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Topic:  Does step size really equal speed? 
Related Item:  http://mathforum.org/mathtools/tool/13171/ 
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Subject:  RE: Does step size really equal speed? 
Author:  She 
Date:  Apr 20 2007 
could take 30 steps per minute and runner B could take 60 steps per minute but
runner A (with very long legs) could have a stride length that is twice that of
shortlegged runner B and thus they would end up at the same place at the end
of 1 minute. There are a lot of variables to account for here once you also
take into account the distance run and how many of the 1 minute intervals were
run. As stated in other posts, the applet simplifies this considerably by taking
out the variable of frequency.
When I first looked at this applet, I took it at face value and answered the
questions. I applaud the critical thinkers who looked at this at a higher
level. It is a skill all of our students can benefit from.
Sheila
workshop 2 participant
 
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