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A spring is connected on one end to a wall and the other is free to be compressed. The spring constant is 25 N/cm for the spring. A 2.0 kg mass is pressed against the spring and then released and the entire system is placed on horizontal frictionless surface.
(a) How much is the spring compressed when 15.0 J of energy is stored in the spring?
(b) What is the acceleration when the spring is at 1/2 the maximum compression distance?
(c) What is the maximum speed of the mass?
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