Work, Energy and Power

Question: A spring of force constant 10 N/m has an initial stretch 0.20 m. In changing the stretch to 0.25 m, the increase in potential energy is about



1) 0.1 joule
2) 0.2 joule
3) 0.3 joule
4) 0.5 joule
Solution: Explanation: No Explanation
WEP Work Done by Variable Force

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