Asked by leena
An elastic cord is 65 cm long when a weight of 75 N hangs from it but is 85 cm long when a weight of 189 N hangs from it. What is the “spring” constant k of this cord
Answers
Answered by
bobpursley
k=changeinForce/change in length.
k=(189-75)/(85-65) N/cm
k=(189-75)/(85-65) N/cm
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