document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=573330>Question 573330</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help! My teacher taught me a fomrula to use, S=0*r (S=feta multiplied by the radius)...but it's just not making any sense! the quwstion is:<BR>\n" );
document.write( "The tip of a pendulum, after swinging through an arc of 2 1/2 radians, forms an arc whose length is 10 inches. Find the length of the pendulum. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #368741 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=368741\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The tip of a pendulum, after swinging through an arc of 2 1/2 radians, forms an arc whose length is 10 inches. Find the length of the pendulum.<BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "Arc length = radius*angle in radians<BR>\n" );
document.write( "10 = r*2.5<BR>\n" );
document.write( "r = 4 inches<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "Using radians makes it easy.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );