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Physics, 18.12.2019 18:31 catcatscats122

Apuck is sliding on a frictionless, level surface in a circle at a 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.
~v
as the puck of mass m goes through a complete circle, how much work does the spring do on it?

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