YNOTES ASK YOUR TEACHER PRACTICE ANOTHER A light spring of force constant k = 158 N/m rests vertically on the bottom of a large beaker of water (Figure a). A 5.04-kg block of wood (density = 650 kg/m') is connected to the spring, and the block-spring system is allowed to come to static equilibrium (Figure b). What is the elongation AL of the spring? cm T AL k