Question: A horizontal spring resting on a frictionless tabletop is stretched

A horizontal spring, resting on a frictionless tabletop, is stretched 15 cm from its unstretched configuration and a 1.00-kg mass is attached to it. The system is released from rest. A fraction of a second later, the spring finds itself compressed 3.0 cm from its unstretched configuration. How does its final potential energy compare to its initial potential energy? (Give your answer as a ratio, final to initial.)

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  • CreatedAugust 29, 2015
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