There is a 3.53 kg box at three points in time. Initial the box is at rest compressed 0.54 meters against a spring with a spring constant of 763 N/m. A. How much elastic potential energy is stored in the spring while it is compressed?  ________Joules B.The spring is realized and we see that the box is moving to the right in time 2. If all of the elastic potential energy got converted to kinetic energy how fast is the box moving at this point in time? __________ m/s

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