document.write( "Question 681889: A pendulum swings through an angle of 20 degrees each second. The tip moves 5 inches each second. How long is the pendulum ? State your answer correct to one decimal place. \n" ); document.write( "
Algebra.Com's Answer #422852 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
A pendulum swings through an angle of 20 degrees each second. The tip moves 5 inches each second. How long is the pendulum ? State your answer correct to one decimal place.
\n" ); document.write( "---------------
\n" ); document.write( "\"20+degs+=+pi%2F9\" radians
\n" ); document.write( "r = arc/angle = 5/(pi/9) = 45/pi inches
\n" ); document.write( "r =~ 14.3 inches
\n" ); document.write( "
\n" );