(Answered) A spring with a spring constant of 983 nm is lying on a

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A spring with a spring constant of 983 N/m is lying on a horizontal, frictionless surface. A mass of 2 kg is pressed into it and compresses the spring 0.28 meters and the mass is held still. The mass is then released. When it leaves the spring, how fast is the mass moving in m/s?

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