13. When displaced from equilibrium, the net force exerted by the springs is –2kxacting in a direction so as to return the block to its equilibrium position (x= 0). Since the acceleration22/adxdt=, Newton’s second law yields =2.22mdxdtkx−Substituting x= xmcos(ωt
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.