document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=625856>Question 625856</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The blade on a table saw rotates at 3450 revolutions per minute. How much faster (in ft/sec) does a 12-in. -diameter blade strike a piece of wood than a 10-in. -diameter blade?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #393819 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=393819\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The blade on a table saw rotates at 3450 revolutions per minute. How much faster (in ft/sec) does a 12-in. -diameter blade strike a piece of wood than a 10-in. -diameter blade?<BR>\n" );
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document.write( "3450 rpm = 57.5 rev/sec<BR>\n" );
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document.write( "10\" : C = pi*d = 10pi inches = 5pi/6 ft<BR>\n" );
document.write( "--> (5pi/6)*57.5 ft/sec<BR>\n" );
document.write( "=~ 150.5 ft/sec<BR>\n" );
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document.write( "12\" : C = pi ft<BR>\n" );
document.write( "--> 57.5pi ft/sec<BR>\n" );
document.write( "=~ 180.6 ft/sec<BR>\n" );
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document.write( "The speeds are in the ratio 5 to 6, same as the blade sizes </SPAN>\n" );
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