An elastic cord is 69 {\rm cm} long when a weight of 79 {\rm N} hangs from it but is 90 {\rm cm} long when a weight of 170 {\rm N} hangs from it.What is the "spring" constant k of this elastic cord?

1 answer

1. dforce/dx= k
   
   (170-69)/(.9-.69) = k

   Answer ID
   539339

   Created
   April 30, 2011 12:57am UTC

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   https://questions.llc/answers/539339