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Edited: 08/09/2010 03:47 PM
Picture: John Rowland
John Rowland
Ladder
The diagram shows a ladder slipping down a wall, starting vertical (red) and finishing horizontal (blue) and going through the position shown (grey).   What is the path of the mid-point of the ladder?   What is the path of any point x up the ladder, where x ranges from 0 to 8 in this example?
Edited: 21/05/2013 09:58 AM
Picture: John Rowland
John Rowland