Question:
3 II An elastic cord is 61 cm long when a weight of 75 N
Last updated: 5/12/2023
![3 II An elastic cord is 61 cm long when a weight of 75 N](https://media.kunduz.com/media/sug-question-candidate/20220516231248317162-3610613.jpg?h=512)
3 II An elastic cord is 61 cm long when a weight of 75 N hangs from it but is 85 cm long when a weight of 210 N hangs from it What is the spring constant k of this elastic cord