A spring with a spring constant of 250 J/m² and a normal length of 50 cm is initially extended to a length of 70 cm. Wha

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A spring with a spring constant of 250 J/m² and a normal length of 50 cm is initially extended to a length of 70 cm. Wha

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A Spring With A Spring Constant Of 250 J M And A Normal Length Of 50 Cm Is Initially Extended To A Length Of 70 Cm Wha 1
A Spring With A Spring Constant Of 250 J M And A Normal Length Of 50 Cm Is Initially Extended To A Length Of 70 Cm Wha 1 (15.34 KiB) Viewed 33 times
A spring with a spring constant of 250 J/m² and a normal length of 50 cm is initially extended to a length of 70 cm. What is the change (in J) in the potential energy of this spring if it is then compressed to a length of 20 cm? You may treat this as an isolated system.
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