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A 2 kg mass is hung from a spring and is at rest. You mark the location of the mass. You then hang a 6 kg mass from the same spring and also at rest. The spring stretches by 3 meters farther from the 2 kg case.
1. What is the spring constant of the spring? Write down what is true about each case and relate them.
2. How much is the spring stretches by with the 2 kg mass hanging from it?
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