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(Solved): A puck is sliding on a frictionless, level surface in a circle at constant speed. The required inwa ...
A puck is sliding on a frictionless, level surface in a circle at constant speed. The required inward acceleration is provided by a spring of force constant k and unstretched length L0?. In order to provide the needed force, the spring is stretched a distance ?L. As the puck of mass m goes through a complete circle, how much work does the spring do on it?