document.write( "Question 966306: The windshield wiper of a car is 18 inches long. If it takes 1 second to trace out 1/3 revolution, how fast is the tip of the wiper moving? \n" ); document.write( "
Algebra.Com's Answer #590694 by ankor@dixie-net.com(22740)\"\" \"About 
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The windshield wiper of a car is 18 inches long.
\n" ); document.write( " If it takes 1 second to trace out 1/3 revolution, how fast is the tip of the wiper moving?
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\n" ); document.write( "Find the cicumference, like the 18\" windshielf wiper made a complete revoluton
\n" ); document.write( "\"C+=+2%2Api%2A18\"
\n" ); document.write( "C = 113.1 inchec
\n" ); document.write( "Find 1/3 of a revolution
\n" ); document.write( "\"113.1%2F3\" = 37.7\", the distance moved by the wiper in 1 sec
\n" ); document.write( "there
\n" ); document.write( "37.7 in/sec is the speed of the tip of the wiper
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