Concept explainers
Problems 57–58 use the fact that a physical system is in stable equilibrium if the total energy, E, is a
A mass m hanging on the end of a spring extends its length by y. See Figure 4.55. For g, the acceleration due to gravity, and positive constant k, the total energy is
Is there a length that gives a stable equilibrium position for a constant mass m? If so, what is it?
Figure 4.55
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