When a 0.22-kg block is suspended on a vertical spring, it causes it to stretch 3.00 cm. If the block is now pulled 8.20 cm below its equilibrium position and released, what is the speed of the block when it is 4.00 cm below the equilibrium position?

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For vertical equilibrium Fkx mg k mgx 0229810037194Nm Spring potential energy stored whe... View the full answer