document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=472766>Question 472766</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many revolutions per second will a bicycle make at the rate of 10km per hour, if the radius is 2 ft? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #324112 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=324112\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How many revolutions per second will a bicycle make at the rate of 10km per hour, if the radius is 2 ft?<BR>\n" );
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document.write( "2ft radius is a big wheel.<BR>\n" );
document.write( "2 ft = 60.96 cm<BR>\n" );
document.write( "Circumference = 2*pi*60.96 = 121.92pi cm per rev = 1.2192pi meters/rev<BR>\n" );
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document.write( "10 km/hr = 10000 m/hr = 10000/3600 m/sec = 25/9 m/sec<BR>\n" );
document.write( "--> (25/9) m/sec / 1.2192pi m/rev<BR>\n" );
document.write( "= ~ 0.72522 rev/sec<BR>\n" );
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