# work and energy(physics)

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A mass m = 12.0 kg rests on a frictionless table and accelerated by a spring with spring constant k = 4597.0 N/m. The floor is frictionless except for a rough patch. For this rough path, the coefficient of friction is μk = 0.49. The mass leaves the spring at a speed v = 3.8 m/s.

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