Can anyone help me solve this problem? although I read the solution but I can not understand…
Stavik
2
They have a mistake at the explanation. The formula for potential energy of a spring is: u = 1/2 kx^2
That must be the reason why the numbers confused you.
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thank you so much
it is so helpful ![:slight_smile: :slight_smile:](https://imat.entermedschool.com/images/emoji/apple/slight_smile.png?v=12)
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