\".00010810811\"$ hr x $\"3600\"$ sec/hr = $\".39\"$
\n" ); document.write( "The ball travels 24 meters in .39 sec\r
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