Question of the Day

13. A force of 4 N is used to push a large 1 kg jack-in-the-box into its box, which compresses a spring, a total length of 100 cm, what is the maximum speed of the jack-in-the-box once it pops out?

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A. 4 m/s B. 1 m/s C. 0 m/s D. 2 m/s E. 1.5 m/s