document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=295386>Question 295386</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A helicopter blade is 2.75 m long and is rotating at 420 rpm. What is the linear velocity of the tip of the blade? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #212876 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=212876\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The circumference of the circle traced out by the edge of the blade is given by<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C=2%2Api%2AR=2%2Api%2A2.75=5.5%2Api ALIGN=MIDDLE  ALT=\"C=2%2Api%2AR=2%2Api%2A2.75=5.5%2Api\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "It travels this circumference 420 times each minute.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=V=5.5%2Api%2A420=2310%2Api ALIGN=MIDDLE  ALT=\"V=5.5%2Api%2A420=2310%2Api\"   DISABLED_style= \"max-width:90%; height:auto;\" > with units of meters/min.<BR>\n" );
document.write( "V=7257 meter/min*(1 min/60 sec)=121 m/s or about 271 mph.  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );