document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1117840>Question 1117840</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A pendulum is 105cm long and swings about one end through 5 degree on either side of the vertical. One complete swing (i.e. back to the starting point) takes 2 seconds.<BR>\n" );
document.write( "(a) Through what angle does the pendulum swing in one complete?<BR>\n" );
document.write( "(b) How far does the tip of the pendulum travel in 1 hour? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #733028 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=733028\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A pendulum is 105cm long and swings about one end through 5 degree on either side of the vertical. One complete swing (i.e. back to the starting point) takes 2 seconds.<BR>\n" );
document.write( "(a) Through what angle does the pendulum swing in one complete?<BR>\n" );
document.write( "10 degrees<BR>\n" );
document.write( "========================<BR>\n" );
document.write( "(b) How far does the tip of the pendulum travel in 1 hour?<BR>\n" );
document.write( "1 hr = 3600 seconds = 1800 cycles<BR>\n" );
document.write( "--> 18000 degrees = 50 revolutions.<BR>\n" );
document.write( "Circumference = 2pi*105 cm<BR>\n" );
document.write( "travel = 50*2pi*105 cm<BR>\n" );
document.write( "10500pi cm = 105pi meters<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );