document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1009839>Question 1009839</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A truck with 18-in.-diameter wheels is traveling at 45 mi/h. <BR>\n" );
document.write( "(a) Find the angular speed of the wheels in rad/min, *hint convert miles to inches & hours to minutes: ____________rad/min <BR>\n" );
document.write( "(b) How many revolutions per minute do the wheels make?____________rad/min </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #625470 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=625470\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A truck with 18-in.-diameter wheels is traveling at 45 mi/h. <BR>\n" );
document.write( "----<BR>\n" );
document.write( "(b) How many revolutions per minute do the wheels make?<BR>\n" );
document.write( "45 mi/hr = 66 ft/sec = 3960 ft/minute<BR>\n" );
document.write( "Each revolution moves the truck the circumference, C = pi*d = 1.5pi feet<BR>\n" );
document.write( "Rev/min = 3960/(1.5pi) = 2640/pi<BR>\n" );
document.write( "------------------------------<BR>\n" );
document.write( "(a) Find the angular speed of the wheels in rad/min<BR>\n" );
document.write( "= 2pi*rpm<BR>\n" );
document.write( "= 5280 rad/minute<BR>\n" );
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document.write( "Hint: we don't need hints </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );