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A horizontal spring is attached to a wall at one end and a mass at the...

A horizontal spring is attached to a wall at one end and a mass at the other. The mass rests on a frictionless surface. You pull the mass, stretching the spring beyond the equilibrium position a distance A, and release it from rest. The mass then begins to oscillate in simple harmonic motion with amplitude A. During one period, the mass spends part of the time in regions where the magnitude of its displacement from equilibrium is greater than (0.17)A— that is, when its position is between −A and (−0.17)A, and when its position is between (0.17)A and A. What total percentage of the period does the mass lie in these regions?.

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