Question: A spring of negligible mass has force constant k = 1600 N/m. (a) How far must the spring be compressed for 3.20 J of potential

A spring of negligible mass has force constant k = 1600 N/m.
(a) How far must the spring be compressed for 3.20 J of potential energy to be stored in it?
(b) You place the spring vertically with one end on the floor. You then drop a 1.20-kg book onto it from a height of 0.80 m above the top of the spring. Find the maximum distance the spring will be compressed.

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